Headsets and headphones / Compare

JBL Quantum 650X vs Turtle Beach Stealth Pro II (Xbox)

A

Product A: JBL

Quantum 650X

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B

Product B: Turtle Beach

Stealth Pro II (Xbox)

82 of 161 known

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Every value links to where we found it.

Only differences

AJBL Quantum 650X

BTurtle Beach Stealth Pro II (Xbox)

General

5 of 8 differ

Series

Quantum2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026JBL Quantum gaming line.

Stealth Pro1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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

JBLQTUM650XBLKAM6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026US retailer SKU JBLQTUM650XBLKAM for the Quantum 650X. Its spec list repeats the maker's 650X sheet.

TBS-2104-051Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Maker structured product offers map TBS-2104-05 to Xbox Black. PC/PlayStation TBS-5105-05 is a different edition. No unsafe PC variant is included.

GTIN / EAN

Not available

8404544007556Retailer pagemicrocenter.com/product/710992/turtle-beach-stealth-pro-ii-xb-blackRead 8 October 2026Mfr Part TBS-2104-05 and UPC 840454400755 identify exact Xbox Black retail package.

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

5 January 20265Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026SoundGuys article dated 5 January 2026 covers the CES 2026 reveal of the 950X, 650X and 250 for the US.

16 April 20263Press releasecorp.turtlebeach.com/news/news-details/2026/TURTLE-BEACH-UNVEILS-THE-ALL-NEW-STEALTH-PRO-II-WIRELESS-GAMING-HEADSET----FLAGSHIP-SOUND-COMFORT-AND-FLEXIBILITY--WITHOUT-COMPROMISE-2026-4_w7od5YE-/default.aspxRead 8 October 2026Maker announcement dated April 16, 2026. It names both platform editions.

Status

Available6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026US listing in stock at $199.95.

Available1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

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

$199.955Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026CES 2026 report: Quantum 650X priced at $199.95 MSRP. Fonearena and Phileweb give the same US price. US price before sales tax.

$349.993Press releasecorp.turtlebeach.com/news/news-details/2026/TURTLE-BEACH-UNVEILS-THE-ALL-NEW-STEALTH-PRO-II-WIRELESS-GAMING-HEADSET----FLAGSHIP-SOUND-COMFORT-AND-FLEXIBILITY--WITHOUT-COMPROMISE-2026-4_w7od5YE-/default.aspxRead 8 October 2026Announcement gives MSRP $349.99 for both Xbox and PC editions. US launch price excluding sales tax, separate from current discounts.

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.

Not available

€349.993Press releasecorp.turtlebeach.com/news/news-details/2026/TURTLE-BEACH-UNVEILS-THE-ALL-NEW-STEALTH-PRO-II-WIRELESS-GAMING-HEADSET----FLAGSHIP-SOUND-COMFORT-AND-FLEXIBILITY--WITHOUT-COMPROMISE-2026-4_w7od5YE-/default.aspxRead 8 October 2026Announcement gives European retail MSRP EUR 349.99 for both editions, as published. Exact Xbox TBS-2104-05 is also sold with the same UPC in EU retail. Euro launch price includes VAT as published.

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

Not available

US6Retailer pagemicrocenter.com/product/710992/turtle-beach-stealth-pro-ii-xb-blackRead 8 October 2026

ColoursiThe maker's own colour names

Black7Retailer pageshop.ubreakifix.com/products/quantum-650x-wireless-bluetooth-over-ear-gaming-headset-17Read 14 October 2026US listing names the Quantum 650X in Black. The SKU ends in BLK. Other colors of the 650 sold outside the US (white, purple, teal) are not listed for the 650X.

Black1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Segment

Gaming2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The sheet calls it a wireless gaming headset.

Gaming1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Design

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Form factor

Over-ear6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026Feature list: Over-ear.

Over-ear1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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

Closed8Retailer pageldlc.com/en/product/PB00740266.htmlRead 14 October 2026LDLC spec table for the Quantum 650 (non-X, same hardware) lists the headphone configuration as closed back. The same table has errors elsewhere, so only this value is used.

