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Sony WH-CH520 vs Sony WH-CH720N

Product A: Sony

WH-CH520

75 of 161 known
Change Sony WH-CH520

Compare the Sony WH-CH720N with

Product B: Sony

WH-CH720N

95 of 161 known
Change Sony WH-CH720N

Compare the Sony WH-CH520 with

54 of 152 fields differ

Download CSVDownload JSON
  • 20 different values
  • 34 known for one only
  • 41 the same
  • 57 missing for both

Biggest differences

Each bar uses the scale of all 149 headsets and headphones.

  1. Quick chargeA: 1.5hB: 1hWH-CH520 is 0.5 h higher.

Weight

0 to 400 g

Headset weight
A147g
B192g

All 161 fields

Every value links to where we found it.

ASony WH-CH520
BSony WH-CH720N

General

5 of 8 differ
Series
Not available
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 numbers
YY29581Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Guide cover explicitly identifies the regulatory model.
YY29661Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Guide cover explicitly identifies the regulatory model.
GTIN / EAN
02724292520511Retailer pagebhphotovideo.com/c/product/1754496-REG/sony_whch520_b_wireless_on_ear_headphones_with.htmlRead 7 October 2026Exact Black WHCH520/B product UPC 027242925205. Other colours do not inherit this identifier.
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.
Announced
21 February 20235Press 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.
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
Not available
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.
Predecessor
Not available
Not available
Successor
Sony WH-CH53021Reviewtomsguide.com/audio/headphones/sony-wh-1000xm4c-wh-ch730n-wh-ch530-announcedRead 23 October 2026Tom's Guide says the Sony WH-CH530 succeeds the WH-CH520.22Measurementsoundguys.com/sony-wh-ch530-review-162786Read 23 October 2026SoundGuys calls the WH-CH520 the previous model of the WH-CH530.
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)
$59.999Press releasesony.mediaroom.com/2023-02-21-Sony-Electronics-announces-two-new-headphone-models-the-WH-CH720N-over-ear-and-WH-CH520-on-ear-wireless-headphones-featuring-Sonys-Digital-Sound-Equipment-EngineRead 7 October 2026Original Sony Electronics release dated February 21, 2023. Pricing and availability explicitly gives WH-CH520 MSRP $59.99. US consumer price excludes sales tax. WH-CH720N price $149.99 is separate.
$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)
€7010Maker product pagecommunity.sony.co.uk/t5/discover-sony/not-one-but-two-new-headphones-launched-this-month/ba-p/3904427Read 7 October 2026February 2023 Sony Community Team launch article. Pricing and availability gives WH-CH520 March 2023 suggested retail price 70 EUR and 60 GBP. Published European consumer price includes VAT. Direct HTTP returned 403. Full public indexed article read through web. Later discounts excluded.
Not available
Markets
US9Press releasesony.mediaroom.com/2023-02-21-Sony-Electronics-announces-two-new-headphone-models-the-WH-CH720N-over-ear-and-WH-CH520-on-ear-wireless-headphones-featuring-Sonys-Digital-Sound-Equipment-EngineRead 7 October 2026Original US release names Sony Electronics, Amazon and Best Buy sales. Other regions and colours do not inherit US part numbers.
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.
Colours
Pink, Yellow, Blue, Beige, White, Black, One Piece Black, One Piece White4Maker product pagesony.co.uk/headphones/products/wh-ch520/specRead 5 October 2026Public indexed maker specification cells. Direct fetch intermittently unavailable. Current UK spec color table including limited One Piece variants. No color-to-SKU mapping inferred.
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
Music5Press 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 on-ear headphones.
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

