Headsets and headphones / Compare

CORSAIR HS35 v3 Wireless vs JBL Quantum 520X Wireless

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Product A: CORSAIR

HS35 v3 Wireless

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B

Product B: JBL

Quantum 520X Wireless

65 of 161 known

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Every value links to where we found it.

Only differences

ACORSAIR HS35 v3 Wireless

BJBL Quantum 520X Wireless

General

6 of 8 differ

Series

HS351Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Product family name HS35 v3 Wireless.

Quantum1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026

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

CA-9011401-WW, CA-9011402-WW, RDA00591Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026SKU CA-9011401-WW (Carbon). The White SKU CA-9011402-WW is listed in the same page variant data. RDA0059 is the headset regulatory model on the quick start guide.2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Headset M/N RDA0059, receiver RDA0060.

JBLQTUM520XBLKAM2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026Retailer SKU JBLQTUM520XBLKAM. The page lists no separate model number.

GTIN / EAN

840440424345, 84044042435215Retailer pagemultitronic.fi/en/products/4626476Read 14 October 2026Carbon model CA-9011401-WW, EAN 0840440424345 (UPC 840440424345).16Retailer pagecomparateur-gamer.fr/prix/casque-de-jeu-sans-fil-corsair-hs35-v3-white-840440424352Read 14 October 2026White model CA-9011402-WW, EAN 840440424352.

05003642546910Retailer pageworldwidestereo.com/products/jbl-quantum-520-x-wireless-over-ear-gaming-headset-blackRead 21 October 2026UPC 050036425469 on the JBL Quantum 520X Wireless listing. This is the US code.

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

2 June 20265Press articleinsider-gaming.com/computex-2026-corsair-lineup-new-productsRead 14 October 2026Dated June 2, 2026 (Computex 2026).

26 August 20261Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026JBL Europe press release dated 26 August 2026, Cologne.

Status

Available1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Page shows In Stock and a New badge.

Available1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Available to buy in Europe from 26 August 2026. US retailers list it as a pre-order for 18 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.

Not available

Not available

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

$79.995Press articleinsider-gaming.com/computex-2026-corsair-lineup-new-productsRead 14 October 2026Wireless model $79.99, wired model $49.99.6Press articletomshardware.com/peripherals/gaming-headsets/corsair-launches-lightweight-budget-friendly-hs35-v3-gaming-headsetsRead 14 October 2026Available now at $79.99 for the wireless model (June 3, 2026).

$129.954Press articlethe-gadgeteer.com/2026/08/27/jbl-quantum-520-vs-520x-vs-120-price-connection-xboxRead 14 October 2026JBL US launch information: 129.95 USD for the 520X with retail availability scheduled for 18 October 2026. US price before sales tax.

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.

€79.9911Reviewprofesionalreview.com/2026/07/06/corsair-hs35-v3-wireless-reviewRead 14 October 2026Official price stated as 80 EUR for the wireless model. Tax treatment not stated.12Reviewkyusaimedia.com/tech/corsair-hs35-v3-wireless-review-the-best-budget-headsetRead 14 October 2026Available in the US, UK and Europe for $79.99 / GBP 69.99 / EUR 79.99. Tax treatment not stated.

€99.991Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026520X priced at 99.99 EUR on the European launch. Price as published in Europe, taxes included.

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

Not available

US, EU10Retailer pageworldwidestereo.com/products/jbl-quantum-520-x-wireless-over-ear-gaming-headset-blackRead 21 October 2026US retailer listing at 129.95 USD. The European press release lists the model on jbl.com in Europe.

ColoursiThe maker's own colour names

Carbon, White1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Colour selector offers Carbon and White. The tech spec table prints BLACK for the Carbon unit.

Black5Press articletrustedreviews.com/news/jbl-unveils-quantum-850-and-new-mid-range-headsets-at-gamescomRead 14 October 2026Black is the only colour for the Quantum 520X.

Segment

Gaming1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Sold as a gaming headset.

Gaming1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026

Design

3 of 7 differ

Form factor

Over-ear7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Ear cups cover the whole ear.

Over-ear2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026Listing features: over-ear.

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

Closed7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Page 3 calls it a closed-back design.

Closed3Spec databasegeektopia.es/es/product/jbl/quantum-520x-wirelessRead 14 October 2026Type: closed circumaural.

