Headsets and headphones / Compare

Sennheiser MOMENTUM 4 Wireless vs Sony WH-CH720N

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Product A: Sennheiser

MOMENTUM 4 Wireless

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B

Product B: Sony

WH-CH720N

95 of 161 known

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Only differences

ASennheiser MOMENTUM 4 Wireless

BSony WH-CH720N

General

4 of 8 differ

Series

MOMENTUM2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026

CH15Maker product pagesony.co.uk/electronics/support/articles/00295193Read 7 October 2026Manufacturer service article labels the WH-CH series and specifically names WH-CH720N in installation instructions. Stored as the family name CH, as for the sibling WH-CH730N.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

M4AEBT, 800107, 800074, 700383, 800073, 509267, 800109, 8001081Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 20263Maker product pageus.sennheiser-hearing.com/products/momentum-4-wireless.jsRead 5 October 2026Commercial SKU identifiers from public current maker data joined to exact colors/GTIN rows. Regulatory model M4AEBT independently established by manual cover.4Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Exact regulatory model M4AEBT is printed on the current manual cover. Commercial SKU identifiers sit in the exact sold-configuration rows.

YY29661Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Guide cover explicitly identifies the regulatory model.

GTIN / EAN

810091270431, 810091274095, 810091272626, 810091274088, 810091270455, 810091274323, 8100912743163Maker product pageus.sennheiser-hearing.com/products/momentum-4-wireless.jsRead 5 October 2026Each barcode joined to exact SKU and color in variants. Black current SKU 800107 differs from stale product specification Black 509266. Barcode 810091270431 matches current Black. Current SKU used without claiming another hardware generation.

02724292539726Retailer pageabt.com/Sony-Black-Wireless-Noise-Canceling-Over-Ear-Headphones-WHCH720NB/p/190323.htmlRead 7 October 2026Exact US Black identity header Model WHCH720N/B, UPC 027242925397. Independently reopened for verification. Current Micro Center view did not expose UPC, so source mapping uses this directly readable identity table. Code not applied to other colours.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

9 August 20226Press releasecdn.uc.assets.prezly.com/ba6f235a-b675-4ed2-bacf-090e7ac559bd/-/inline/no/press-releasesennheiser-momentum-4-wireless.pdfRead 5 October 2026Exact manufacturer US launch PDF, dated August 9, 2022. Four pages opened.

21 February 20234Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Dated manufacturer release.

Status

Available2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026

Available11Maker product pageelectronics.sony.com/audio/headphones/headband/p/whch720n-bRead 7 October 2026Maker US store offers exact original black WH-CH720N/B with Add to Cart and October 8-9 delivery on access date. A new successor does not establish discontinuation.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Sennheiser MOMENTUM 5 Wireless10Reviewsoundguys.com/sennheiser-momentum-5-wireless-131570Read 23 October 2026SoundGuys's launch article calls the MOMENTUM 4 the previous model of the MOMENTUM 5 Wireless.

Sony WH-CH730N14Reviewwhathifi.com/headphones/sony-wh-ch730nRead 7 October 2026October 2, 2026 successor review explicitly names WH-CH730N as successor to CH720N. Matching product exists in catalogue. New battery/runtime/EQ facts are not inherited.

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$349.956Press releasecdn.uc.assets.prezly.com/ba6f235a-b675-4ed2-bacf-090e7ac559bd/-/inline/no/press-releasesennheiser-momentum-4-wireless.pdfRead 5 October 2026Page 4 MSRP 349.95 USD, 459.95 CAD. Only USD retained, before applicable local sales tax. Planned sale August 23 is separately corroborated by retrospective actual release source. Euro launch 349.90 has unproven VAT scope and is omitted.

$149.9912Press releaseprnewswire.com/news-releases/sony-electronics-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphones-featuring-sonys-digital-sound-equipment-engine-301751145.htmlRead 7 October 2026Original February 21, 2023 Sony Electronics release explicitly states US MSRP USD 149.99. Current USD 179.99 generated store FAQ and later review USD 129 recollection do not replace original launch MSRP.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US6Press releasecdn.uc.assets.prezly.com/ba6f235a-b675-4ed2-bacf-090e7ac559bd/-/inline/no/press-releasesennheiser-momentum-4-wireless.pdfRead 5 October 2026

US12Press releaseprnewswire.com/news-releases/sony-electronics-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphones-featuring-sonys-digital-sound-equipment-engine-301751145.htmlRead 7 October 2026Sony Electronics US launch explicitly names Sony Electronics, Amazon, Best Buy and authorized retailers. Documented US availability, not an exhaustive global-market list.

ColoursiThe maker's own colour names

Black, Brown, Graphite, Teal, White, Denim, Copper3Maker product pageus.sennheiser-hearing.com/products/momentum-4-wireless.jsRead 5 October 2026Public official product data currently lists seven sold color configurations. Related M5 colors and accessories excluded.

Black, Blue, White, Pink4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Launch color names black, blue and white. Current pink option is not assumed to be an original launch color.9Press releasesony.co.uk/presscentre/sony-announces-the-wf-c710n-truly-wireless-noise-cancelling-earbuds-and-adds-new-colours-to-the-wh-ch720n-and-wh-ch520-wireless-headphone-rangesRead 5 October 2026March 25, 2025 maker release adds Pink to existing Black, Blue and White WH-CH720N. This is a color addition, not another headset or the original launch date.