1 of 7 differ
Form factor
On-ear5Press 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 on-ear.
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 enclosure
Closed3Maker product pagesony.jp/headphone/products/WH-CH520/spec.htmlRead 5 October 2026Headphone unit type: closed dynamic.
Closed3Maker product pagesony.jp/headphone/products/WH-CH720N/spec.htmlRead 5 October 2026Headphone unit type: closed dynamic.
Wearing style
Headband1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Parts and controls, pages 9-10, labels headband and left/right units.
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.
Folding
Flat8Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Construction section: earcups pivot 90 degrees. Flat swivel does not mean inward hinge.
Flat7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Same section rotation and wearing photos establish flat swivel only, not inward collapse.
Swivelling ear cups
Yes6Maker product pagesony.co.uk/headphones/products/wh-ch520Read 5 October 2026Designed for all-day comfort: swivel earcups.
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 zones
Not available
Not available

Drivers and sound

7 of 20 differ
Driver type
Dynamic3Maker product pagesony.jp/headphone/products/WH-CH520/spec.htmlRead 5 October 2026Headphone unit type: closed dynamic.
Dynamic3Maker product pagesony.jp/headphone/products/WH-CH720N/spec.htmlRead 5 October 2026Headphone unit type: closed dynamic.
Driver size
30mm3Maker product pagesony.jp/headphone/products/WH-CH520/spec.htmlRead 5 October 2026Driver unit 30 mm.
30mm3Maker product pagesony.jp/headphone/products/WH-CH720N/spec.htmlRead 5 October 2026Driver unit 30 mm.
Drivers per side
111Retailer pagebhphotovideo.com/c/product/1754496-REG/sony_whch520_b_wireless_on_ear_headphones_with.htmlRead 7 October 2026Exact Headphone specification table states Number of Drivers 1 per Earpiece. Direct physical count, not inferred from 30 mm diameter.
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)
Not available
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 band
Min20 HzMax20 kHz1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Specifications: A2DP transmission range at 44.1 kHz sampling. This is not acoustic driver response.
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)
Not available
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)
Not available
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 reference
Not available
Per 1 mW2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 128 dB/mW explicit.
THD (claimed)
Not available
Not available
Max input power
Not available
Not available
Max digital audio sample rate
Not available
Not available
Max digital audio bit depth
Not available
Not available
DAC
Not available
Not available
Personalised sound
Not available
Not available
Onboard EQ
Yes14Press articlesoundguys.com/sony-bluetooth-headphone-control-mac-os-160060Read 7 October 2026July 2026 report lists WH-CH520 among v2 supported devices. It says manual EQ and presets are saved to the headset and need not be reapplied on another device. Applies to Bluetooth playback. CH520 compatibility is developer-reported. Reporter personally tested WH-1000XM5 only. No app platform or ANC features inherited.
Not available
Custom EQ bands
513Reviewwhathifi.com/reviews/sony-wh-ch520Read 7 October 2026Design and features paragraph explicitly states a five-band custom playback equalizer in Headphones Connect. CLEAR BASS control is separate. EQ preset names not stated.
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
Not available
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

1 of 3 differ
Spatial audio support
360 Reality Audio2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Page 84 app 360 Reality Audio setup for supported services. Not a bundled paid licence.
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 included
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

8 of 10 differ
Active noise cancelling
No8Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Presentation and connectivity sections explicitly say no active noise cancelling. Review firmware 1.0.1 and Headphones Connect 9.3.0.
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 type
Not available
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 microphones
Not available
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 ANC
Not available
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 levels
Not available
Not available
ANC attenuation (claimed)
Not available
Not available
Transparency mode
No4Maker product pagesony.co.uk/headphones/products/wh-ch520/specRead 5 October 2026Public indexed maker specification cells. Direct fetch intermittently unavailable. General Features: Ambient Sound Mode No.
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
Not available
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 detection
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
Not available
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