Wearing style

Headband7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Over-head band with two ear cups.

Headband1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Press release: the range has a silicone headband. The headset is worn over the head.

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

Flat7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Cups rotate so they lie flat on the upper body.

Not available

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

Yes7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Cups tilt and rotate on two pivot points.

Not available

RGB lighting

No1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Tech Specs table: Lighting No.

Not available

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

Not available

Not available

Drivers and sound

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Driver type

Dynamic6Press articletomshardware.com/peripherals/gaming-headsets/corsair-launches-lightweight-budget-friendly-hs35-v3-gaming-headsetsRead 14 October 2026Custom 50mm neodymium dynamic drivers.

Dynamic1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Press release: 50 mm carbon dynamic drivers on the Quantum 650, 520, 520X and 120.

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

50mm1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Page text: 50mm neodymium drivers.

50mm1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Press release: 50 mm carbon dynamic drivers on the Quantum 650, 520, 520X and 120.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Driver size: 50 mm / 1.97 in dynamic driver.

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

17Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 202650mm neodymium drivers on each side.

Not available

Diaphragm material

Not available

Not available

Magnet

Neodymium1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Page text: 50mm neodymium drivers.

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.

Min20 HzMax20 kHz1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Tech Specs table: Headphone Frequency Response 20Hz - 20 kHz.

Min20 HzMax40 kHz2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026JBL specifications relayed by the retailer: dynamic frequency response range 20 Hz to 40 kHz. The maker spec sheet and quick start guide label the same figure as USB audio.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Audio Specifications: Frequency response 20 Hz - 40 kHz (USB Audio).

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.

32Ω3Maker product pagecorsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-gaming-headsets-everything-you-need-to-knowRead 14 October 2026Spec table: 32 Ohms @ 1kHz. Power state not stated.

32Ω2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026JBL specifications relayed by the retailer: 32 ohm.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Audio Specifications: Impedance 32 ohm.

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.

117dB3Maker product pagecorsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-gaming-headsets-everything-you-need-to-knowRead 14 October 2026Spec table: 117dB (+/- 3dB). Reference and power state are not stated, so no sensitivity reference is stored.

90dB3Spec databasegeektopia.es/es/product/jbl/quantum-520x-wirelessRead 14 October 2026Geektopia lists 90 dB for the 520X. The maker spec sheet and quick start guide state 90 dB SPL at 1 kHz.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Audio Specifications: Sensitivity 90 dB SPL at 1 kHz. The spec sheet has no power reference. The quick start guide adds 1 mW.

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

Not available

Per 1 mW6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026The spec sheet gives no reference. The quick start guide states 90 dB SPL at 1 kHz / 1 mW.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Tech spec: Sensitivity 90 dB SPL @1 kHz / 1 mW.

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

Not available

Not available

Max input power

Not available

30mW3Spec databasegeektopia.es/es/product/jbl/quantum-520x-wirelessRead 14 October 2026Maximum input power 30 mW.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Audio Specifications: Max input power 30 mW.

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

Not available

Not available

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

Not available

Not available

DAC

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

EQ presets

Not available

Not available

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.

Dolby Atmos1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Dolby Atmos Spatial Audio on PC only. Requires the Dolby Access app. Not active on consoles, mobile or wired use.2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Dolby Atmos is supported on PC via the wireless USB transmitter only.

JBL Quantum Spatial Sound1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026JBL Quantum Spatial Sound, powered by JBL QuantumENGINE. All four headsets in the range have it.

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

Yes7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Dolby Access recognises the licence that comes with the headset.

Not available

Head tracking

Not available

Not available

Noise cancelling

0 of 10 differ

Active noise cancelling

No14Reviewprosettings.net/reviews/corsair-hs35-v3-wirelessRead 14 October 2026Specs box: Noise Cancelling No.

No7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026The ten labelled controls and LEDs and the feature list name no active noise cancelling. The only noise cancelling named is the boom microphone noise reduction.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Adjustable transparency

Not available

Not available

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

Not available

Not available

Wind noise reduction

Not available

Not available

Measured

2 of 21 differ

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Recorded in Audacity over the 2.4 GHz dongle. Speech is clear and the range is wider than most headset mics. The omnidirectional mic also picks up keyboard clicks, mouse clicks and background music.8Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/3Read 14 October 2026Audacity recordings through the 2.4GHz transmitter with no windscreen. Subjective review of the recordings.