Segment

Music1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Music4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Introduction music-listening headphones.

Design

0 of 7 differ

Form factor

Over-ear1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Over-ear4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Introduction explicitly over-ear.

Ear cup enclosureiClosed, open or semi-open acoustic enclosure. This does not describe how the headset folds.

Closed1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Closed3Maker product pagesony.jp/headphone/products/WH-CH720N/spec.htmlRead 5 October 2026Headphone unit type: closed dynamic.

Wearing style

Headband1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Headband1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Parts and controls, pages 10-11, labels headband and left/right units.

FoldingiFlat means the ear cups rotate flat. Inward means the ear cups fold toward the headband.

Flat6Press releasecdn.uc.assets.prezly.com/ba6f235a-b675-4ed2-bacf-090e7ac559bd/-/inline/no/press-releasesennheiser-momentum-4-wireless.pdfRead 5 October 2026US manufacturer launch PDF Design section expressly fold-flat design. Current manual page 34 case diagram corroborates flat rotated earcups.

Flat7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Same section rotation and wearing photos establish flat swivel only, not inward collapse.

Swivelling ear cupsiEar cups can rotate relative to the headband. Tilting alone does not count.

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Current manual page 34 storage diagram and exact maker fold-flat claim show each cup rotated flat without an inward-folded headband. No separate folding hinge asserted.

Yes7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Usage section: cups rotate, headphones do not fold inward.

RGB lighting

Not available

Not available

Lighting zonesiNumber of independently controllable lighting areas across both ear cups.

Not available

Not available

Drivers and sound

11 of 20 differ

Driver type

Dynamic1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Dynamic3Maker product pagesony.jp/headphone/products/WH-CH720N/spec.htmlRead 5 October 2026Headphone unit type: closed dynamic.

Driver sizeiDiameter of the largest sound driver. Do not use the microphone capsule diameter.

42mm1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

30mm3Maker product pagesony.jp/headphone/products/WH-CH720N/spec.htmlRead 5 October 2026Driver unit 30 mm.

Drivers per sideiNumber of sound-producing transducers in one side, excluding microphones.

Not available

116Review52audio.com/archives/166923.htmlRead 7 October 2026Exact model full teardown reports a 30 mm driver unit in each earcup. Microphones are separate components.

Diaphragm material

Not available

Not available

Magnet

Not available

Neodymium17Retailer pageweybridge-audio.co.uk/products/sony-whch720nRead 7 October 2026Exact model General Features table publishes magnet Neodymium. Maker publishes only Dynamic 30 mm. Retailer touch-sensor volume row contradicts maker buttons and is not adopted.

Frequency response (wired or passive)iPublished acoustic range for wired listening, or the maker’s single range when no mode is distinguished. Power state and test standard belong in the source note.

Min6 HzMax22 kHz1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 39 headphone range 6 Hz-22 kHz at -10 dB, not microphone or Bluetooth transmission bandwidth.

Min7 HzMax20 kHz2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 128: JEITA 7 Hz to 20 kHz, cable with power on. Not independently measured or separately passive.

Wireless audio transmission bandiFrequency range of audio transmitted over the wireless connection, not the acoustic response of the driver. Codec, sampling rate and bitrate conditions belong in the source note. When the maker gives a range per codec, the widest range is stored and its codec goes in the source note.

Not available

Min20 HzMax20 kHz1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Specifications: A2DP transmission range at 44.1 kHz sampling. This is not acoustic driver response.

Impedance (passive when specified)iUse the headset-off value for a passive analog connection when the maker publishes both powered and passive values. Note the power state and test frequency.

60Ω2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026Exact specification gives active 470 ohms and passive 60 ohms. Passive value 60 retained by schema rule. Active 470 is not substituted.

31Ω2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 128: 31 ohms at 1 kHz with headset off. Powered 325 ohms is not stored as passive impedance.

Sensitivity (passive when specified)iUse the headset-off figure when both powered and passive values exist. The power or voltage reference, test distance and frequency belong in the source note.

106dB1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 39 gives 106 dB SPL at 1 kHz / 0 dBFS. This is not 1 mW or 1 V sensitivity, so sensitivity_reference omitted.

99dB2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 128: 99 dB/mW with headset off. Powered 108 dB/mW is separate.

Sensitivity referenceiPublished power or voltage reference for sensitivity. Do not assume 1 mW when the source gives only a dB value.

Not available

Per 1 mW2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 128 dB/mW explicit.

THD (claimed)iPublished distortion figure or numerical upper bound. The source note states any less-than sign and test level.

0.3%1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 39 less than 0.3%, 1 kHz / 100 dB SPL. Stored 0.3 is the stated bound, not measured distortion.

Not available

Max input power

Not available

Not available

Max digital audio sample rateiHighest supported digital audio sample rate over a USB cable or wireless dongle. This is not the microphone rate or acoustic frequency response.

Not available

Not available

Max digital audio bit depthiHighest published digital playback bit depth over a USB cable or wireless dongle.

Not available

Not available

DAC

Not available

Not available

Personalised soundiA manufacturer-supported hearing test or ear scan creates a device sound profile tailored to the listener. Generic equalizer adjustments do not count.

Not available

Not available

Onboard EQiCustom playback EQ profiles stored in the headset and applied without the host app running. Note supported active connections. Receiver-only or software-only EQ does not count.

