Headsets and headphones / Compare

JBL Quantum 250 vs Logitech G321 LIGHTSPEED

A

Product A: JBL

Quantum 250

54 of 161 known

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B

Product B: Logitech

G321 LIGHTSPEED

55 of 161 known

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Every value links to where we found it.

Only differences

AJBL Quantum 250

BLogitech G321 LIGHTSPEED

General

6 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).

981-001562, 981-001563, 981-001564, 981-001568, 981-001569, 981-001570, 981-0017721Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026US and CA store variants: 981-001562 Black, 981-001568 White, 981-001772 Pink. EU and UK store: 981-001563 Black and 981-001569 White. India store: 981-001564 Black and 981-001570 White.2Maker product pagelogitechg.com/en-eu/shop/p/g321Read 14 October 2026EU store lists 981-001563 Black and 981-001569 White.3Maker product pagelogitechg.com/en-in/shop/p/g321Read 14 October 2026India store lists 981-001564 Black and 981-001570 White.12Retailer pageharveynorman.co.nz/computers/computer-accessories-en/webcams-microphones-headsets/logitech-g321-lightspeed-gaming-wireless-over-ear-headset-black-981-001564.htmlRead 14 October 2026

GTIN / EAN

Not available

509920613331014Retailer pageshop.mdpcloud.com/headset-g321-lightspeed-wrl-white-981-001569-logitech-1463051Read 14 October 2026EAN 5099206133310 for 981-001569 White (EU).

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.

17 September 20256Press articleeftm.com/2025/09/logitech-unveils-a-range-of-new-gaming-devices-during-g-play-266936Read 14 October 2026Article dated 2025-09-18 reports Logitech unveiling the G321 at G PLAY 2025. Logitech's own Business Wire release is dated 2025-09-17 and was not readable by the agent.

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.

Available4Maker product pageweb.archive.org/web/20250917195207/https://www.logitechg.com/en-us/shop/p/g321Read 14 October 2026Live US store page lists the headset as in stock.

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

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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.

$59.991Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026The live US price is 59.99 USD. The launch price comes from the archived launch-day capture listed below.4Maker product pageweb.archive.org/web/20250917195207/https://www.logitechg.com/en-us/shop/p/g321Read 14 October 2026Archived US store page from 2025-09-17 lists 59.99 USD for 981-001562 and 981-001568. 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.

€69.997Press articlemobilissimo.ro/stiri-diverse/logitech-g-play-2025-aduce-produse-noi-pentru-pc-consola-si-zona-esports-headseturi-wireless-tastaturi-rapide-si-echipamente-de-sim-racingRead 14 October 2026Romanian launch coverage dated 2025-09-18 gives 69.99 EUR for the G321. VAT treatment is not stated. The Logitech EU store lists 69.99 EUR as the regular price.

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, CA, EU, GB, IN, NZ1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026US, CA, EU, GB and IN store pages list the headset. NZ is from the Harvey Norman NZ listing of 981-001564.2Maker product pagelogitechg.com/en-eu/shop/p/g321Read 14 October 2026EU and UK store pages.3Maker product pagelogitechg.com/en-in/shop/p/g321Read 14 October 2026India store page.12Retailer pageharveynorman.co.nz/computers/computer-accessories-en/webcams-microphones-headsets/logitech-g321-lightspeed-gaming-wireless-over-ear-headset-black-981-001564.htmlRead 14 October 2026Harvey Norman New Zealand sells 981-001564 Black and 981-001570 White.

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, White, Pink1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Black, White and Pink are the colour options on the live US page. Pink (981-001772) is listed under a 2026 update image folder and was not part of the 2025 launch.6Press articleeftm.com/2025/09/logitech-unveils-a-range-of-new-gaming-devices-during-g-play-266936Read 14 October 2026Article lists Black or White at the announcement.

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/g321Read 14 October 2026

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-ear12Retailer pageharveynorman.co.nz/computers/computer-accessories-en/webcams-microphones-headsets/logitech-g321-lightspeed-gaming-wireless-over-ear-headset-black-981-001564.htmlRead 14 October 2026Retailer title and description: Over-Ear Headset.

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.

Closed8Reviewpcgamer.com/hardware/gaming-headsets/logitech-g321-lightspeed-reviewRead 14 October 2026Specs panel: Type Closed back.13Retailer pagecoolblue.nl/en/product/974931/logitech-g321-lightspeed-wireless-gaming-headset-black.htmlRead 14 October 2026Spec tab: Ear cups design Closed design.