7 of 21 differ
Frequency response notes
With an ideal fit, bass and lower mids are emphasized. Other midrange harmonics are quieter. A broken seal reduces bass and makes mids and highs more prominent.17Measurementsoundguys.com/sony-wh-ch520-review-98695Read 7 October 2026Public lab frequency-response interpretation under ideal-fit conditions. Tested firmware 1.01, Headphones Connect 8.5, purchased WH-CH520/BZ over four days. Rig, EQ mode and codec not stated in article. Qualitative assessment only. No numeric deviation invented.
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 amount
Not available
Not available
Treble amount
Not available
Not available
Deviation from target
Not available
Not available
Consistency between fittings
Not available
Not available
Harmonic distortion
Not available
Not available
Sound leakage
Not available
Not available
Measured noise isolation
Not available
Not available
Noise isolation (measured, best)
Not available
Not available
Passive isolation (measured)
Not available
Not available
Mic quality notes
Voices are clear but can sound thin. The microphone separates speech from moderate background noise. Loud environments can overpower the voice.18Measurementrtings.com/headphones/reviews/sony/wh-ch520-wirelessRead 7 October 2026Public Phone Calls verdict from tested Black WH-CH520, RTINGS methodology v1.5. Review updated April 9, 2024. Bluetooth connection. Codec, firmware, host and speech level not stated in public verdict. Membership-locked numeric results not used.
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 extension
Not available
Not available
Mic high-frequency extension
Not available
Not available
Mic speech-to-noise ratio
Not available
Not available
Measured latency
ASony WH-CH520
ConnectionLatency (ms)
Bluetooth224
Source7Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Connectivity section: 224 ms measured Bluetooth delay. Codec, host OS and equipment not stated, so platform/codec cells omitted. Firmware 1.0.1, app 9.3.0. Automatic video compensation does not apply to gaming.
BSony WH-CH720N
Not available
Bluetooth latency (measured, worst)
224ms
Not available
2.4 GHz latency (measured, worst)
Not available
Not available
Measured battery life
ASony WH-CH520
ConnectionHours (h)
Bluetooth59
Bluetooth55.42
Source7Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Runtime section: approximately 59 h at 60% maximum volume using AAC. Tested firmware 1.0.1 and app 9.3.0. ANC absent. Lighting and other app settings not stated. Higher than maker AAC 50 h under this measured volume condition. Published approximation retained, not an invented estimate.19Measurementsoundguys.com/sony-wh-ch520-review-98695Read 7 October 2026Second row is SoundGuys standardized continuous playback result 55 h 25 min, converted exactly to hours. Firmware 1.01, Headphones Connect 8.5, purchased WH-CH520/BZ. Codec, volume and EQ/DSEE settings not stated in article. First row 59 h belongs to existing Les Numeriques AAC test at 60% volume. Distinct methods and conditions. Results are not averaged.
BSony WH-CH720N
ConnectionANCHours (h)
BluetoothYes40.18
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)
59h
40.18h
Clamping force
Not available
Not available
Weight (measured)
147g(5.2 oz)7Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Comfort section explicitly 147 g on the scale. Tested firmware 1.0.1, Headphones Connect 9.3.0. Bluetooth-only model with built-in mic and no detachable audio cable.
Not available

Microphone

2 of 16 differ
Microphone
Built-in1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Parts and controls, pages 9-10, identifies integrated voice/call microphone.
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
Not available
Not available
Microphone pickup pattern
Not available
Not available
Voice microphones
17Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Microphone section explicitly one unique microphone, voice pickup, not inferred from a diagram.
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 microphones
Not available
Not available
Mic frequency response
Not available
Not available
Mic sensitivity
Not available
Not available
Mic signal-to-noise
Not available
Not available
Mic sample rate
Not available
Not available
Mic noise reduction
DSP5Press releasesony.co.uk/presscentre/sony-announces-two-new-headphone-models-the-wh-ch720n-over-ear-and-wh-ch520-on-ear-wireless-headphonesRead 5 October 2026Call section explicitly noise suppression processing. AI not claimed.
Not available
Flip to mute
Not available
Not available
Mute button
Not available
Not available
Mute indicator
Not available
Not available
Sidetone
Yes1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Guide pages 72 and 74 explicitly own voice heard through headset microphone during Bluetooth phone calls. Page 82 also states sidetone during Siri. Adjustment not published.
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
Not available
Not available
Foam microphone windscreen
Not available
Not available