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 31 explicitly says sound effects are stored in headphones and active without Smart Control on another Bluetooth device.

Not available

Custom EQ bandsiNumber of bands in the custom playback equalizer. Microphone EQ bands are excluded.

52Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026Current exact comparison column states 5-band EQ plus personalization. Original launch app had fewer bands, so current count is not asserted as launch configuration.

518Reviewstereoguide.com/headphones/noise-cancelling-en/sony-wh-ch720n-with-anc-reviewRead 7 October 2026Exact app review identifies five frequency-band controls and a separate Clear Bass control. Clear Bass is not counted as a sixth frequency band.

EQ presets

Bass boost1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Bright, Excited, Mellow, Relaxed, Vocal, Treble Boost, Bass Boost, Speech19Reviewnotebookspec.com/web/829372-review-sony-wh-ch720nRead 7 October 2026Exact WH-CH720N Sound Connect review lists these eight factory presets, followed separately by Manual, Custom 1 and Custom 2. Off and custom slots are not factory tunings. No INZONE Game/Heavy profiles borrowed from generic app article.

Volume limit

Not available

Not available

Spatial audio

2 of 3 differ

Spatial audio supportiNamed headset or host spatial-audio systems that the maker or reviewer explicitly supports. A platform feature may require compatible hardware, software or a separate licence.

Not available

360 Reality Audio2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Pages 98-99 app 360 Reality Audio setup. Supported service/app required, not bundled paid licence.

Spatial audio licence includediA paid spatial-audio licence is bundled or embedded. Compatibility with a separately purchased app does not count.

Not available

Not available

Head tracking

Not available

No21Owner's manualhelpguide.sony.net/mdr/hpc/v1/en/contents/TP0001548861.htmlRead 7 October 2026Exact WH-CH720N compatibility row marks Spatial Sound and Head Tracking unavailable. Table dated September 2024 and current maker page still serves it. Latest model 1.1.4 firmware changelog checked, no head-tracking addition documented. 360 Reality Audio setup remains separate.

Noise cancelling

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Active noise cancelling

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Yes4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Dual Noise Sensor and Integrated Processor V1 section.

ANC typeiFeedforward uses outside microphones. Feedback uses inside microphones. Hybrid uses both. Voice-call noise filtering is separate.

Hybrid1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Hybrid16Review52audio.com/archives/166923.htmlRead 7 October 2026Both earcups have an internal feedback microphone and external feedforward microphone, expressly identified in teardown. This establishes hybrid ANC, rather than inferring type from a marketing chip name.

ANC microphonesiTotal microphones used for active playback noise cancellation across both sides. Do not substitute the total physical or voice microphone count.

41Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 7 explicitly two outward and two inward ANC microphones, total 4. It does not imply 8 speech microphones.

44Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Two microphones per earcup used to capture ambient sound for cancellation, four total. Voice count is not inferred.

Adaptive ANCiNoise cancellation automatically changes with the environment or fit. Manually choosing a level does not count.

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 26 app Adaptive switch automatically adjusts reduction to noise conditions. Manual excludes Transparency Mode during calls.

Yes1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 98: automatic adjustment of noise canceling by behavior recognition, Adaptive Sound Control.

ANC levelsiNumber of adjustable cancellation strength steps. Off and transparency modes are excluded.

Not available

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Yes4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026App-adjustable ambient sound 20 levels.

Adjustable transparency

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Yes4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 202620 ambient steps are transparency levels, not 20 ANC levels.

Conversation detectioniAudio pauses or lowers automatically when the wearer speaks. Voice assistant activation does not count.

Not available

No20Maker spec sheet (PDF)sony.com.my/microsite/catalogue/FY25/Sony-Headphones-Lineups.pdfRead 7 October 2026Same exact chart Speak-to-Chat No. No voice-assistant trigger treated as conversation pause.

Wind noise reduction

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 26 Off/Auto/Max wind-noise reduction settings. No numeric attenuation claim inferred.

Yes4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Voice quality section describes wind-noise structure around call microphones.

Measured

4 of 21 differ

Frequency response notesiMeasured by a reviewer, not claimed by the maker

The lab response has a small sub-bass boost and some emphasized highs against the SoundGuys headphone preference curve. The reviewer describes good overall agreement and clear speech detail.5Reviewsoundguys.com/sennheiser-momentum-4-wireless-review-2-86111Read 5 October 2026SoundGuys lab measurement and reviewer discussion, not the maker 6-22 kHz frequency range. No qualitative chart peak converted to dB.

The active response emphasizes bass and upper frequencies relative to the source target. Passive wired playback lowers treble and raises lows and mids.7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Active/passive response comparison and source measurement-target discussion. No numerical error or THD inferred.

Bass amountiReviewer’s bass deviation from its stated target. Positive is more bass. Target and test method belong in the source note.

Not available

Not available

Treble amountiReviewer’s treble deviation from its stated target. Positive is more treble. Target and test method belong in the source note.

Not available

Not available

Deviation from targetiReviewer’s full-range error from its target curve. Do not substitute a regional bass or treble error.

Not available

Not available

Consistency between fittingsiReviewer’s standard deviation across repeated fittings. Test rig and fitting procedure belong in the source note.

Not available

Not available

Harmonic distortioniIndependently measured harmonic distortion, with test level and method in the source note.