Wearing style

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

Headband1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Headband design with ear cups, shown on the maker product images.

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.

Not available

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RGB lighting

Not available

No8Reviewpcgamer.com/hardware/gaming-headsets/logitech-g321-lightspeed-reviewRead 14 October 2026Review: it comes with no RGB to adjust in software or drain the battery.

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

Not available

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Drivers and sound

8 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.

Not available

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/g321Read 14 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.

Not available

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.

Neodymium13Retailer pagecoolblue.nl/en/product/974931/logitech-g321-lightspeed-wireless-gaming-headset-black.htmlRead 14 October 2026Spec tab lists the driver type as Neodymium, which is stored as the magnet.

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/g321Read 14 October 2026Headphone frequency response 20-20 kHz. Maker does not state a test standard or power state.

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

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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.

32Ω13Retailer pagecoolblue.nl/en/product/974931/logitech-g321-lightspeed-wireless-gaming-headset-black.htmlRead 14 October 2026Spec tab: Impedance 32 O for manufacturer code 981-001563. No test frequency or power state is given. A distributor feed for 981-001569 also lists 32 ohm.14Retailer pageshop.mdpcloud.com/headset-g321-lightspeed-wrl-white-981-001569-logitech-1463051Read 14 October 2026Feed lists 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.

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.

Not available

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.

Not available

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.

Not available

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

Not available

Not available

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

Not available

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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

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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.

Not available

No8Reviewpcgamer.com/hardware/gaming-headsets/logitech-g321-lightspeed-reviewRead 14 October 2026Review: no connection to Logitech G HUB and no drivers, so the EQ cannot be adjusted. The same review also says the headset can be used wired. That wired claim is not stored because the maker lists only 2.4 GHz and Bluetooth and Windows Central says there is no wired connectivity.9Reviewwindowscentral.com/accessories/headphones/logitech-g321-lightspeed-reviewRead 14 October 2026Review: no onboard memory or swappable audio profiles, and no software support to customize equalizers.

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

Not available

Not available

EQ presets

Not available

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Volume limit

Not available

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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.

Not available

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

Not available

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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.

Not available

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.

No10Reviewpcgamesn.com/logitech/G321Read 14 October 2026Hands-on at Logitech G PLAY: no active noise cancellation, only passive isolation.

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

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ANC attenuation (claimed)

Not available

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Transparency mode

Not available

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Adjustable transparency

Not available

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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

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Measured

None of 21 known

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

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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

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

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

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

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

Not available

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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

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

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

Not available

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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.

Not available

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

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Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

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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

10 of 16 differ

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.

Fixed boom8Reviewpcgamer.com/hardware/gaming-headsets/logitech-g321-lightspeed-reviewRead 14 October 2026Review: you can't unplug the microphone, but it tucks away fairly cleanly. Flip-to-mute with a jingle.

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.

Omnidirectional1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Maker microphone table: Pick-up Pattern Omni-directional.

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

Not available

112Retailer pageharveynorman.co.nz/computers/computer-accessories-en/webcams-microphones-headsets/logitech-g321-lightspeed-gaming-wireless-over-ear-headset-black-981-001564.htmlRead 14 October 2026Spec table: Number of Microphones 1, built-in boom microphone.

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.

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.

Not available

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

16kHz1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Maker table: Sampling Rate up to 16 bit/16 kHz. The product text calls it a 16 kHz flip-to-mute mic. The audio route is not published.

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

Not available

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Flip to mute

Not available

Yes1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026

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.

No5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 6: muting is done by flipping the microphone up. The controls list has no mute button.

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

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Adjustable sidetone

Not available

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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/g321Read 14 October 2026

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.

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.

Not available

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-C1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Maker lists a USB-C charging port. No wired audio mode is published by the maker.

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

Not available

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.

Not available

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/g321Read 14 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/g321Read 14 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/g321Read 14 October 2026Maker states 10 m, measured by line of sight, and may vary with interference. The connection it applies to is not named.

Bluetooth

Not available

5.21Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026

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

No5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 4: G321 can connect to a single Bluetooth device at a time.9Reviewwindowscentral.com/accessories/headphones/logitech-g321-lightspeed-reviewRead 14 October 2026Review: no multi-source audio mixing. The setup guide states 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

15Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 4: a single Bluetooth device at a time.