Closed4Reviewtomshardware.com/peripherals/gaming-headsets/turtle-beach-stealth-pro-ii-reviewRead 8 October 2026Audio Performance describes this model as a closed-back gaming headset.

Wearing style

Headband2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Soft headband with a mesh hammock and a sliding arm.

Headband1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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

Not available

Flat1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Premium Design states aluminum-reinforced lay-flat design. Tom's Hardware confirms 90-degree cup swivel. No inward fold is claimed.

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

Not available

Yes1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

RGB lighting

Not available

No4Reviewtomshardware.com/peripherals/gaming-headsets/turtle-beach-stealth-pro-ii-reviewRead 8 October 2026Specs table: Lighting None. Status LEDs are separate from decorative RGB.

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

Not available

Not available

Drivers and sound

14 of 20 differ

Driver type

Dynamic2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Dynamic Driver. Marketed as 50mm carbon dynamic drivers.

Dynamic4Reviewtomshardware.com/peripherals/gaming-headsets/turtle-beach-stealth-pro-ii-reviewRead 8 October 2026Audio Performance explicitly calls Eclipse dual drivers 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/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Dimension Specifications: driver size 50 mm Dynamic Driver.

60mm1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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

Not available

21Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 202660 mm Eclipse dual drivers have separate woofer and tweeter sections per ear cup. This is two sound-producing drivers per side, not two total for stereo.12Reviewtomsguide.com/gaming/gaming-peripherals/turtle-beach-stealth-pro-ii-reviewRead 8 October 2026Excellent sound quality section explicitly says 60 mm woofer and separate tweeter in each ear cup. Its erroneous 40-hour combined battery summary and dongle/BT multipoint conflation are not used.

Diaphragm material

Carbon damping4Press 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 650X sheet says a unique carbon damping material.

Not available

Magnet

Neodymium4Press 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.

Not available

Frequency response (wired or passive)iPublished acoustic range for wired listening, or the maker’s single range when no mode is distinguished. Power state and test standard belong in the source note.

Min20 HzMax40 kHz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Frequency response (Passive) 20 Hz to 40 kHz. The quick start guide labels the same range USB Audio. Test standard not stated.

Min10 HzMax40 kHz1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Single published speaker acoustic range 10 Hz to 40 kHz. No connection-specific transmission band is inferred.

Wireless audio transmission bandiFrequency range of audio transmitted over the wireless connection, not the acoustic response of the driver. Codec, sampling rate and bitrate conditions belong in the source note. When the maker gives a range per codec, the widest range is stored and its codec goes in the source note.

Not available

Not available

Impedance (passive when specified)iUse the headset-off value for a passive analog connection when the maker publishes both powered and passive values. Note the power state and test frequency.

32Ω2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Impedance 32 ohm. Power state not stated.

Not available

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.

88.6dB2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Sensitivity 88.6 dB SPL at 1 kHz and 1 mW. Maximum SPL is 95 dB. This is 12.4 dB below the 950X, which the sheets print as 101 dB.

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 mW2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Printed as 1 mW.

Not available

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

Not available

Not available

Max input power

30mW2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_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

96kHz1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Certified High Resolution Wireless Audio explicitly gives 24-bit/96 kHz over the 2.4 GHz USB receiver path on compatible PC/system output. Xbox and PlayStation are limited to 16-bit/48 kHz. This is not a Bluetooth guarantee.

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

Not available

24bits1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Same compatible-system 2.4 GHz playback claim. It is distinct from microphone sampling.

DAC

Not available

Not available

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

Not available

Not available

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

Not available

Yes8Reviewmkaugaming.com/all-review-list/turtle-beach-stealth-pro-ii-review-the-550-heavyweightRead 8 October 2026Xbox Edition review, tested Xbox Series X, Windows 11 and Pixel 10 Pro Fold. Software section explicitly says settings save to the headset and EQ carried from phone to Xbox without a background app.

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

Not available

108Reviewmkaugaming.com/all-review-list/turtle-beach-stealth-pro-ii-review-the-550-heavyweightRead 8 October 2026Software section explicitly identifies 10-band custom playback EQ. Microphone EQ is separate.

EQ presets

Not available

Bass Boost, