Headsets and headphones / Compare

JBL Quantum 250 vs Logitech G435 LIGHTSPEED

A

Product A: JBL

Quantum 250

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B

Product B: Logitech

G435 LIGHTSPEED

66 of 161 known

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Every value links to where we found it.

Only differences

AJBL Quantum 250

BLogitech G435 LIGHTSPEED

General

7 of 8 differ

Series

Quantum2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026JBL Quantum gaming line.

Not available

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

JBLQTUM250BLK, JBLQTUM250WHT, JBLQTUM250PUR, JBLQTUM250TEL, JBLQTUM250BLKAM, JBLQTUM250WHTAM, JBLQTUM250PURAM, JBLQTUM250TELAM1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Item number JBLQTUM250BLK on the page. The page data also lists JBLQTUM250WHT, PUR and TEL and the AM versions of all four, which are the US item numbers (JBLQTUM250BLKAM at US retailers).

981-001049, 981-001050, 981-001062, 981-0010741Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026US page lists 981-001049 for Black and Neon Yellow. The EU page lists 981-001050, 981-001062 and 981-001074. Other regional numbers seen at retailers are not stored.2Maker product pagelogitechg.com/en-eu/products/gaming-audio/g435-wireless-bluetooth-gaming-headset.981-001050.htmlRead 11 October 2026Structured data lists 981-001050 Black and Neon Yellow, 981-001062 Blue and Raspberry, 981-001074 Off White and Lilac.

GTIN / EAN

Not available

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

20 August 20254Press releasenews.jbl.com/en-CEU/252910-jbl-redefines-gaming-audio-with-jbl-quantum-950-650-and-250-headsetsRead 14 October 2026JBL EU press release from Cologne, 20 August 2025, announces the Quantum 950, 650 and 250.

14 September 20214Press releasenews.logitech.com/press-releases/news-details/2021/Logitech-G-Unveils-Its-Lightest-Most-Affordable-Sustainable-Wireless-Gaming-Headset-Yet/default.aspxRead 11 October 2026

Status

Available8Retailer pageworldwidestereo.com/products/jbl-quantum-250-wired-gaming-headset-blackRead 14 October 2026US retailer listing of JBLQTUM250BLKAM, the black Quantum 250, on sale.

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

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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

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

$79.956Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026CES 2026 report: Quantum 250 priced at $79.95 MSRP, available March 2026 in the US, in black and white. Fonearena and Phileweb give the same US price. US price before sales tax.

$79.994Press releasenews.logitech.com/press-releases/news-details/2021/Logitech-G-Unveils-Its-Lightest-Most-Affordable-Sustainable-Wireless-Gaming-Headset-Yet/default.aspxRead 11 October 2026$79.99 MSRP in the launch release. Excludes 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.

€59.995Press articlenetzwelt.de/news/245482-jbl-bringt-drei-neue-headsets-gaming-nonstop-dual-akku-3d-sound.htmlRead 14 October 2026Quantum 250 priced at 59.99 EUR in Europe. hifi.de gives the same price on 20 August 2025. German retail prices include VAT.

Not available

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, EU1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026US page and EU page (logitechg.com/en-eu) are the two maker regions checked.2Maker product pagelogitechg.com/en-eu/products/gaming-audio/g435-wireless-bluetooth-gaming-headset.981-001050.htmlRead 11 October 2026

ColoursiThe maker's own colour names

Black, White, Purple, Teal1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Variations list: Purple, White, Teal, Black. The US launch reports name only black and white.

Black and Neon Yellow, Blue and Raspberry, Off White and Lilac1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 20262Maker product pagelogitechg.com/en-eu/products/gaming-audio/g435-wireless-bluetooth-gaming-headset.981-001050.htmlRead 11 October 2026

Segment

Gaming1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Features list: Gaming Headphone Yes.

Gaming1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Sold as a Logitech G gaming headset.

Design

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Form factor

Over-ear1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Features list: Over-ear Yes.

Over-ear7Reviewrtings.com/headphones/reviews/logitech/g435-lightspeed-wirelessRead 11 October 2026

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

Closed9Retailer pageldlc.com/en/product/PB00701687.htmlRead 14 October 2026LDLC spec table lists the headphone configuration as closed back.