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

No5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 5: a single quick press of the Bluetooth button switches between LIGHTSPEED and Bluetooth. Only one is active at a time.9Reviewwindowscentral.com/accessories/headphones/logitech-g321-lightspeed-reviewRead 14 October 2026Review: no multi-source audio mixing, and a single-press button switches between Bluetooth and 2.4 GHz modes.

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/g321Read 14 October 2026Maker badge: Compatible with PS5, PC, Nintendo Switch / Switch 2. LIGHTSPEED needs Windows or macOS with a USB 2.0 port. The text says Bluetooth works for mobile games and with any device that supports Bluetooth 5.2.5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 3 names PC, Mac, PlayStation 5 and 4 for LIGHTSPEED.

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 G321 LIGHTSPEED

Platform	Connection
Windows	2.4 GHz
macOS	2.4 GHz
PS5	2.4 GHz
PS4	2.4 GHz

Source5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 3: connect to PC, Mac, PlayStation 5 or 4 with LIGHTSPEED Wireless Technology by inserting the receiver in the USB port. Switch and mobile connection paths are not documented in the guide.

Official licence

Not available

Not available

Battery and charging

5 of 13 differ

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

Not available

290mAh14Retailer pageshop.mdpcloud.com/headset-g321-lightspeed-wrl-white-981-001569-logitech-1463051Read 14 October 2026Distributor spec feed for 981-001569 lists a built-in battery of 290 mAh. No maker document or teardown states the capacity.

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.

AJBL Quantum 250

Not available

BLogitech G321 LIGHTSPEED

Hours (h)
20

Source1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Maker states more than 20 hours of continuous playing at 78 dB SPL after a full charge when the product is stably connected. The connection used in the claim is not named. 20 is stored as the lower bound of the claim.

Battery life (claimed, max)

Not available

20h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

Not available

Not available

Battery life without ANC (claimed)

Not available

Not available

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/g321Read 14 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

Yes11Reviewgamingtrend.com/logitech-g321-lightspeed-gaming-headset-review-does-its-job-and-clocks-outRead 14 October 2026Review: the headset charges quickly and can be used while charging. Connection used while charging is not stated.

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.

Buttons5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English pages 6-7: power slider, Bluetooth button, volume buttons and a flip-up microphone. Also covers the battery LED.8Reviewpcgamer.com/hardware/gaming-headsets/logitech-g321-lightspeed-reviewRead 14 October 2026

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.

Buttons5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 6: use volume buttons to adjust volume level.8Reviewpcgamer.com/hardware/gaming-headsets/logitech-g321-lightspeed-reviewRead 14 October 2026Review: volume controls on the left earcup are big buttons, not a wheel.

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

5 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.

Padded1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Maker text: thick 15 mm headband padding.

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.

Not available

Frame material

Not available

Not available

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 high elasticity knit fabric1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Maker text: 21 mm memory foam ear cups and high elasticity knit fabric.

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.

Yes5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 9 lists earpads as spare parts.

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.

Earpads, Wireless USB Receiver, Charging Cable5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026English page 9, Spare parts: earpads, wireless USB receiver and charging cable.

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.

210g(7.4 oz)1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Maker dimensions table lists weight 210 g (7.41 oz). Whether the figure includes the boom microphone is not stated.

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

2 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

Not available

FCC ID

Not available

Not available

Other certifications

Not available

Certified post-consumer recycled plastic, minimum 28% of plastic parts, FSC-certified paper packaging1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026Maker sustainability section: plastic parts include certified post-consumer recycled plastic (minimum 28%, excluding the printed wiring assembly and packaging). Paper packaging comes from FSC-certified forests and other controlled sources.

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.

G321 LIGHTSPEED Wireless Gaming Headset, USB-A LIGHTSPEED Wireless Receiver, USB-C to USB-A Charging Cable, User Documentation1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 October 2026

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 G321 LIGHTSPEED

Type	Count
USB-C to USB-A charging cable	1

Source1Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 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/g321Read 14 October 2026The complete in-the-box 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/g3211Maker product pagelogitechg.com/en-us/shop/p/g321Read 14 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.

Not available

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/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdf5Owner's manuallogitech.com/content/dam/support/g-audio/g321/g321-lightspeed-setup-guide-amr.pdfRead 14 October 2026

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/g321Read 14 October 2026

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