Not available

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.

Not available

Not available

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

Not available

Not available

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.

242g(8.5 oz)7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Reviewer states 242g with the microphone attached. The scale is not named. This is below the unqualified maker figure of 250g.

Not available

Microphone

7 of 16 differ

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

Detachable boom1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Tech Specs table: Detachable Microphone Yes.

Detachable boom1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Press release: detachable 6 mm cardioid boom mic on all headsets in the range.

Microphone element

Not available

Not available

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

Omnidirectional1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Tech Specs table: Microphone Type Omnidirectional.

Cardioid1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Press release: detachable 6 mm cardioid boom mic on all headsets in the range.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Microphone pickup pattern: Cardioid. The text calls it a 6 mm unidirectional mic with cardioid pattern.

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

Not available

17Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026The guide shows one detachable boom microphone and an audio jack for it. No other voice microphone is listed.

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.

Min100 HzMax10 kHz3Maker product pagecorsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-gaming-headsets-everything-you-need-to-knowRead 14 October 2026Spec table: Mic Frequency Response 100Hz - 10kHz.

Min100Max8,000Hz3Spec databasegeektopia.es/es/product/jbl/quantum-520x-wirelessRead 14 October 2026Microphone frequencies 100 Hz to 8000 Hz.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Microphone frequency response 100 Hz - 8 kHz.

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

-42dB3Maker product pagecorsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-gaming-headsets-everything-you-need-to-knowRead 14 October 2026Spec table: -42dB (+/- 2dB). Reference not stated.

-40dB3Spec databasegeektopia.es/es/product/jbl/quantum-520x-wirelessRead 14 October 2026Listed as -40 dB with a tolerance of 3 dB. The maker quick start guide states -40 dBV/Pa at 1 kHz.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Microphone sensitivity -40 dBV/Pa at 1 kHz.

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.

Not available

DSP6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Features: the mic does not hear the keyboard thanks to the noise reduction technology through JBL QuantumENGINE, which also reduces keyboard noise and sets mic noise reduction. The processing is software on the connected device.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Features: noise reduction technology through JBL QuantumENGINE. Whether it is DSP or AI is not stated.

Flip to mute

Not available

Not available

Mute button

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Short press on the volume wheel mutes and unmutes the microphone.

Yes7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Overview 02: Microphone mute/unmute. The drawing shows a button on the ear cup.

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.

LED on mic2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Microphone mute: static red microphone LED. The headset also sounds a tone.

Not available

Sidetone

Not available

Not available

Adjustable sidetone

Not available

Not available

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

No11Reviewprofesionalreview.com/2026/07/06/corsair-hs35-v3-wireless-reviewRead 14 October 2026No pop filter included with the microphone. APH Networks also tested without a windscreen.

Yes2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026Windshield foam for the boom microphone is in the box.

Connectivity

5 of 20 differ

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

2.4 GHz, Bluetooth, USB1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Tri-mode: 2.4GHz (SLIPSTREAM USB dongle), Bluetooth and USB wired (FAQ).

USB, 2.4 GHz, Bluetooth4Press articlethe-gadgeteer.com/2026/08/27/jbl-quantum-520-vs-520x-vs-120-price-connection-xboxRead 14 October 2026JBL US specifications: 2.4 GHz wireless dongle, Bluetooth 5.4 and low-latency USB-C wired audio.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Power on and connect: 2.4 GHz wireless. Bluetooth section. USB audio section for wired playback.

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

Not available

Not available

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

USB-C2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026USB charging / data port on the headset. The cable is not fixed.

USB-C4Press articlethe-gadgeteer.com/2026/08/27/jbl-quantum-520-vs-520x-vs-120-price-connection-xboxRead 14 October 2026Wired audio runs over USB-C. The headset-side port type follows from the USB-C cable. Not seen on a maker diagram for the 520X.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026The headset has a USB-C port and the USB-C cable carries USB audio. The cable is not fixed. The dongle and boom microphone use their own connections.

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

1.8m1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Tech Specs: Cable Length 1.8m. Package Contents: USB charging cable, 1.8m.

1.5m3Spec databasegeektopia.es/es/product/jbl/quantum-520x-wirelessRead 14 October 2026Cable length 1.5 m. Taken as the length of the USB-C cable in the box.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Cable length 1.5 m.