Not available

Not available

Sound leakageiIndependently measured leakage at 30 cm. Playback level and method belong in the source note.

Not available

Not available

Measured noise isolationiIndependently measured attenuation. Positive values mean more noise reduction. ANC state, rig and frequency bands belong in the source note.

Not available

Not available

Noise isolation (measured, best)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Passive isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic quality notesiMeasured by a reviewer, not claimed by the maker

Recorded speech samples show usable voice quality. Background-noise rejection remains a limitation. Samples cover ideal, office, street, wind and reverberant conditions.5Reviewsoundguys.com/sennheiser-momentum-4-wireless-review-2-86111Read 5 October 2026Multiple tested units, latest stated firmware 2.13.35/app 4.9.1. The article does not date every speech recording or identify codec. These remain unknown.

Recorded speech remains intelligible with office and wind noise, with some keyboard noise audible.7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Source automated speech demos in ideal, office and wind conditions, no numeric SNR inferred.

Mic low-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extensioniMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic speech-to-noise ratioiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured latencyiEnd-to-end latency measured by a reviewer for a specific connection, platform and codec. Firmware, method and operating mode belong in the source note.

Not available

Not available

Bluetooth latency (measured, worst)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

2.4 GHz latency (measured, worst)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured battery lifeiReviewer’s continuous playback test. State the connection, ANC and lighting where known. Unknown settings stay omitted and are described in the source note.

ASennheiser MOMENTUM 4 Wireless

Connection	ANC	Hours (h)
Bluetooth	Yes	56.35

Source5Reviewsoundguys.com/sennheiser-momentum-4-wireless-review-2-86111Read 5 October 2026Continuous music peaking 75 dB SPL, ANC on, 56 h 21 min. Codec and test-specific firmware not published. Article reviewed multiple units and names latest firmware 2.13.35/app 4.9.1, but it does not assign that firmware to this battery sample. No latest-firmware assumption.

BSony WH-CH720N

Connection	ANC	Hours (h)
Bluetooth	Yes	40.18

Source7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Purchased exact CH720N unit tested over 10 days with Headphones Connect 10.1.0. Continuous Bluetooth playback ANC on 40 h 11 min. Standard linked method /how-we-test/ peaks music at 75 dB SPL. Codec and firmware unspecified, lighting omitted. Higher than maker 35 h under different documented method.

Battery life (measured, max)iMeasured by a reviewer, not claimed by the maker

56.35h=CalculatedFrom Measured battery life

40.18h=CalculatedFrom Measured battery life

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Weight (measured)iIndependently weighed headset. A review that repeats the maker’s number does not qualify. Cable and microphone inclusion belong in the source note.

Not available

Not available

Microphone

8 of 16 differ

MicrophoneiMain microphone used for speech. Secondary internal microphones may be described in the source note.

Built-in1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Built-in1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Parts and controls, pages 10-11, identifies integrated voice/call microphone.

Microphone element

MEMS1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Not available

Microphone pickup patterniUse the maker’s exact named pattern. Unidirectional does not establish whether the capsule is cardioid, supercardioid or hypercardioid.

Omnidirectional1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Not available

Voice microphonesiTotal microphones used for voice pickup or beamforming across both sides. ANC-only microphones are excluded.

41Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Pages 6/39 explicitly four speech microphones as two 2-mic beamforming arrays. ANC-only mics are separately counted.

222Reviewph.my-best.com/products/1514566Read 7 October 2026Published voice pickup description explicitly counts two: one dedicated call pickup microphone plus one shared feedforward microphone. Sony exact model calls diagram likewise identifies Feedforward mic and Mic for call. Not total ANC mic count or five physical microphones.

Total microphonesiEvery physical microphone across the headset, including call, ANC and calibration microphones. Shared microphones count once. Excludes microphones in charging cases or receivers, and vibration sensors. Use an explicitly published physical total, never a sum of overlapping role counts.

Not available

Not available

Mic frequency responseiAcoustic microphone response, not its digital sampling rate. Connection-specific ranges belong in the source note.

Min80Max8,000Hz1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Latest manual page 39 gives 80 Hz-8 kHz at -3 dB. Current product page says 50 Hz-10 kHz, so newer exact manual is preferred and conflict recorded.

Not available

Mic sensitivityiPublished microphone sensitivity. Reference such as dBV/Pa or dBFS, frequency and distance belong in the source note.

Not available

Not available

Mic signal-to-noiseiPublished microphone signal-to-noise ratio. Minimum or typical conditions belong in the source note.

Not available

Not available

Mic sample rateiExplicitly published digital microphone capture or speech sampling rate. State the audio route in the source note, or say it is unpublished. Internal capture does not prove the effective rate on every connection. Acoustic bandwidth, playback rate and generic microphone-chip capability do not qualify.

Not available

Not available

Mic noise reductioniProcessing that removes noise from transmitted speech. Playback ANC and a directional microphone alone do not count.

DSP2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026

Not available

Flip to mute

Not available

Not available

Mute button

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 28 multifunction button toggles call microphone mute. Page 30 also explains sensor mute after taking off.

Not available

Mute indicatoriPublished indication of microphone mute. mechanical_marker is a visible physical marker showing the microphone's mute-switch position. LED options require an electronic light. The in-line controller option is for a mute light on a cable remote.

Voice prompt1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 28 explicitly audible Mute on/Mute off voice prompts.

