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Beats Solo 4 vs Sony WH-CH520

Product A: Beats

Solo 4

76 of 161 known
Change Beats Solo 4

Compare the Sony WH-CH520 with

Product B: Sony

WH-CH520

75 of 161 known
Change Sony WH-CH520

Compare the Beats Solo 4 with

67 of 152 fields differ

Download CSVDownload JSON
  • 35 different values
  • 32 known for one only
  • 19 the same
  • 66 missing for both

Biggest differences

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

  1. Quick chargeA: 5hB: 1.5hBeats is 3.3 times higher.
  2. Driver sizeA: 40mmB: 30mmBeats is 10 mm higher.

Weight

0 to 400 g

Weight (measured)
A218g
B147g
Headset weight
A217g
B147g

All 161 fields

Every value links to where we found it.

ABeats Solo 4
BSony WH-CH520

General

7 of 8 differ
Series
Solo7Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 10 October 2026Next generation of the Beats Solo line
Not available
Model numbers
A3140, MUW23LL/A, MUW43LL/A, MUW33LL/A1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026MUW23LL/A, MUW43LL/A and MUW33LL/A are the US part numbers in the page data for Matte Black, Slate Blue and Cloud Pink. A3140 is from the safety and handling guide.5Maker spec sheet (PDF)beatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo4/solo4-sh-ee.pdfRead 10 October 2026Model: A3140
YY29581Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Guide cover explicitly identifies the regulatory model.
GTIN / EAN
Not available
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.
Announced
30 April 20247Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 10 October 2026Business Wire release dated April 30, 2024. Available to order that day.
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.
Status
Available1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Sold on the maker page.
Not available
Predecessor
Not available
Not available
Successor
Not available
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.
Launch price (US)
$199.997Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 10 October 2026$199.99 (US), excluding tax
$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.
Launch price (EU)
Not available
€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.
Markets
Not available
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.
Colours
Matte Black, Slate Blue, Cloud Pink1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Colour swatches on the page. Limited editions are not listed.7Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 10 October 2026
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.
Segment
Music1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Listed under Beats headphones for music. Not a gaming headset.
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.

Design

2 of 7 differ
Form factor
On-ear1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Form factor: on-ear
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.
Ear cup enclosure
Closed8Spec databasesoundguys.com/product/beats-solo-4Read 10 October 2026Acoustic design: closed-back
Closed3Maker product pagesony.jp/headphone/products/WH-CH520/spec.htmlRead 5 October 2026Headphone unit type: closed dynamic.
Wearing style
Headband1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
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.
Folding
Inward13Reviewreviewed.com/headphones/content/beats-solo-4-reviewRead 10 October 2026A metallic hinge on either side of the headband lets the ear cups fold in and fit in the zippered carrying case.
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.
Swivelling ear cups
No14Reviewtechradar.com/audio/headphones/beats-solo-4-reviewRead 10 October 2026The ear cups do not swivel, so the edges can rest between the chin and collarbone when worn around the neck. The review also says the cups fold on loose hinges.
Yes6Maker product pagesony.co.uk/headphones/products/wh-ch520Read 5 October 2026Designed for all-day comfort: swivel earcups.
RGB lighting
Not available
Not available
Lighting zones
Not available
Not available

Drivers and sound

4 of 20 differ
Driver type
Dynamic8Spec databasesoundguys.com/product/beats-solo-4Read 10 October 2026Driver type: dynamic, 40 mm
Dynamic3Maker product pagesony.jp/headphone/products/WH-CH520/spec.htmlRead 5 October 2026Headphone unit type: closed dynamic.
Driver size
40mm1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
30mm3Maker product pagesony.jp/headphone/products/WH-CH520/spec.htmlRead 5 October 2026Driver unit 30 mm.
Drivers per side
18Spec databasesoundguys.com/product/beats-solo-4Read 10 October 2026Driver count: 1
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.
Diaphragm material
Not available
Not available
Magnet
Not available
Not available
Frequency response (wired or passive)
Not available
Not available
Wireless audio transmission band
Not available
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.
Impedance (passive when specified)
Not available
Not available
Sensitivity (passive when specified)
Not available
Not available
Sensitivity reference
Not available
Not available
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
No9Measurementsoundguys.com/beats-solo-4-review-115347Read 10 October 2026The Beats app offers no EQ presets and no sound adjustment.
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.
Custom EQ bands
Not available
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.
EQ presets
Not available
Not available
Volume limit
Not available
Not available

Spatial audio

2 of 3 differ
Spatial audio support
Personalized Spatial Audio1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Personalized Spatial Audio with dynamic head tracking. Works on Apple platforms.
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.
Spatial audio licence included
Not available
Not available
Head tracking
Yes1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Built-in gyroscopes and accelerometers
Not available