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-C2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026USB charging / data port. Bundled USB cable for charging or USB wired mode.

USB-C4Press articlethe-gadgeteer.com/2026/08/27/jbl-quantum-520-vs-520x-vs-120-price-connection-xboxRead 14 October 2026USB-C wired audio. The box holds a USB-C cable.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Overview 04: USB-C port on the headset. The box holds a USB-C cable.

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.

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026USB wired mode: connect the headset with the bundled USB cable and it enters USB wired mode. A USB cable overrides 2.4GHz and Bluetooth audio.

Yes4Press articlethe-gadgeteer.com/2026/08/27/jbl-quantum-520-vs-520x-vs-120-price-connection-xboxRead 14 October 2026JBL US specifications: low-latency USB-C wired audio.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026USB audio section: playback over the USB-C cable on PC, Mac, Nintendo Switch, Mobile and PlayStation 5.

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.

Not available

Not available

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

Included1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Package contents list a USB wireless transmitter.

Included2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026USB wireless dongle in the box.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026What is in the box: USB wireless dongle.

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.

USB-C4Maker product pagecorsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-vs-corsair-hs35-v2-whats-the-differenceRead 14 October 2026The dongle has a USB Type C connector that slots into a provided USB-A adapter. Stored as the native USB-C connector.

USB-C6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026The box holds a USB wireless dongle and a USB-C to USB-A converter. The quick start guide drawing shows the dongle with a USB-C plug and the converter with a USB-A plug. Stored as USB-C because the converter adapts it to USB-A.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026What is in the box drawing: USB wireless dongle with USB-C plug and a USB-C to USB-A converter.

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.

20m1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Tech Specs: up to 60ft. FAQ: up to 60 feet (20m) with a clear line of sight over the 2.4GHz dongle. Stored as the maker's metric figure.2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Designed for up to 60 feet (20m) from the USB transmitter.

Not available

Bluetooth

Not available

5.42Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026JBL US specifications: V5.4, A2DP profile. German-language press for the same headset says Bluetooth 5.3. The maker spec sheet and quick start guide both say V5.4, which is used.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Bluetooth version V5.4. Profiles A2DP V1.4 and HFP V1.9. No Bluetooth codec is named.

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

Not available

Not available

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.

Not available

Not available

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

Not available

Not available

Paired devices remembered

Not available

Not available

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

No1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026FAQ: no simultaneous connection with Bluetooth and 2.4GHz.

Not available

Fast pairing

Not available

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

3 of 3 differ

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

Windows, macOS, PS5, PS4, Nintendo Switch, Nintendo Switch 2, Android, iOS1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Tech Specs: PC, Mac, PS4/5, Mobile. FAQ adds Nintendo Switch. FAQ: Switch 2 supports the dongle on the device and docked. Xbox is not listed. Mobile is stored as Android and iOS.

Windows, macOS, iOS, Android, Xbox Series X|S, PS5, Nintendo Switch1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026FAQ: optimized for Xbox and compatible with other mobile and PC platforms and PlayStation. Source says Xbox and PlayStation without a console generation. Stored as Xbox Series and PS5.2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026JBL text: works with Windows, Mac, iPhone, iPad, Android, Xbox, PlayStation and Nintendo Switch. Stored as Windows, macOS, iOS, Android, Xbox Series, PS5 and Nintendo Switch. The source does not name console generations.

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.

ACORSAIR HS35 v3 Wireless

Platform	Connection
Windows	2.4 GHz
macOS	2.4 GHz
PS5	2.4 GHz
PS4	2.4 GHz
Nintendo Switch	2.4 GHz
Nintendo Switch 2	2.4 GHz
Android	2.4 GHz
Android	Bluetooth
iOS	Bluetooth

Source1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026FAQ and quick start guide: 2.4GHz mode for PC, Mac, Switch, mobile and PlayStation. Bluetooth mode for PC, Mac, Switch and mobile. Microphone support per platform is not stated.2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Setting up chapter lists the platforms per mode.