Not available

Sidetone

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Yes2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Pages 81 and 83 call chapters: own voice heard through headset mic.

Adjustable sidetone

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 29 Sidetone enabled/disabled and intensity slider.

Not available

Foam microphone windscreeniA foam cover for the voice microphone. An internal metal mesh pop filter does not count.

Not available

Not available

Connectivity

8 of 20 differ

Audio connectionsiConnections that carry playback audio. Charging or firmware USB alone does not count as USB audio.

Analog, USB, Bluetooth1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Pages 26/32/33 explicitly Bluetooth, analog and USB playback. USB-C port carries audio, microphone and power.

Analog, Bluetooth1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Bluetooth setup chapters for Android, iPhone, Windows and Mac. Analog playback added separately only where the guide proves it.2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 65 cable playback and Bluetooth connection chapters.

Analog source plugsiAnalog plug(s) supplied for the source device, including adapters. The headset-side jack is listed separately.

3.5 mm TRS1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026SoundGuys exact TRS cable corroborates manual 3.5 mm source plug and 2.5 mm headset plug.

3.5 mm TRS3Maker product pagesony.jp/headphone/products/WH-CH720N/spec.htmlRead 5 October 2026Gold-plated L-shaped stereo mini plug. The supplied cable is audio-only, manual 65 confirms phone mic for calls.

Cable connector on headsetiConnection used by the playback cable at the headset. A fixed cable is not replaceable through a headset jack.

2.5 mm1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

3.5 mm2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 65 connection diagram and input jack.

Longest included cableiLength of the longest supplied cable, including charging and dongle cables. Individual cable lengths are listed in Cables included.

1.2m8Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 8 October 2026Package contents printed page 5: both supplied USB-C to USB-A cable and 2.5 mm to 3.5 mm analog cable are approximately 1.2 m. Longest supplied cable, not an optional longer accessory.

1.2m2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 9 package contents: 1.2 m headphone cable and 0.2 m USB charging cable.

Headset USB plug or portiUSB plug or port on the headset or its included wired audio adapter. A charging-only USB port can appear here.

USB-C1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

USB-C1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Parts and controls, pages 10-11, USB Type-C charging port.

Audio over USB-C cableiPlayback through a USB-C cable or included wired USB-C audio adapter. A charging-only USB-C port does not count.

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

No1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Charging, pages 16-17: music playback and Bluetooth operations cannot be performed while connected to USB power. The USB port is for charging.

Passive wired listeningiAnalog playback works with the headset powered off or its battery empty. An active analog converter that needs headset power does not count.

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 32 explicitly analog listening when the headphone battery is empty. Music/call/assistant controls disabled, ANC requires charged battery.

Yes2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 65 explicitly allows playback with headset off. Cable calls use the phone microphone.

Wireless receiveriDedicated wireless audio receiver or dongle. A wired USB sound card does not count.

Not available

Not available

Wireless receiver connectoriPhysical USB connector on the receiver. Supplied extension cables and adapters are explained in the source note. Both means two native connector types.

Not available

Not available

Wireless range (claimed)iMaker’s advertised wireless range. Connection and indoor or outdoor conditions belong in the source note. Measured distance is not stored here.

Not available

10m1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Specifications: approximate 10 m line-of-sight. Obstacles and host conditions affect range.

Bluetooth

5.21Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

5.21Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Specifications chapter, communication system: Bluetooth 5.2.

Bluetooth codecsiNamed Bluetooth audio codecs supported by this exact model. Host, firmware and operating-mode restrictions belong in the source note.

SBC, AAC, aptX, aptX Adaptive1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Printed page 39 lists aptX Adaptive, AAC and SBC. Current August 2026 maker specification separately confirms classic aptX, included from that exact table. Bluetooth Low Energy device name does not prove LE Audio.9Maker product pagesupport.sennheiser-hearing.com/hc/en-at/articles/37791406604189-MOMENTUM-4-Wireless-SpecificationsRead 8 October 2026Current exact MOMENTUM 4 table updated August 8, 2026 expressly lists SBC, AAC, aptX and aptX Adaptive. It identifies the Black 509266 and other exact finish SKUs. Older manual omits classic aptX. Current explicit maker specification supports it without implying aptX HD, aptX Lossless or a firmware version.

SBC, AAC1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Specifications chapter: exact supported A2DP codecs, not Bluetooth version capabilities.

LE AudioiLE Audio playback support. Bluetooth Low Energy for app control alone does not count.

Not available

No20Maker spec sheet (PDF)sony.com.my/microsite/catalogue/FY25/Sony-Headphones-Lineups.pdfRead 7 October 2026Maker headband comparison chart page 13 explicitly gives LE Audio No in WH-CH720N column. Not inferred from Bluetooth 5.2 or missing LC3.

AuracastiAuracast broadcast audio support. Required phone, firmware and app conditions belong in the source note.

Not available

Not available

Bluetooth multipointiCan remain connected to multiple Bluetooth source devices at once. Mixing Bluetooth with a proprietary dongle is a separate field. A maker's dual connection to two Bluetooth devices at once counts.

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Yes1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Connecting the headset to 2 devices simultaneously chapter. Streams switch, rather than mix.

Multipoint devicesiNumber of Bluetooth source devices connected at once, not the number remembered for later pairing.

21Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

21Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Connecting the headset to 2 devices simultaneously chapter, two Bluetooth source devices.