Closed7Reviewrtings.com/headphones/reviews/logitech/g435-lightspeed-wirelessRead 11 October 2026Public summary results list Enclosure Closed-Back. Result cells are not read.12Reviewsoundguys.com/product/logitech-g-g435Read 11 October 2026Product page spec: Acoustic Design Closed-back.

Wearing style

Headband1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Soft headband with a mesh hammock.

Headband5Reviewsoundguys.com/logitech-g435-lightspeed-review-63579Read 11 October 2026

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

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

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RGB lighting

Not available

No6Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026Spec table lists Lighting: None.

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

Not available

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Drivers and sound

7 of 20 differ

Driver type

Dynamic2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Dynamic Driver. Marketed as 50mm carbon dynamic drivers.

Dynamic7Reviewrtings.com/headphones/reviews/logitech/g435-lightspeed-wirelessRead 11 October 2026Public summary results list Transducer Dynamic.

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

50mm2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Technical Specifications: driver size 50 mm / 1.97 in Dynamic Driver.

40mm1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

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

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Diaphragm material

Carbon damping7Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026JBL Japan launch text for the Quantum 950, 650 and 250 (Japanese): a carbon damping diaphragm, common to the three. The 250 sheet says a unique carbon damping material.

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Magnet

Neodymium7Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026Same article: neodymium magnet in the 50 mm driver, common to the three models.

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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 HzMax40 kHz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Frequency response 20 Hz to 40 kHz. Some retailer tables, such as Harvey Norman NZ, show 20 Hz to 20 kHz for the 250. The spec sheet, the quick start guide and the product page agree on 40 kHz, so 40 kHz is stored.

Min20 HzMax20 kHz1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Headphone frequency response 20 Hz - 20 kHz. No power state or standard is stated.

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.

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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.

32Ω2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Impedance 32 ohm. Power state not stated.

45Ω1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Maker labels it 45 Ohms (passive). The headset has no analog input, so no passive listening mode exists.

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.

100dB2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Sensitivity 100 dB SPL at 1 kHz. The product page adds 1 mW as the reference.

83.1dB1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Maker states 83.1 dB SPL/mW. A Latin American retailer lists 100 dB, which is not stored.

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

Per 1 mW1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026The page labels the figure Driver sensitivity at 1kHz/1mW. The value reads 100 dB SPL@1 kHz.

Per 1 mW1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

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

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Max input power

30mW2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Max input power 30 mW.

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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

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

Not available

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DAC

Not available

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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

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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.

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

Not available

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EQ presets

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Volume limit

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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.

JBL Quantum Spatial Sound1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Features list: Spatial Sound Yes. Product text: JBL Quantum Spatial Sound.

Dolby Atmos, Tempest 3D AudioTech, Windows Sonic Spatial Sound1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Maker states compatibility with Dolby Atmos, Tempest 3D AudioTech and Windows Sonic Spatial Sound. No licence is stated.

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

Not available

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Head tracking

No6Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026The article says the 250 has Quantum Spatial Sound without head tracking.

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Noise cancelling

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Active noise cancelling

No6Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026The article lists no battery and no wireless connectivity. The spec sheet lists no ANC. A headset without a battery has no active noise cancelling.

No5Reviewsoundguys.com/logitech-g435-lightspeed-review-63579Read 11 October 2026

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

Not available

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

Not available

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

Not available

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

Not available

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ANC attenuation (claimed)

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Transparency mode

Not available

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Adjustable transparency

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

Not available

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Wind noise reduction

Not available

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Measured

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

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Compared with SoundGuys house curve, sub-bass is under-emphasized, bass and midrange have slight extra emphasis, and treble falls off earlier than usual.5Reviewsoundguys.com/logitech-g435-lightspeed-review-63579Read 11 October 2026Measured with SoundGuys test rig and compared with its house curve.

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

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

Not available

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

Not available

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

Not available

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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

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

Not available

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

Not available

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

Not available

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

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Clearer than most embedded headphone microphones but not as good as a boom microphone.5Reviewsoundguys.com/logitech-g435-lightspeed-review-63579Read 11 October 2026SoundGuys recorded microphone demos in ideal and office conditions.

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

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

Not available

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

Not available

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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

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

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

Not available

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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.