BJBL Quantum 520X Wireless

Platform	Connection
Xbox Series X|S	2.4 GHz
Windows	2.4 GHz
Windows	USB
macOS	2.4 GHz
macOS	USB
Nintendo Switch	2.4 GHz
Nintendo Switch	USB
PS5	2.4 GHz
PS5	USB
Android	2.4 GHz
Android	USB
iOS	2.4 GHz
iOS	USB

Source7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Power on and connect: 2.4 GHz for Xbox, PC, Mobile, Mac, Nintendo Switch and PlayStation. USB audio: PC, Mac, Nintendo Switch, Mobile and PlayStation 5. The guide names Xbox, PlayStation and Mobile without a generation or operating system. Stored as Xbox Series, PS5 and both Android and iOS, as the spec sheet names iPhone, iPad and Android. Bluetooth is not tied to a platform in the guide and has no rows. Microphone support per path is not stated.

Official licence

Not available

Xbox certified1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Press release: Quantum 520X is Xbox certified.

Battery and charging

6 of 13 differ

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

500mAh2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Battery information: M/N AS502248, 3.7V, 500mAh, 1.85Wh (matches).

500mAh2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026Lithium-ion battery, 3.7 V and 500 mAh. Power supply 5 V and 1 A.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Battery type: Lithium-ion battery (3.7 V / 500 mAh).

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

Not available

Not available

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.

ACORSAIR HS35 v3 Wireless

Connection	ANC	Lighting	Hours (h)
2.4 GHz	No	No	30
Bluetooth	No	No	32

Source1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Up to 30 hours at 50% volume over 2.4GHz and up to 32 hours over Bluetooth (page and FAQ). The product has no ANC and no lighting.

BJBL Quantum 520X Wireless

Connection	Hours (h)
2.4 GHz	30
Bluetooth	37

Source2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026Music play time up to 30 h with only 2.4 GHz on and up to 37 h with only Bluetooth on. Talk time of 28 h and 30 h is not stored. ANC, codec and volume are not stated.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Music play time with only 2.4GHz on up to 30 h and with only BT on up to 37 h. Talk time 28 h and 30 h is not stored. ANC, codec and volume are not stated.

Battery life (claimed, max)

32h=CalculatedFrom Claimed battery life

37h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

Not available

Not available

Battery life without ANC (claimed)

32h=CalculatedFrom Claimed battery life

Not available

Charging port

USB-C2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026USB charging / data port.

USB-C4Press articlethe-gadgeteer.com/2026/08/27/jbl-quantum-520-vs-520x-vs-120-price-connection-xboxRead 14 October 2026USB-C cable in the box with a 5 V and 1 A power supply rating. A dedicated charging port is not named in the 520X sources.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Overview 04: USB-C port. The Charging section shows the USB-C cable and the charging LED. Power supply 5 V, 1 A.

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

180min8Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/3Read 14 October 2026Charging takes three hours.10Reviewtechradar.com/gaming/gaming-accessories/corsair-hs35-v3-reviewRead 14 October 2026It only takes three hours to fully charge.

180min2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026Published as less than 3 hours from empty. Stored as 180 minutes, the upper bound.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Charging time: < 3 hrs from empty. Stored as 180 minutes, the upper bound.

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

Not available

5min5Press articletrustedreviews.com/news/jbl-unveils-quantum-850-and-new-mid-range-headsets-at-gamescomRead 14 October 2026A five-minute charge gives one extra hour on the Quantum 650, 520 and 520X. Playback conditions are not stated.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Up to 37 hours of playtime: when it is flat, a 5-minute charge gains 1 extra hour of playtime. Playback conditions are not stated.

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

Not available

1h5Press articletrustedreviews.com/news/jbl-unveils-quantum-850-and-new-mid-range-headsets-at-gamescomRead 14 October 2026A five-minute charge gives one extra hour on the Quantum 650, 520 and 520X. Playback conditions are not stated.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Up to 37 hours of playtime: when it is flat, a 5-minute charge gains 1 extra hour of playtime. Playback conditions are not stated.

Use while charging

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026USB wired mode: the LED is red while charging in USB wired mode and the headset keeps working as the audio device.

Not available

Charging dock or stand

Not available

Not available

Controls

3 of 6 differ

Controls

Buttons, Volume wheel2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Multifunction button, volume wheel and microphone LED on the left earcup.

Not available

Volume control

Wheel2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Maker calls it VOLUME WHEEL. Slide up for more and down for less. TechRadar describes it as a toggle.

Not available

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.

None13Reviewtheshortcut.com/p/corsair-hs35-v3-reviewRead 14 October 2026No dedicated game and chat control. Volume, mic mute and mode switching only.