Paired devices remembered

68Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 8 October 2026Bluetooth connection section printed page 16: six saved profiles, two active connections. A seventh pairing overwrites the least-used stored profile. One audio source plays at a time.

81Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Android pairing, page 27: up to eight paired devices. The oldest registration is replaced when another is paired.

Mixes 2.4 GHz and Bluetooth audioiPlays both wireless audio streams at the same time. Automatic switching or Bluetooth standby does not count.

Not available

Not available

Fast pairing

Not available

Google Fast Pair, Microsoft Swift Pair4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Both models: Swift Pair and Fast Pair.

Base station

Not available

Not available

Latency

1 of 2 differ

Low latency modeiA selectable mode intended to reduce audio delay. A low-latency connection without a distinct mode does not count.

Not available

No19Reviewnotebookspec.com/web/829372-review-sony-wh-ch720nRead 7 October 2026Review explicitly says Bluetooth operation has no Gaming mode for reducing latency. Analog wired playback is not a selectable low-latency mode.

Claimed latencyiMaker’s claimed delay for the stated connection and mode. Minimum claims and host restrictions belong in the source note.

Not available

Not available

Compatibility

2 of 3 differ

Compatible platformsiPlatforms with a documented audio path. This does not imply every connection or microphone function works. Platform editions must be checked individually.

Windows, macOS, Android, iOS1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Android, iOS, Windows, macOS1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Individual Bluetooth setup chapters explicitly name Android, iPhone, Windows and Mac. No console path inferred.

Connection per platformiOnly explicitly documented playback paths for the exact model. Microphone support is separate. Leave unknown microphone support omitted. An Xbox and a PlayStation edition of one headset can connect differently, so it is per variant.

ASennheiser MOMENTUM 4 Wireless

Platform	Connection	Microphone works
Windows	USB	Yes
macOS	USB	Yes
Windows	Bluetooth	Yes
macOS	Bluetooth	Yes
iOS	Bluetooth	Not available
Android	Bluetooth	Not available

Source1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 33 USB playback and microphone recording for PC/Mac/mobile device. Page 27 explicitly PC/Mac Bluetooth calling. Page 29 mobile assistant Siri/Google Assistant plus maker iPhone battery test establishes iOS/Android Bluetooth playback. Unknown mobile call path remains omitted.

BSony WH-CH720N

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes
Windows	Bluetooth	Yes
macOS	Bluetooth	Yes

Source24Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 7 October 2026Exact guide individual Android/iPhone/Windows/Mac Bluetooth chapters, phone call chapters and page 86 Making a video call on your computer. Requires HFP/HSP calling path and compatible app. Page 86 expressly links Windows 11, Windows 10 and Mac connection chapters. A2DP-only mode is not a microphone path. No unsupported console or analog mic row.

Official licence

Not available

Not available

Battery and charging

11 of 13 differ

Battery capacityiRated capacity of one headset battery. Do not use case, receiver or total multi-battery capacity.

700mAh1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 39 one built-in 3.7 V, 700 mAh, 2.59 Wh pack. Capacity and energy agree. No headset Wh field is available.

520mAh16Review52audio.com/archives/166923.htmlRead 7 October 2026Teardown reads manufacturer label on installed right-ear battery pack model 722428: rated 520 mAh, 2.0 Wh, nominal 3.85 V. Label capacity, not independently measured discharge capacity.

Swappable batteryiBattery can be exchanged by the user as part of normal operation. Service or recycling disassembly does not count.

No1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 36 built-in battery faults are repaired through Sonova service. It is not a normal removable or hot-swap pack.

Not available

Batteries includediNumber of headset batteries supplied, including the one already installed.

Not available

116Review52audio.com/archives/166923.htmlRead 7 October 2026Complete headset teardown locates its single battery pack in the right earcup and main board in the left. Included internal pack counted once, not ANC microphones or cells.

Claimed battery lifeiMaker’s maximum playback time per stated connection, codec, ANC, spatial audio and lighting settings. Name the spatial processing mode and other conditions in the source note. Unknown settings stay omitted.

ASennheiser MOMENTUM 4 Wireless

Connection	ANC	Hours (h)
Bluetooth	Yes	60

Source1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 39 up to 60 h music playback via Bluetooth with ANC on. Current maker page specifies iPhone, mid-volume, codec unspecified.

BSony WH-CH720N

Connection	ANC	Hours (h)
Bluetooth	Yes	35
Bluetooth	No	50
Analog	Yes	35
Analog	No	50

Source2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 18 visually checked: both AAC and SBC have Bluetooth 35 h ANC on, 50 h ANC/ambient off. Powered cable rows likewise 35/50 h. EQ, DSEE and voice-wake features shorten runtime, page 19. Calling and ambient-mode runtimes are not mixed into these rows.

Battery life (claimed, max)

60h=CalculatedFrom Claimed battery life

50h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

60h=CalculatedFrom Claimed battery life

35h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

Not available

50h=CalculatedFrom Claimed battery life

Charging port

USB-C1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

USB-C1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Charging, pages 16-17: supplied USB-A to USB-C cable.

Full charge timeiPublished time to fully charge a depleted headset. In-use charging can take longer.

120min1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 13 explicitly complete charging cycle approximately 2 h. Page 39 repeats 2 h. Ambient temperature and power source can change it.