Connectivity

7 of 20 differ
Audio connections
Bluetooth1Owner's manualhelpguide.sony.net/mdr/2958/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.
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 plugs
Not available
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 headset
Not available
3.5 mm2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 65 connection diagram and input jack.
Longest included cable
0.2m2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Page 8: sole included cable is approximately 20 cm USB cable.
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 port
USB-C1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Parts and controls, pages 9-10, USB Type-C charging port.
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 cable
No1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Charging, pages 15-16: music playback and Bluetooth operations cannot be performed while connected to USB power. The USB port is for charging.
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 listening
No4Maker product pagesony.co.uk/headphones/products/wh-ch520/specRead 5 October 2026Public indexed maker specification cells. Direct fetch intermittently unavailable. General Features: Passive Operation No, Inputs No.
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 receiver
None15Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 7 October 2026Complete package inventory gives headset and USB charging cable. All documented playback routes use Bluetooth. No dedicated proprietary wireless audio dongle. Generic host Bluetooth adapters do not count as dedicated receivers.
Not available
Wireless receiver connector
Not available
Not available
Wireless range (claimed)
10m1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Specifications: approximate 10 m line-of-sight. Obstacles and host conditions affect range.
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 manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Specifications chapter, communication system: Bluetooth 5.2.
5.21Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Specifications chapter, communication system: Bluetooth 5.2.
Bluetooth codecs
SBC, AAC1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Specifications chapter: exact supported A2DP codecs, not Bluetooth version capabilities.
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 Audio
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.
Auracast
Not available
Not available
Bluetooth multipoint
Yes1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Connecting the headset to 2 devices simultaneously chapter. Streams switch, rather than mix.
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 devices
21Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Connecting the headset to 2 devices simultaneously chapter, two Bluetooth source devices.
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
81Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Android pairing, page 25: up to eight paired devices. The oldest registration is replaced when another is paired.
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 audio
Not available
Not available
Fast pairing
Google Fast Pair, Microsoft Swift Pair5Press 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.
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 mode
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 latency
Not available
Not available

Compatibility

0 of 3 differ
Compatible platforms
Android, iOS, Windows, macOS1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Individual Bluetooth setup chapters explicitly name Android, iPhone, Windows and Mac. No console path inferred.
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 platform
ASony WH-CH520
PlatformConnectionMicrophone works
AndroidBluetoothYes
iOSBluetoothYes
WindowsBluetoothYes
macOSBluetoothYes
Source15Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 7 October 2026Exact manual Android and iPhone pairing chapters, call chapters pages 71-76, and computer video-call page 77 naming Windows 10, Windows 11 and Mac. Music uses A2DP. Calls use HFP or HSP with supported host and app selection. Some video apps may not expose the correct microphone profile. USB audio excluded.
BSony WH-CH720N
PlatformConnectionMicrophone works
AndroidBluetoothYes
iOSBluetoothYes
WindowsBluetoothYes
macOSBluetoothYes
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

7 of 13 differ
Battery capacity
Not 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 battery
Not available
Not available
Batteries included
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 life
ASony WH-CH520
ConnectionHours (h)
Bluetooth50
Source2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Page 17: AAC continuous music 50 h. SBC 45 h is left in notes because table has no codec column. EQ and DSEE shorten runtime. Call 40 h is not playback. ANC not applicable and omitted.
BSony WH-CH720N
ConnectionANCHours (h)
BluetoothYes35
BluetoothNo50
AnalogYes35
AnalogNo50
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)
50h
50h
Battery life with ANC (claimed)
Not available
35h
Battery life without ANC (claimed)
Not available
50h
Charging port
USB-C1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Charging, pages 15-16: supplied USB-A to USB-C cable.
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 time
180min1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Charging, pages 15-16: approximate time explicitly defined as empty battery to full capacity. Hours converted to minutes.
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 time
3min2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Page 17: 3 minutes charging.
3min2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 18: 3 minutes charging.
Quick charge playback
1.5h2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Page 17: about 1.5 h music playback after 3 minutes. Codec unspecified.
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
No1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Charging, pages 15-16: connecting USB power turns the headset off and prevents music playback. Passive cable use is not claimed here.
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