AJBL Quantum 250

Not available

BLogitech G435 LIGHTSPEED

ANC	Lighting	Hours (h)
No	No	24.25

Source5Reviewsoundguys.com/logitech-g435-lightspeed-review-63579Read 11 October 202624 hours 15 minutes on one charge at a constant 75 dB SPL. The connection used is not stated.

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

Not available

24.25h=CalculatedFrom Measured battery life

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

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Microphone

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

Detachable boom2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Features: detachable boom mic.

Built-in1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Dual embedded beamforming microphones in the left ear cup. There is no boom.

Microphone element

Electret condenser2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Microphone type: ECM, an electret condenser microphone.

Not available

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

Cardioid2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026The spec table says Uni-directional. The features text says a 6mm unidirectional mic with Cardioid pattern, which names the pattern.

Not available

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

Not available

21Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Maker: dual beamforming mics. Stored as two voice microphones.12Reviewsoundguys.com/product/logitech-g-g435Read 11 October 2026Product page spec: microphone count 2, built-in with no boom.

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.

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

Min50 HzMax15 kHz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Microphone frequency response 50 Hz to 15 kHz.

Min100Max8,000Hz1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 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.

-40dB2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Microphone sensitivity -40 dBV/Pa at 1 kHz.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

DSP1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Maker: beamforming mics reduce background noise. No AI or app-based processing is named, so stored as dsp.

Flip to mute

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Mute button

Yes3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026Overview item 04: microphone mute/unmute control on the ear cup.10Retailer pagecoolblue.nl/en/product/967589/jbl-quantum-250-black.htmlRead 14 October 2026Same review: the user mutes with the button on the back of the headset.

Yes3Owner's manuallogitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdfRead 11 October 2026

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

Not available

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Sidetone

Not available

Yes3Owner's manuallogitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdfRead 11 October 2026

Adjustable sidetone

Not available

Yes3Owner's manuallogitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdfRead 11 October 2026Pages 9 and 10: sidetone is switched on and off and raised or lowered with Mute and Volume buttons.

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

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026What's in the Box: windshield foam for boom microphone.

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Connectivity

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

Analog2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Connects to any gaming platform with the 3.5mm audio cable. The headset has no battery and no radio.3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026Overview and connect pages show only the 3.5mm cable.

2.4 GHz, Bluetooth1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

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

Not available

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

3.5 mm3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026Overview item 05: 3.5mm audio jack on the headset. The boom microphone has its own audio jack (item 03).

Not available

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

1.5m2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Cable length 1.5 m.

1.8m6Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026Spec table lists the USB Type-C to Type-A charging cable at 6 feet (1.8 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.

Not available

USB-C6Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026

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

Not available

No6Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026Review: the USB-C port only allows charging and cannot be used for a wired connection.

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.

Yes6Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026The article says the 250 is wired only with no battery, so analog playback does not depend on headset power.

No6Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026Review: no analog 3.5 mm input and no wired fallback.

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

None1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026The spec sheet title says Wired multiplatform gaming headset. The box holds no dongle.

Included1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

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

Not available

USB-A1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

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

Not available

10m1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Up to 10 meters via LIGHTSPEED USB receiver or Bluetooth.

Bluetooth

Not available

Not available

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

Not available

SBC, AAC5Reviewsoundguys.com/logitech-g435-lightspeed-review-63579Read 11 October 2026Review: the G435 supports the AAC and SBC codecs.

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

No3Owner's manuallogitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdfRead 11 October 2026Page 4: G435 can connect to a single Bluetooth device at a time.

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.

Not available

No5Reviewsoundguys.com/logitech-g435-lightspeed-review-63579Read 11 October 2026Review: the headset cannot connect via the USB dongle and Bluetooth at the same time.

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

2 of 3 differ

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

Windows, macOS, iOS, Android, PS5, Xbox Series X|S, Nintendo Switch2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Windows, Mac, PlayStation, Xbox and Nintendo Switch with the 3.5mm audio cable. The guide adds mobile. Console generations are not named. They are stored as PS5, Xbox Series X|S and Nintendo Switch.3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026Connect page names PC, Mac, PlayStation, Xbox, handheld / Nintendo Switch and mobile.

Windows, macOS, PS5, PS4, Nintendo Switch, Nintendo Switch 2, Android, iOS1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Requirements: PC, Mac, PlayStation 4/5 over LIGHTSPEED. Nintendo Switch over Bluetooth. Nintendo Switch 2 over USB-A or Bluetooth. Bluetooth works with devices with Bluetooth audio, which covers phones.