210min1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Charging, pages 16-17: approximate time explicitly defined as empty battery to full capacity. Hours converted to minutes.

Quick charge timeiCharge duration in the maker’s quick-charge claim. Read together with Quick charge playback.

5min2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026

3min2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 18: 3 minutes charging.

Quick charge playbackiPlayback gained from Quick charge time. Charger power, codec, volume and ANC conditions belong in the source note.

4h2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026Exact specifications states 5 min up to 4 h. Separate marketing section says 10 min / 6 h, a different charge duration. The matched 5 min / 4 h pair is kept.

1h2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 18: about 60 minutes music after 3 minutes charging. No ANC or codec condition specified.

Use while charging

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 13 explicitly permits music and phone calls during charging, possibly extending charge time.

No1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Charging, pages 16-17: connecting USB power turns the headset off and prevents music playback. Passive cable use is not claimed here.

Charging dock or stand

Not available

Not available

Controls

5 of 6 differ

Controls

Buttons, Touch1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Buttons2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Pages 10-11: volume, playback/call, power and NC/AMB buttons.

Volume control

Touch1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Buttons2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Pages 10-11 volume up/down buttons, Bluetooth mode. Page 65 says cable volume must be controlled on source.

Game and chat mixiBalances separate game and chat audio streams. Mixing Bluetooth and dongle source volume alone does not count. Supported platforms belong in the source note.

Not available

Not available

Remappable controlsiOn-device button, touch or dial functions can be reassigned. Changing EQ alone does not count.

Not available

No7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Control section explicitly says controls cannot be changed in app.

Wear detection

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

No20Maker spec sheet (PDF)sony.com.my/microsite/catalogue/FY25/Sony-Headphones-Lineups.pdfRead 7 October 2026Same exact chart Wearing Detection No. Corroborates own-model app compatibility row.

Voice assistant

Siri, Google Assistant1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 29 host assistant activated by button over Bluetooth or USB, example Siri/Google Assistant depending on mobile system/app. No built-in always-listening assistant assumed.

Google Assistant, Amazon Alexa, Google app, Siri1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Guide voice chapters include Google Assistant, Alexa, Google app and Siri. Pages 94-97: Google app/Siri via held play/call button when not assigned Google Assistant or Alexa, Android/iPhone respectively. No Hey Siri wake phrase. Google Assistant headphone integration is Android-only as maker support says.4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Footnote 2: wake phrase Ok Google or Alexa. Availability depends on platform and current service.

Comfort and build

5 of 11 differ

Headband type

Padded1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Padded23Reviewouteraudio.com/sony-wh-ch720n-reviewRead 7 October 2026Purchased exact model review expressly describes headband padding, distinct from ear pad cushioning. Does not infer metal or plastic frame material.

Headband material

Plastic5Reviewsoundguys.com/sennheiser-momentum-4-wireless-review-2-86111Read 5 October 2026Use section explicitly describes a plastic band replacing the predecessor metal band. Not mapped to earcup shell material.

Not available

Frame material

Not available

Not available

Ear cup material

Not available

Plastic7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Usage section calls housings plastic. Not extrapolated to driver diaphragm.

Ear pad material

Leatherette5Reviewsoundguys.com/sennheiser-momentum-4-wireless-review-2-86111Read 5 October 2026Use section explicitly soft leatherette padding.

Synthetic leather and urethane4Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Comfort section explicitly synthetic leather and urethane materials with ear-pad structure.

Replaceable ear pads

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Yes15Maker product pagesony.co.uk/electronics/support/articles/00295193Read 7 October 2026Maker provides customer removal and replacement installation instructions specifically for WH-CH720N. Not merely a teardown possibility.

Ear pad attachmentiHow a replacement ear pad attaches to the ear cup, not how the decorative outer cover attaches. A press-fit or snap-on pad counts as clip.

Clip1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 35 removal with fastening ring and new pad clicks into earcup.

Not available

Ear pad openingiUsable opening inside an ear pad, excluding the outer cushion. Depth is the internal space between pad surface and driver cover.

Width35Height60mm(1.4 × 2.4 in)5Reviewsoundguys.com/sennheiser-momentum-4-wireless-review-2-86111Read 5 October 2026Exact model metadata Inside earcup 60 x 35 mm, matching vertical oval in photos. Height 60, width 35. Depth unknown.

Width40Height66mm(1.6 × 2.6 in)7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Usage section explicitly 66 mm by 40 mm of space to accommodate ears. Vertical 66, horizontal 40. Depth unknown.

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

Ear pads1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Ear pads15Maker product pagesony.co.uk/electronics/support/articles/00295193Read 7 October 2026Only exact parts covered by maker user replacement guide. Battery service disassembly is not treated as normal battery swapping.

Software

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Companion app

Sennheiser Smart Control Plus2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026Current page names Smart Control Plus, while the 2025 manual still says Smart Control. Existing product remains supported.

Sony | Sound Connect1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026App chapter page 98. Headphones Connect was renamed Sound Connect in October 2024, as shown on the current guide landing page or maker product page.8Maker product pagesony.com/electronics/support/wireless-headphones-bluetooth-headphones/wh-ch720nRead 5 October 2026Current exact-model support Downloads explicitly lists Sony | Sound Connect. Former name Headphones Connect remains in original guide.

App platforms

Android, iOS1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 19 explicitly Apple App Store and Google Play downloads.

