Headsets and headphones / Compare

Bose QuietComfort Ultra Headphones vs Sennheiser MOMENTUM 4 Wireless

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Product A: Bose

QuietComfort Ultra Headphones

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B

Product B: Sennheiser

MOMENTUM 4 Wireless

90 of 161 known

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Every value links to where we found it.

Only differences

ABose QuietComfort Ultra Headphones

BSennheiser MOMENTUM 4 Wireless

General

5 of 8 differ

Series

QuietComfort1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

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

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

440108, 880066-0100, 880066-0200, 880066-0300, 880066-1200, 880066-15001Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Page product data lists SKU 880066-0100 BLACK, 880066-0200 WHITE SMOKE, 880066-0300 SANDSTONE, 880066-1200 LUNAR BLUE and 880066-1500 DEEP PLUM. Regulatory model 440108 is from the owner's guide2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Product data lists the same five SKUs as bose.co.uk: 880066-0100, 880066-0200, 880066-0300, 880066-1200 and 880066-15003Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 6: Model number 440108

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.

GTIN / EAN

Not available

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.

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

14 September 20234Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Press release dated September 14, 2023. It gives no price or sale date

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.

Status

Available1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Black in stock with Add to Basket on 2026-10-06. Sandstone, Lunar Blue and Deep Plum out of stock. The bose.com US product URL redirects to the home page

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

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.

Bose QuietComfort Ultra Headphones (2nd Gen)8Reviewwhathifi.com/headphones/wireless-headphones/bose-qc-ultra-headphones-2nd-gen-vs-bose-qc-ultra-headphones-1st-gen-whats-the-differenceRead 6 October 2026The original QC Ultras are outclassed by their successors. The 2nd Gen launched at the same UK price as their predecessors

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.

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

Not available

$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.

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.

GB, DE1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Sold on bose.co.uk (GB) on 2026-10-06. DE is from the bose.de source2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Bose Germany sells the product. Black and White Smoke in stock on 2026-10-06

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

ColoursiThe maker's own colour names

Black, White Smoke, Sandstone, Lunar Blue, Deep Plum1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Colour names as listed on the page: Black, White Smoke, Sandstone, Lunar Blue, Deep Plum. The Diamond 60th Edition is not listed2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Same colour to SKU pairs as bose.co.uk: Black, White Smoke, Sandstone, Lunar Blue, Deep Plum

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.

Segment

Music1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Sold under Headphones. Music listening headphones, not a gaming headset

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

Design

1 of 7 differ

Form factor

Over-ear1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Headphone Fit, Around Ear Circumaural

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

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

Closed9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Enclosure: Closed-Back

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

Wearing style

Headband1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Headband, On Head Adjustable

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

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

Flat and inward3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 42 to 43: rotate both earcups inward so they lay flat, then fold the left earcup up 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.

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

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 42: the earcups rotate for storage

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.

RGB lighting

Not available

Not available

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

Not available

Not available

Drivers and sound

10 of 20 differ

Driver type

Not available

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

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

Not available

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

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

Not available

Not available

Diaphragm material

Not available

Not available

Magnet

Not available

Not available

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.

Not available

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.

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

Not available

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.

Not available

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.

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.

Not available

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.

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

Not available

Not available

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

Not available

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.

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.

Yes11Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 8 October 2026The exact original QuietComfort Ultra Headphones CustomTune FAQ states that a calibration tone plays at startup while the headphones are worn. The headset measures how the unique ear and ear-canal shape modifies the tone, then adjusts audio playback to that ear shape. This is a manufacturer-supported acoustic ear scan and device sound profile. It is separate from manual EQ, and does not claim a hearing-threshold test or a profile saved permanently across power cycles. The second-generation headphone is excluded.

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.

Not available

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.

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

31Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Adjust EQ settings by modifying the levels of bass, mid-range and treble. The owner's guide battery note also says 3-band EQ3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36 test note: 3-band EQ set to zero

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.

EQ presets

Not available

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

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.

Bose Immersive Audio1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Breakthrough Bose Immersive Audio. Still and Motion settings

Not available

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

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 22: in the Still setting the virtual speakers stay where they are when you move your head4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Immersive Audio is enabled by an onboard IMU

Not available

Noise cancelling

2 of 10 differ

Active noise cancelling

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

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

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

Hybrid1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: microphones both inside and outside the earcups. Features: 8 microphones for advanced feedback and adaptive feed-forward noise reduction

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

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

Not available

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.

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

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Features: adaptive feed-forward noise reduction. Aware Mode with ActiveSense applies noise cancellation automatically during loud sounds

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.

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

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Aware Mode feels as if you are not wearing headphones

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

Adjustable transparency

Not available

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

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

Not available

Not available

Wind noise reduction

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ What is Wind Block: mutes the outside noise-cancelling microphones in wind3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 25: custom modes offer noise cancellation or wind block

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.

Measured

6 of 21 differ

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

Warm sound with slightly emphasized bass. Low harmonic distortion. Left and right drivers are reasonably well matched except in the treble.9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Public verdict on audio reproduction accuracy and sound signature Warm. Detailed test values are members-only and were not used

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.

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

2dB9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Test Bench 2.3. Bass Amount: Slightly Emphasized (2 dB)

Not available

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

-1dB9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Test Bench 2.3. Treble Amount: Balanced (-1 dB)

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

Satisfactory. Captures the voice without notable peaks or dips. Only an okay job of separating the voice from surrounding noise.9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Public verdict on the microphone

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.

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.

ABose QuietComfort Ultra Headphones

Connection	Hours (h)
Bluetooth	27.62

Source10Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-review-103901Read 6 October 2026Standardized test protocol: 27 hours and 37 minutes of continuous playback. ANC state and codec are not stated on the page

BSennheiser 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.

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

27.62h=CalculatedFrom Measured battery life

56.35h=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

5 of 16 differ

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

Built-in1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Microphones, Built-in Microphone

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

Microphone element

Not available

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

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

Not available

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

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

43Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 17: four microphones for phone calls, two on each earcup

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.

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.

Not available

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.

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.

DSP1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ phone calls: the adaptive microphone system isolates your voice from competing background noises and wind. Noise Control Type also lists Echo Reduction

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

Flip to mute

Not available

Not available

Mute button

Not available

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.

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.

Not available

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.

Sidetone

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ phone calls: self-voice allows you to hear yourself naturally3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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

Adjustable sidetone

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 21: self voice is activated on calls. Adjust self voice in the Bose app

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.

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

Not available

Not available

Connectivity

9 of 20 differ

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

Bluetooth, Analog3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: 2.5 mm to 3.5 mm audio cable. Page 34: the headphones do not support 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 source plugsiAnalog plug(s) supplied for the source device, including adapters. The headset-side jack is listed separately.

3.5 mm TRS10Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-review-103901Read 6 October 20262.5 to 3.5mm TRS cable

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.

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

2.5 mm3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: connect the cable to the 2.5 mm port on the left earcup

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

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

Not available

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.

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-C3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 34: USB-C port on the left earcup

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

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.

No1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: Do QuietComfort Ultra Headphones support USB audio? No.3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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

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.

No1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: the headphones must be powered on during use, including when using the auxiliary audio cable3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: the headphones must be powered on to use the audio cable

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.

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

None3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Bluetooth only. No receiver in the box

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.

9m1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Bluetooth Range 9 m. FAQ: up to 9 metres (30 ft)

Not available

Bluetooth

5.31Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Bluetooth Version 5.34Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Bluetooth 5.3 compatible

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

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

SBC, AAC, aptX Adaptive3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 32: aptX Adaptive with Snapdragon Sound-certified devices. SBC and AAC from What Hi-Fi4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Snapdragon Sound with aptX Adaptive, including lossless and low latency capabilities6Reviewwhathifi.com/reviews/bose-quietcomfort-ultra-headphones-reviewRead 6 October 2026Tech specs: Bluetooth SBC, AAC, aptX Adaptive

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.

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

Not available

Not available

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.

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: connects to two source devices at the same time. Added by a software update in July 20243Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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

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

21Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: two source devices at the same time3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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

Paired devices remembered

63Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 27: up to six devices in the device list, two actively connected

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.

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

Google Fast Pair3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 31: Connect using Fast Pair, Android 6.0 or higher4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026

Not available

Base station

Not available

Not available

Latency

None of 2 known

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

Not available

Not available

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.

Not available

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

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.

ABose QuietComfort Ultra Headphones

Not available

BSennheiser 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.

Official licence

Not available

Not available

Battery and charging

8 of 13 differ

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

Not available

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.

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

No3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Safety information: do not attempt to remove the rechargeable lithium-ion battery. Contact Bose

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.

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

Not available

Not available

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.

ABose QuietComfort Ultra Headphones

Connection	ANC	Spatial audio	Hours (h)
Bluetooth	Yes	No	24
Bluetooth	Yes	Yes	18

Source12Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 8 October 2026The exact manufacturer guide on printed page 36 gives up to 24 hours with Bose Immersive Audio Off and up to 18 hours with it On after a full charge. Both music rows use Quiet Mode with full active noise cancellation, Bluetooth A2DP streaming at 75 dB SPL playback loudness, and all three equalizer bands at zero. Manufacturer testing used production-representative units in June 2023 with a variety of music tracks. The Bluetooth codec and Immersive Still/Motion setting are unspecified, so neither is inferred. These are manufacturer claims, not independent reviewer measurements.

BSennheiser 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.

Battery life (claimed, max)

24h=CalculatedFrom Claimed battery life

60h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

24h=CalculatedFrom Claimed battery life

60h=CalculatedFrom Claimed battery life

Battery life without ANC (claimed)

Not available

Not available

Charging port

USB-C1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 20263Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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

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

180min1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Battery Charge Time 3 hours. A page FAQ says up to 2 hours. The owner's guide says up to 3 hours and wins3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: allow up to 3 hours to fully charge

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.

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

15min3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: a 15-minute charge

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

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

2.5h3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: up to 2.5 hours with Immersive Audio off, 2 hours with it on. A bose.co.uk FAQ says 3 hours. The owner's guide wins

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.

Use while charging

No3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 34: the headphones power off when connected to power and will not charge while powered on. They can run from USB power without 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.

Charging dock or stand

Not available

Not available

Controls

2 of 6 differ

Controls

Buttons, Touch1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ controls: Bluetooth/power button, multi-function button and capacitive volume strip on the right earcup

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

Volume control

Touch1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Swiping along the volume strip changes volume

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

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.

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Press and hold on the volume strip activates a user-configurable shortcut3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 19: shortcut on touch and hold of the volume strip, set in the Bose app

Not available

Wear detection

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ controls: on-head/off-head detection3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 20: on-head detection, auto play/pause and auto answer

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

Voice assistant

Not available

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.

Comfort and build

5 of 11 differ

Headband type

Not available

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

Headband material

Pleather1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Product Comparison table, Materials: Pleather headband, plastic yolk6Reviewwhathifi.com/reviews/bose-quietcomfort-ultra-headphones-reviewRead 6 October 2026Metal arms and yokes combined with the pleather on the headband and earcups

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.

Frame material

Not available

Not available

Ear cup material

Not available

Not available

Ear pad material

Protein leather1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Ear Cushion Material, Protein Leather

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

Replaceable ear pads

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Cushions, Removable Cushion. The page links a QSG for the QCUH cushion kit

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

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.

Clip3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Pages 45 to 46, serial number location: pull the cushion away until all six tabs release, then align the six tabs on the cushion mounting flange with the six slots on the earcup and press until they snap in

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.

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

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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.

Ear tips included

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Dust and water rating

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User-replaceable parts

Ear cushions3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Pages 45 to 46: the cushion is pulled off and snapped back by the user. Page 44: replacement parts through Bose customer service. The bose.co.uk page sells the QuietComfort Ultra Headphones Ear Cushion Kit

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

Software

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Companion app

Bose app3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 12: download the Bose app. The bose.co.uk spec table still names the Bose Music 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.

App platforms

Android, iOS1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Support: download the app on Google Play and the Apple Store

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.

User firmware updates

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 44: updates through the Bose app or btu.Bose.com

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

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.

254g(9 oz)1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Headphone 0.560 lb, converted. Bose Germany states 0.25 kg. What Hi-Fi states 250 g

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.

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.

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Certifications

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Hi-Res Audio

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Communication certifications

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FCC ID

A944401083Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Regulatory page: FCC ID A94440108, IC 3232A-440108

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Other certifications

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In the box

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In the box

Bose QuietComfort Ultra Headphones, Carry case, 3.5 mm to 2.5 mm audio cable, USB-C (A to C) cable (50.8 cm) (20"), Safety sheet1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026What's in the box, verbatim

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.

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

ABose QuietComfort Ultra Headphones

Type	Length (m)	Count
USB-A to USB-C	0.508	1
3.5 mm to 2.5 mm audio cable	Not available	1

Source1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026USB-C (A to C) cable 50.8 cm (20 in). Audio cable length not published

BSennheiser 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.

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

Hard7Reviewwhathifi.com/advice/bose-quietcomfort-headphones-vs-quietcomfort-ultra-headphones-what-are-the-differencesRead 6 October 2026Both models come with a useful hard-shell 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.

Links

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Product page

www.bose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.html1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

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

Spec sheet

Not available

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

Manual

assets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdf3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Owner's guide 884885 for QuietComfort Ultra Headphones

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.

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.

2years1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026GB: Why buy direct from Bose, 2-year warranty

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