Hardware dial7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Overview 08: Game audio-chat balance dial. The French text calls it a game and chat audio mixing wheel.

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

Not available

Not available

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

7 of 11 differ

Headband type

Suspension strap7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Suspended headband that adjusts to the head. FAQ calls it an adjustable floating headband.

Not available

Headband material

Elastic fabric strap7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Fabric headband with a suspended, elastic design. Three slots per side adjust the tension.

Silicone1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Press release: the range now has a silicone headband and breathable fabric ear cushions. Stated for the range, with the Quantum 520X included in the same sentence.

Frame material

Plastic7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Plastic frame and shell.

Not available

Ear cup material

Plastic7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Plastic frame and shell everywhere.

Not available

Ear pad material

Memory foam with breathable mesh fabric cover6Press articletomshardware.com/peripherals/gaming-headsets/corsair-launches-lightweight-budget-friendly-hs35-v3-gaming-headsetsRead 14 October 2026Memory foam earpads covered in breathable mesh fabric.

Breathable fabric1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Press release: the range now has a silicone headband and breathable fabric ear cushions. Stated for the range, with the Quantum 520X included in the same sentence.

Replaceable ear pads

Yes7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Ear pads are easily separable from the cup and can be swapped.

Not available

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.

Not available

Not available

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

Not available

Not available

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

Ear pads, Detachable boom microphone7Reviewaphnetworks.com/reviews/corsair-hs35-v3-wireless/2Read 14 October 2026Ear pads and the detachable boom microphone (3.5mm port on the left cup).

Not available

Software

3 of 3 differ

Companion app

Not available

JBL QuantumENGINE2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026JBL text: JBL QuantumENGINE dashboard and free PC suite.

App platforms

Not available

Windows11Maker product pagesupport.jbl.com/us/en/howto/jbl-quantum-engine-software-release-notes-us/000018780.htmlRead 21 October 2026QuantumENGINE software update release notes, version 2.8.6 of 2026-08-21: added support for Quantum 520X and Quantum 255. The page covers the Windows application. The macOS release notes name no 520X, so macOS is not stored. Mobile app support is not stated.

User firmware updates

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Update firmware chapter: Corsair Firmware Update Utility website, choose HS35 v3 Wireless.

Not available

Dimensions and weight

2 of 2 differ

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.

250g(8.8 oz)1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Page and FAQ: 250g, unqualified (microphone inclusion not stated). A maker spec table in the comparison article prints 230g for this model. The prose of the same article and the launch coverage state 250g.3Maker product pagecorsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-gaming-headsets-everything-you-need-to-knowRead 14 October 2026Prose: wireless model weighs 250g. The table row for the wireless model prints 230g and conflicts with the prose.

322.8g(11.4 oz)2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026Specification: 322.8 g. Unqualified maker weight, not independently weighed. Microphone inclusion is not stated.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Weight 322.8 g. Unqualified maker weight.

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.

Width184Height201.9Depth83mm(7.2 × 7.9 × 3.3 in)3Maker product pagecorsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-gaming-headsets-everything-you-need-to-knowRead 14 October 2026Spec table: 83(L) x 184(W) x 201.9(H) mm. Stored as depth 83, width 184, height 201.9. Wired and wireless tables show the same dimensions. Headband setting not stated.

Not available

Certifications

3 of 3 differ

Hi-Res Audio

Not available

Hi-Res Audio1Press releasenews.jbl.com/en-CEU/269347-jbl-announces-jbl-quantum-520-quantum-520x-and-quantum-120Read 14 October 2026Key technologies and FAQ: all four headsets feature Hi-Res Audio. The wired or wireless path is not stated.

Communication certifications

Not available

Zoom certified6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026Zoom certification: the headset meets all the technical and sound qualifications for Zoom certification.

FCC ID

2AAFM-RDA00592Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Headset FCC ID 2AAFM-RDA0059, receiver 2AAFM-RDA0060.

APIJBLQ520X9Regulatory filingfccid.io/APIJBLQ520XRead 21 October 2026FCC ID APIJBLQ520X, Harman International Industries, product code JBLQ520X, gaming wireless headset, final action 2026-06-11. The USB wireless dongle has its own ID APIJBLQ520TM, which is not stored. The quick start guide names the headset model QUANTUM 520X.

Other certifications

Not available

EU Radio Equipment Directive 2014/53/EU conformity, EU RoHS Directive 2011/65/EU conformity, UK Radio Equipment Regulations 2017 conformity, UK RoHS Regulations 2012 conformity8Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw0e2c42a9/pdfs/JBL%20QUANTUM%20520X-EU_UK%20DOC_V8.1.pdfRead 21 October 2026EU and UK declarations of conformity for models QUANTUM 520X and QUANTUM 520 TM dated 2026-06-16. EU: RED 2014/53/EU and RoHS (EU) 2015/863 amending 2011/65/EU. UK: Radio Equipment Regulations 2017 and RoHS Regulations 2012.

In the box

3 of 3 differ

In the box

HS35 v3 Wireless Gaming Headset, USB wireless transmitter, USB charging cable, 1.8m, Detachable boom microphone1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Package Contents: headset, USB wireless transmitter, USB charging cable 1.8m. The detachable microphone is added from the review boxes.9Reviewaphnetworks.com/reviews/corsair-hs35-v3-wirelessRead 14 October 2026Box holds the detachable microphone, a 1.8m USB Type-C to Type-A cable and a USB transceiver.

JBL Quantum 520X headset, Detachable boom microphone, Windshield foam for boom microphone, USB wireless dongle, USB-C to USB-A converter, USB-C cable, Quick start guide, warranty card and warning card2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026What's in the box: headset, detachable boom microphone, windshield foam, USB wireless dongle, USB-C cable and paperwork.6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026What is in the box: headset, detachable boom microphone, windshield foam, USB wireless dongle, USB-C to USB-A converter, USB-C cable, quick start guide, warranty card and warning card.7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026What is in the box: USB-C cable, USB wireless dongle, windshield foam, USB-C to USB-A converter, detachable boom microphone, QSG, warranty card and safety sheet.

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

ACORSAIR HS35 v3 Wireless

Type	Length (m)	Count
USB-C to USB-A charging cable	1.8	1

Source1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026Package Contents: USB charging cable, 1.8m. Connector types from the quick start guide and APH Networks.9Reviewaphnetworks.com/reviews/corsair-hs35-v3-wirelessRead 14 October 20261.8m USB Type-C to Type-A cable.

BJBL Quantum 520X Wireless

Type	Length (m)	Count
USB-C	1.5	1

Source3Spec databasegeektopia.es/es/product/jbl/quantum-520x-wirelessRead 14 October 2026Cable length 1.5 m with a USB-C connector. The USB-C cable in the box matches this listing. The other end of the cable is not stated.

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

Not available

None7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026The complete box list holds no carrying case or pouch.

Links

Not compared

Product page

www.corsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-ww1Maker product pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026US page of the Carbon model.

www.jbl.com/QUANTUM520X.html12Maker product pagejbl.com/QUANTUM520X.htmlRead 21 October 2026JBL US product page with the spec sheet, quick start guide and declaration of conformity downloads.

Spec sheet

www.corsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-gaming-headsets-everything-you-need-to-know3Maker product pagecorsair.com/us/en/explorer/gamer/headsets/corsair-hs35-v3-gaming-headsets-everything-you-need-to-knowRead 14 October 2026Corsair spec table for HS35 v3 Wireless and Wired.

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdf6Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb8b62ee8/pdfs/JBL_Quantum_520X_Specsheet_EN.pdfRead 21 October 2026JBL Quantum 520X spec sheet, 2 pages, English, created 2026-08-20.

Manual

www.corsair.com/us/en/explorer/gamer/headsets/hs35-v3-wireless2Owner's manualcorsair.com/us/en/explorer/gamer/headsets/hs35-v3-wirelessRead 14 October 2026Quick start guide, English.

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdf7Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff42b79c/pdfs/JBL_Quantum_520X_QSG_Global.pdfRead 21 October 2026Multilingual quick start guide, 40 pages. English pages 1 to 10.

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.

Not available

Not available

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 pagecorsair.com/us/en/p/gaming-headsets/ca-9011401-ww/hs35-v3-wireless-multiplatform-gaming-headset-carbon-ca-9011401-wwRead 14 October 2026FAQ: minimum 2-year limited warranty from purchase at Corsair.com or an authorized reseller.

1year2Retailer pageaudio46.com/products/jbl-quantum-520x-wireless-gaming-headsetRead 14 October 2026US listing: 1 year limited JBL manufacturer warranty.

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