Android, iOS1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Installing the app chapter: Google Play and Apple App Store smartphone apps.

User firmware updates

Yes1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026

Yes1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026App capabilities page 98: update headset software.

Dimensions and weight

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Headset weightiPublished headset mass without detachable cable or microphone when stated. A fixed cable remains included. Any unqualified maker weight is identified in the source note.

293g(10.3 oz)1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Page 39 maker approximate 293 g whole headset. No review metadata treated as a scale test.

192g(6.8 oz)1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Specifications: approximate published mass. Detachable cable inclusion is not stated in this guide.

Headset dimensionsiBody size with headband upright and ear cups in their normal wearing position. Width is across the head, height is top to bottom, and depth is front to back. Folded or flat-swivel dimensions are not substituted.

Not available

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Certifications

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Hi-Res Audio

Not available

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Communication certifications

Not available

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FCC ID

Not available

AK8YY296625Regulatory filingfccid.io/AK8YY2966Read 7 October 2026Public FCC grant for Sony Wireless Noise Canceling Stereo Headset model YY2966. Maker guide explicitly maps WH-CH720N to YY2966. Grant date is not release date.

Other certifications

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In the box

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In the box

MOMENTUM 4 headphones, Carry case, USB-A to USB-C cable, 2.5 mm to 3.5 mm audio cable, Airplane adapter, Quick guide, Safety guide, Compliance sheet1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Manual page 5 includes the headphones, USB cable, analog cable, carry case, in-flight adapter, Quick guide, Safety guide and Compliance sheet.2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026Exact maker box section corroborates manual page 5. Both cables approximately 1.2 m. BTD 700 is optional and excluded.

Wireless Noise Canceling Stereo Headset, USB Type-C cable (USB-A to USB-C), Headphone cable2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 9 complete package list. No carrying case is listed.

Cables includediSupplied playback, charging, dongle and adapter cables. A permanently attached headset cable is included and named as fixed.

ASennheiser MOMENTUM 4 Wireless

Type	Length (m)	Count
USB-A to USB-C charging and audio cable	1.2	1
2.5 mm to 3.5 mm TRS audio cable	1.2	1

Source1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 2026Manual page 5 explicitly gives both USB-A to USB-C and 2.5 mm to 3.5 mm audio cables at approximately 1.2 m each.

BSony WH-CH720N

Type	Length (m)	Count
USB-A to USB-C charging cable	0.2	1
Headphone cable	1.2	1

Source2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 9: one of each cable, approximate maker lengths.

Carrying caseiSupplied carrying case or pouch. A retail carton does not count as a carrying case.

Hard5Reviewsoundguys.com/sennheiser-momentum-4-wireless-review-2-86111Read 5 October 2026Exact review calls the supplied case fabric with rigid plastic. Hard case enum describes its supporting shell, not a soft pouch.

None7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Usage section explicitly no case or bag included.

Links

Not compared

Product page

us.sennheiser-hearing.com/products/momentum-4-wireless2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026

www.sony.co.uk/headphones/products/wh-ch720n5Maker product pagesony.co.uk/headphones/products/wh-ch720nRead 5 October 2026Exact WH-CH720N product, not CH710N or new CH730N.

Spec sheet

us.sennheiser-hearing.com/products/momentum-4-wireless2Maker product pageus.sennheiser-hearing.com/products/momentum-4-wirelessRead 5 October 2026

www.sony.co.uk/headphones/products/wh-ch720n/spec10Maker product pagesony.co.uk/headphones/products/wh-ch720n/specRead 7 October 2026Maker full specification table published as HTML for exact WH-CH720N. No PDF invented.

Manual

cdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdf1Owner's manualcdn.sennheiser-hearing.com/product-documents/product-downloads/momentum-4-wireless/Instruction%20manual%20MOMENTUM%204%20Wireless/Instruction_manual_MOMENTUM_4_Wireless.pdfRead 5 October 202641-page current English manual, version 07/25 A05. Hardware 6-7, specifications 39, charging 13-15, audio 32-33, controls 22/26-31 and pad replacement 35 checked.

helpguide.sony.net/mdr/2966/v1/en/print.pdf1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Official complete English help guide.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

Not available

1year13Retailer pagemicrocenter.com/product/664669/sony-wh-ch720n-active-noise-canceling-wireless-bluetooth-headphones-blackRead 7 October 2026US original black WHCH720N/B vendor warranty table explicitly states Parts 1 Year Limited and Labor 1 Year Limited. Sony exact-model warranty PDF was found but body unavailable. No retailer extra protection used.26Retailer pageabt.com/Sony-Black-Wireless-Noise-Canceling-Over-Ear-Headphones-WHCH720NB/p/190323.htmlRead 7 October 2026Exact US model Warranty Information table Parts 1 Year Limited and Labor 1 Year Limited. Consistent with Micro Center Vendor Warranty. Manufacturer limited warranty, not protection-plan extension or statutory right.27Maker spec sheet (PDF)content.abt.com/documents/150463/WHCH720N-warranty.pdfRead 7 October 2026Original Sony limited-warranty sheet 4-599-106-21, attached under Warranty to exact US WHCH720N/B by Sony-authorized Abt. Rendered page1 heading states U.S. and Canada only, 1 year. Term starts original purchase from Sony or authorized dealer. Reference here is US, separate from statutory rights and service extensions.

Both are also in the API. Back to all headsets and headphones.