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.

AJBL Quantum 250

Platform	Connection
Windows	Analog
macOS	Analog
PS5	Analog
Xbox Series X|S	Analog
Nintendo Switch	Analog
Android	Analog
iOS	Analog

Source3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026Connect page: PC, Mac, PlayStation, Xbox, handheld or Nintendo Switch and mobile, all with the 3.5mm audio cable. Mobile is stored as Android and iOS. Microphone support per platform is not documented.

BLogitech G435 LIGHTSPEED

Platform	Connection	Microphone works
Windows	2.4 GHz	Not available
macOS	2.4 GHz	Not available
PS5	2.4 GHz	Not available
PS4	2.4 GHz	Not available
Nintendo Switch	Bluetooth	Not available
Nintendo Switch 2	2.4 GHz	Not available
Nintendo Switch 2	Bluetooth	Not available
Android	Bluetooth	Not available
iOS	Bluetooth	Yes

Source1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Maker requirement lines: PlayStation 4 and 5 are USB wireless stereo only. Switch is Bluetooth. Switch 2 is USB-A or Bluetooth. Android is the generic Bluetooth audio case. Microphone support is not stated by the maker.6Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026Reviewer used Bluetooth phone calls on an iPhone 12 Pro Max, which supports the iOS microphone flag.

Official licence

Not available

Not available

Battery and charging

7 of 13 differ

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

Not available

240mAh8Retailer pageifixit.com/products/logitech-533-000201-battery-genuineRead 11 October 2026Genuine Logitech battery 533-000201, 240 mAh, 3.7 V, 0.888 Wh, listed as compatible with the G435 981-001049. Third-party 220 mAh listings are not used.

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

Not available

No9Owner's manualifixit.com/Guide/Logitech+G435+Battery+Replacement/192531Read 11 October 2026Replacement needs removal of the ear pad, speaker plate screws and circuit board. This is service repair, not normal use.

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

Not available

19Owner's manualifixit.com/Guide/Logitech+G435+Battery+Replacement/192531Read 11 October 2026Guide shows one battery in the left ear cup.

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.

AJBL Quantum 250

Not available

BLogitech G435 LIGHTSPEED

ANC	Lighting	Hours (h)
No	No	18

Source1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Play time 18 hrs. Connection and test volume are not stated. The headset has no ANC and no lighting.

Battery life (claimed, max)

Not available

18h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

Not available

Not available

Battery life without ANC (claimed)

Not available

18h=CalculatedFrom Claimed battery life

Charging port

None3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026The overview lists no charging port. The only port is the 3.5mm audio jack.

USB-C1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Use while charging

Not available

Not available

Charging dock or stand

Not available

Not available

Controls

2 of 6 differ

Controls

Buttons, Volume wheel3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026Overview: volume control and microphone mute/unmute on the ear cup.10Retailer pagecoolblue.nl/en/product/967589/jbl-quantum-250-black.htmlRead 14 October 2026Same review: a scroll wheel for volume and a button on the back to mute.

Buttons3Owner's manuallogitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdfRead 11 October 2026Power, Mute and Volume buttons only. Page 3 to 8.

Volume control

Wheel3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026Overview item 02: volume control on the ear cup. The Coolblue review calls it a scroll wheel on the back.10Retailer pagecoolblue.nl/en/product/967589/jbl-quantum-250-black.htmlRead 14 October 2026Review dated 27 August 2025 by a Coolblue gaming headset specialist: volume is adjusted with the scroll wheel on the back of the headset.

Buttons3Owner's manuallogitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdfRead 11 October 20266Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026

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

Not available

Not available

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

Not available

Not available

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

6 of 11 differ

Headband type

Suspension strap1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Ultra-light mesh hammock under the soft headband.

Not available

Headband material

Mesh hammock under a soft headband1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Mesh hammock under its soft headband.

Plastic with a thin fabric covering and no padding6Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026Review: the headband lacks padding and has a thin layer of fabric over the plastic.

Frame material

Not available

Plastic5Reviewsoundguys.com/logitech-g435-lightspeed-review-63579Read 11 October 2026Review describes a hollow all-plastic frame.