Noise cancelling

1 of 10 differ
Active noise cancelling
No2Maker product pagebeatsbydre.com/support/headphones/solo4Read 10 October 2026Beats Solo 4 does not feature Active Noise Cancelling (ANC).
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.
ANC type
Not available
Not available
ANC microphones
Not available
Not available
Adaptive ANC
Not available
Not available
ANC levels
Not available
Not available
ANC attenuation (claimed)
Not available
Not available
Transparency mode
Not available
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.
Adjustable transparency
Not available
Not available
Conversation detection
Not available
Not available
Wind noise reduction
Not available
Not available

Measured

10 of 21 differ
Frequency response notes
Slightly bright sound signature. Flat bass and mid-range with a gently boosted treble.11Measurementrtings.com/headphones/reviews/beats/solo-4-wirelessRead 10 October 2026Slightly bright signature, flat bass and mid-range, gently boosted treble
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.
Bass amount
-1dB11Measurementrtings.com/headphones/reviews/beats/solo-4-wirelessRead 10 October 2026Bass slightly underemphasized at -1 dB. Public review text. Test bench version not recorded.
Not available
Treble amount
1dB11Measurementrtings.com/headphones/reviews/beats/solo-4-wirelessRead 10 October 2026Treble slightly emphasized at +1 dB
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
ABeats Solo 4
ANC onBass (dB)Mids (dB)Treble (dB)
No-0.813.530
Source12Measurementtechgearlab.com/reviews/audio/wireless-headphones/beats-solo-4Read 10 October 2026Passive only (the headset has no ANC). Table Low -0.8, Mid 13.5, High 30.0, read as dB reduction. The page does not label units, band limits or the rig, and gives no overall figure.
BSony WH-CH520
Not available
Noise isolation (measured, best)
Not available
Not available
Passive isolation (measured)
Not available
Not available
Mic quality notes
Disappointing overall microphone performance.11Measurementrtings.com/headphones/reviews/beats/solo-4-wirelessRead 10 October 2026RTINGS microphone verdict for the Solo 4: disappointing performance. Public review text.
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.
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
ABeats Solo 4
Not available
BSony 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.
Bluetooth latency (measured, worst)
Not available
224ms
2.4 GHz latency (measured, worst)
Not available
Not available
Measured battery life
ABeats Solo 4
ConnectionANCHours (h)
BluetoothNo84.3
Source9Measurementsoundguys.com/beats-solo-4-review-115347Read 10 October 2026SoundGuys battery test over Bluetooth at music peaking at 75 dB SPL. 84 h 18 min (84.3 h). Firmware 2C241.
BSony 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.
Battery life (measured, max)
84.3h
59h
Clamping force
Not available
Not available
Weight (measured)
218g(7.7 oz)12Measurementtechgearlab.com/reviews/audio/wireless-headphones/beats-solo-4Read 10 October 2026Spec table: measured weight 218 g. The review text repeats 218 grams. Cable not involved.
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.

Microphone

5 of 16 differ
Microphone
Built-in1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Multiple digital beam-forming microphones. The count is not published.
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.
Microphone element
MEMS13Reviewreviewed.com/headphones/content/beats-solo-4-reviewRead 10 October 2026Lists two digital beamforming MEMS microphones. SoundGuys lists a single microphone and the maker says multiple, so the count is not stored.
Not available
Microphone pickup pattern
Not available
Not available
Voice microphones
Not available
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.
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
AI8Spec databasesoundguys.com/product/beats-solo-4Read 10 October 2026Digital beamforming with machine learning noise rejection
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.
Flip to mute
Not available
Not available
Mute button
Yes3Owner's manualsupport.apple.com/guide/beats/use-beatssolo4-dev484e78f99/webRead 10 October 2026During a call, press the b button to mute or unmute the microphone.
Not available
Mute indicator
Not available
Not available
Sidetone
Not available
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.
Adjustable sidetone
Not available
Not available
Foam microphone windscreen
Not available
Not available

Connectivity

12 of 20 differ
Audio connections
Bluetooth, USB, Analog1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
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 source plugs
3.5 mm TRS9Measurementsoundguys.com/beats-solo-4-review-115347Read 10 October 2026Wired via the included 3.5 mm TRS cable or USB-C
Not available
Cable connector on headset
3.5 mm1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
Not available
Longest included cable
Not available
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.
Headset USB plug or port
USB-C1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
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.
Audio over USB-C cable
Yes1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 20263Owner's manualsupport.apple.com/guide/beats/use-beatssolo4-dev484e78f99/webRead 10 October 2026
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.
Passive wired listening
Yes1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Zero battery power required when listening via 3.5 mm audio cable
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.
Wireless receiver
None1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026No dongle in the box or on the page.
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.
Wireless receiver connector
Not available
Not available
Wireless range (claimed)
Not available
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.
Bluetooth
5.31Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Bluetooth 5.3, Class 1
5.21Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Specifications chapter, communication system: Bluetooth 5.2.
Bluetooth codecs
SBC, AAC9Measurementsoundguys.com/beats-solo-4-review-115347Read 10 October 2026Bluetooth 5.3 via SBC or AAC10Reviewheadphonecheck.com/test/beats-solo-4Read 10 October 2026Bluetooth 5.3 with SBC and AAC
SBC, AAC1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Specifications chapter: exact supported A2DP codecs, not Bluetooth version capabilities.
LE Audio
Not available
Not available
Auracast
Not available
Not available
Bluetooth multipoint
No10Reviewheadphonecheck.com/test/beats-solo-4Read 10 October 2026Classic multipoint is not included. The headphones disconnect from the old source when a new one connects.
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.
Multipoint devices
Not available
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.
Paired devices remembered
Not available
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.
Mixes 2.4 GHz and Bluetooth audio
Not available
Not available
Fast pairing
Google Fast Pair2Maker product pagebeatsbydre.com/support/headphones/solo4Read 10 October 2026Google Fast Pair one-touch pairing on Android
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.
Base station
Not available
Not available

Latency

None of 2 known
Low latency mode
Not available
Not available
Claimed latency
Not available
Not available

Compatibility

2 of 3 differ
Compatible platforms
iOS, macOS, Android3Owner's manualsupport.apple.com/guide/beats/use-beatssolo4-dev484e78f99/webRead 10 October 2026Wired USB-C works with a supported iPhone, iPad, Mac or Android device. Bluetooth pairing is covered for Apple and Android.
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.
Connection per platform
ABeats Solo 4
PlatformConnection
iOSBluetooth
macOSBluetooth
AndroidBluetooth
iOSUSB
macOSUSB
AndroidUSB
Source3Owner's manualsupport.apple.com/guide/beats/use-beatssolo4-dev484e78f99/webRead 10 October 2026Pairing guide for Apple and Android devices. USB-C cable steps name iPhone, iPad, Mac and Android. Microphone use over each connection is not documented.
BSony 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.
Official licence
Not available
Not available

Battery and charging

7 of 13 differ
Battery capacity
Not available
Not available
Swappable battery
No5Maker spec sheet (PDF)beatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo4/solo4-sh-ee.pdfRead 10 October 2026The lithium-ion battery should be serviced or recycled by Apple or an authorized service provider. This is a service rule, not a user-swap claim.
Not available
Batteries included
Not available
Not available
Claimed battery life
ABeats Solo 4
ConnectionANCHours (h)
BluetoothNo50
Source1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Up to 50 hours of listening time on a single charge. Apple notes that battery life depends on settings, environment and usage. The headphones have no ANC.
BSony 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.
Battery life (claimed, max)
50h
50h
Battery life with ANC (claimed)
Not available
Not available
Battery life without ANC (claimed)
50h
Not available
Charging port
USB-C1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
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.
Full charge time
135min4Owner's manualsupport.apple.com/guide/beats/about-charging-and-playback-time-devc8a939c17/webRead 10 October 2026Up to 50 hours of playback after an approximate 2-hour-and-15-minute charge
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.
Quick charge time
10min1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 20264Owner's manualsupport.apple.com/guide/beats/about-charging-and-playback-time-devc8a939c17/webRead 10 October 2026
3min2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Page 17: 3 minutes charging.
Quick charge playback
5h1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Fast Fuel, a 10-minute charge gives up to 5 hours of playback4Owner's manualsupport.apple.com/guide/beats/about-charging-and-playback-time-devc8a939c17/webRead 10 October 2026A 10-minute charge provides up to 5 hours of 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.
Use while charging
Yes3Owner's manualsupport.apple.com/guide/beats/use-beatssolo4-dev484e78f99/webRead 10 October 2026When connected using the included USB-C cable, your headphones charge while you listen to audio.
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.
Charging dock or stand
Not available
Not available

Controls

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Controls
Buttons1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
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.
Volume control
Buttons1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
Buttons2Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026Pages 9-10 volume +/- buttons.
Game and chat mix
Not available
Not available
Remappable controls
Yes2Maker product pagebeatsbydre.com/support/headphones/solo4Read 10 October 2026Call controls on the b button. End-call and mute actions can be changed in the Beats settings (see the Apple guide).3Owner's manualsupport.apple.com/guide/beats/use-beatssolo4-dev484e78f99/webRead 10 October 2026Customize the end-call and mute/unmute actions on Beats Solo 4.
Not available
Wear detection
No10Reviewheadphonecheck.com/test/beats-solo-4Read 10 October 2026No auto pause feature. They keep playing when taken off.
Not available
Voice assistant
Siri, Google Assistant2Maker product pagebeatsbydre.com/support/headphones/solo4Read 10 October 2026Siri on Apple devices. Press and hold the b button for the voice assistant on iOS or Android.10Reviewheadphonecheck.com/test/beats-solo-4Read 10 October 2026Google Assistant works with a button press plus the voice command. Hey Siri works hands-free.
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.

Comfort and build

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Headband type
Padded9Measurementsoundguys.com/beats-solo-4-review-115347Read 10 October 2026The band has somewhat thin padding where it meets the skull.
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.
Headband material
Metal with soft material underside8Spec databasesoundguys.com/product/beats-solo-4Read 10 October 2026Headband material: metal with soft material underside
Not available
Frame material
Metal headband and hinges, plastic ear cups10Reviewheadphonecheck.com/test/beats-solo-4Read 10 October 2026Metal headband and hinges. Ear cups are plastic per SoundGuys.
Not available
Ear cup material
Plastic8Spec databasesoundguys.com/product/beats-solo-4Read 10 October 2026Chassis material: plastic
Plastic8Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Construction section: plastic shells.
Ear pad material
Foam with PU leather8Spec databasesoundguys.com/product/beats-solo-4Read 10 October 2026Ear cup material: foam, PU leather9Measurementsoundguys.com/beats-solo-4-review-115347Read 10 October 2026Foam earpad ensconced in fake leather
Not available
Replaceable ear pads
No10Reviewheadphonecheck.com/test/beats-solo-4Read 10 October 2026The UltraPlush ear pads are fixed and cannot be replaced.
Yes8Reviewlesnumeriques.com/casque-nomade/sony-wh-ch520-p73092/test.htmlRead 5 October 2026Photo caption explicitly says detachable and replaceable cushions. Attachment not inferred.
Ear pad attachment
Not available
Not available
Ear pad opening
Not available
Not available
Ear tips included
Not available
Not available
Dust and water rating
Not available
Not available
User-replaceable parts
Not available
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.

Software

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Companion app
Beats app3Owner's manualsupport.apple.com/guide/beats/use-beatssolo4-dev484e78f99/webRead 10 October 2026The Beats app is for Android. Apple devices use system settings.9Measurementsoundguys.com/beats-solo-4-review-115347Read 10 October 2026Beats app for Android: firmware updates, Find My Device, call control customization
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.
App platforms
Android3Owner's manualsupport.apple.com/guide/beats/use-beatssolo4-dev484e78f99/webRead 10 October 2026This guide is also for the Beats app on Android.
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.
User firmware updates
Yes2Maker product pagebeatsbydre.com/support/headphones/solo4Read 10 October 2026Firmware updates are delivered automatically on an Apple device. On Android, use the Beats app.
Yes1Owner's manualhelpguide.sony.net/mdr/2958/v1/en/print.pdfRead 5 October 2026App capabilities page 84: update headset software.

Dimensions and weight

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Headset weight
217g(7.7 oz)1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Weight: 217 g / 7.65 oz
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.
Headset dimensions
Not available
Not available

Certifications

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Hi-Res Audio
Not available
Not available
Communication certifications
Not available
Not available
FCC ID
BCGA31405Maker spec sheet (PDF)beatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo4/solo4-sh-ee.pdfRead 10 October 2026FCC ID: BCGA3140
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.
Other certifications
ISED Canada (IC: 579C-A3140)5Maker spec sheet (PDF)beatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo4/solo4-sh-ee.pdfRead 10 October 2026IC: 579C-A3140
Not available

In the box

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In the box
Beats Solo 4 headphones, Carrying case, USB-C to USB-C cable for charging and audio, 3.5 mm analog audio cable, Quick Start Guide, Warranty card1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026
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.
Cables included
ABeats Solo 4
TypeCount
USB-C to USB-C cable for charging and audio1
3.5 mm analog audio cable1
Source1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Cable lengths are not published.
BSony 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.
Carrying case
Soft1Maker product pagebeatsbydre.com/headphones/solo4-wirelessRead 10 October 2026Carrying case in the box. SoundGuys and HeadphoneCheck describe it as a soft fabric 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.

Warranty

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Manufacturer warranty (source market)
1year6Maker product pageapple.com/legal/warranty/products/accessory-warranty-english.htmlRead 10 October 2026Apple One-Year Limited Warranty for Apple-branded and Beats-branded hardware. English legal page. Statutory rights are excluded.
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.

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