3 of 6 differ
Controls
Buttons2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Pages 9-10 parts list and playback chapter: three multifunction volume/playback/power buttons.
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
Buttons2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Pages 9-10 volume +/- buttons.
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 mix
Not available
Not available
Remappable controls
Not available
No7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Control section explicitly says controls cannot be changed in app.
Wear detection
Not available
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
Google app, Siri5Press 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: press play/call button to activate Google or Siri, not wake-word activation.
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

2 of 11 differ
Headband type
Padded5Press 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: adjustable headband with padding.
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
Not available
Not available
Frame material
Not available
Not available
Ear cup material
Plastic8Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Construction section: plastic shells.
Plastic7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Usage section calls housings plastic. Not extrapolated to driver diaphragm.
Ear pad material
Not available
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
Yes8Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Photo caption explicitly says detachable and replaceable cushions. Attachment not inferred.
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 attachment
Not available
Not available
Ear pad opening
Not available
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 pads20Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 7 October 2026Construction photo caption explicitly states the ear cushions are detachable and replaceable. Existing earpad_replaceable true has the same evidence. Attachment mechanism and manufacturer spare-part availability not inferred.
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

0 of 3 differ
Companion app
Sony | Sound Connect1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026App chapter page 84. Headphones Connect was renamed Sound Connect in October 2024, as shown on the current guide landing page or maker product page.6Maker product pagesony.co.uk/headphones/products/wh-ch520Read 5 October 2026Current product EQ features name Sony Sound Connect.
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 manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Installing the app chapter: Google Play and Apple App Store smartphone apps.
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 manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026App capabilities page 84: update headset software.
Yes1Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026App capabilities page 98: update headset software.

Dimensions and weight

1 of 2 differ
Headset weight
147g(5.2 oz)1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Specifications: approximate published mass. Detachable cable inclusion is not stated in this guide.
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 dimensions
Not available
Not available

Certifications

0 of 3 differ
Hi-Res Audio
Not available
Not available
Communication certifications
Not available
Not available
FCC ID
AK8YY295816Regulatory filingfccid.io/AK8YY2958/Letter/Charge-Mode-Letter-6126147.pdfRead 7 October 2026Original Sony Charge Mode Letter, independently downloaded from public FCCID archive. Subject explicitly names FCC ID AK8YY2958. Maker manual and photographed retail-unit label identify model YY2958 as WH-CH520. Original fcc.report mirror returned 403 during verification. No battery capacity inferred.
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
Not available
Not available

In the box

2 of 3 differ
In the box
Wireless Stereo Headset, USB Type-C cable (USB-A to USB-C)2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Page 8 package list, no headphone audio cable.
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 included
ASony WH-CH520
TypeLength (m)Count
USB-A to USB-C charging cable0.21
Source2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Page 8: one USB-A to USB-C cable, approximate 20 cm.
BSony WH-CH720N
TypeLength (m)Count
USB-A to USB-C charging cable0.21
Headphone cable1.21
Source2Owner's manualhelpguide.sony.net/mdr/2966/v1/en/print.pdfRead 5 October 2026Page 9: one of each cable, approximate maker lengths.
Carrying case
None7Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Technical characteristics/Construction: Housse de protection fournie=Non, explicitly no supplied protective bag.
None7Reviewsoundguys.com/sony-wh-ch720n-review-99305Read 5 October 2026Usage section explicitly no case or bag included.

Warranty

0 of 1 differ
Manufacturer warranty (source market)
1year11Retailer pagebhphotovideo.com/c/product/1754496-REG/sony_whch520_b_wireless_on_ear_headphones_with.htmlRead 7 October 2026Exact US WHCH520/B Items Included states Limited 1-Year Manufacturer Warranty. Scope is the original US manufacturer term stated by this dealer. Statutory rights and paid plans are separate. Current official Sony warranty PDF was inaccessible. No contrary exact term proved.
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.