Ear cup material

Not available

Not available

Ear pad material

Memory foam with fabric cover2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Fabric ear cushions. JBL Japan adds memory foam ear pads.7Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026Same article: memory foam ear pads, common to the three models. The 250 sheet calls the covers fabric.

Memory foam with breathable fabric covering1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Ear cups are covered in breathable fabric with memory foam padding.

Replaceable ear pads

Yes1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Replaceable system: fabric ear cushions can be replaced. Spare parts are sold separately.

Yes10Owner's manualifixit.com/Guide/Logitech+G435+Ear+Pad+Removal/192503Read 11 October 2026Guide removes and refits the ear pads.

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.

Magnetic7Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026Same article: ear pads that attach and detach magnetically, common to the three models.

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

Boom microphone, Cable, Ear cushions, Mesh hammock1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Replaceable system: microphone, cable, fabric ear cushions and mesh hammock.

Ear pads3Owner's manuallogitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdfRead 11 October 2026Page 11 spare parts list: earpads, wireless USB receiver, charging cable. Only the earpads are stored because SoundGuys says Logitech does not sell the receiver on its own.

Software

1 of 3 differ

Companion app

JBL QuantumENGINE1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026Features: JBL QuantumENGINE dashboard. The guide says to download and install it.

Not available

App platforms

Not available

Not available

User firmware updates

Not available

Not available

Dimensions and weight

1 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.

282.6g(10 oz)2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026Weight 282.6 g. The sheet does not say whether the boom microphone and cable are included.

165g(5.8 oz)1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 20265.82 oz (165 g) in the maker dimension table. Microphone is built in.

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

Not available

Not available

Certifications

3 of 3 differ

Hi-Res Audio

Hi-Res Audio7Press articlegame.watch.impress.co.jp/docs/news/2086910.htmlRead 14 October 2026Same article: the Quantum 250 has Hi-Res certification for its detachable 3.5 mm wired connection. The English spec sheet does not mention it.

Not available

Communication certifications

Not available

Discord1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

FCC ID

Not available

Not available

Other certifications

Not available

Certified Carbon Neutral1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Maker sustainability section: Certified Carbon Neutral.

In the box

3 of 3 differ

In the box

Headset, Detachable boom microphone, Windshield foam for boom microphone, 3.5mm audio cable, Quick start guide, warranty card and warning card2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026What's in the Box list for the Quantum 250.

G435 Headset, LIGHTSPEED wireless USB-A receiver, USB-C to USB-A charging cable, User Documentation1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026Package contents table: headset, LIGHTSPEED wireless USB-A receiver, USB-C to USB-A charging cable, user documentation.

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

AJBL Quantum 250

Type	Length (m)	Count
3.5mm audio cable	1.5	1

Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x 3.5mm audio cable. Length from the Technical Specifications.

BLogitech G435 LIGHTSPEED

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

Source6Reviewtomshardware.com/reviews/logitech-g435-lightspeed-wireless-gaming-headsetRead 11 October 2026

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

Not available

None1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026The maker package list has no case or pouch.

Links

Not compared

Product page

id.jbl.com/en/over-ear-headphones/QUANTUM250.html1Maker product pageid.jbl.com/en/over-ear-headphones/QUANTUM250.htmlRead 14 October 2026JBL Indonesia product page for the Quantum 250. jbl.com blocks automated access. The page shows the same text and spec table as the US spec sheet.

www.logitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headset1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

Spec sheet

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdf2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe5a5fd94/pdfs/JBL_Quantum_250_Specsheet_EN.pdfRead 14 October 2026English spec sheet for the Quantum 250, copyright 2025. JBL also hosts an identical copy on the Indonesian site.

www.logitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headset1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

Manual

fr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdf3Owner's manualfr.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb716df28/pdfs/LS_JBL_Q250_QSG_USA.pdfRead 14 October 2026English and French quick start guide for the Quantum 250, US version, with the tech spec table.

www.logitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdf3Owner's manuallogitech.com/assets/66152/2/g435-wireless-gaming-headset-qsg.pdfRead 11 October 2026Multilingual setup guide. English pages 3 to 11.

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

1 of 1 differ

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

Not available

2years1Maker product pagelogitechg.com/en-us/shop/p/g435-wireless-bluetooth-gaming-headsetRead 11 October 2026

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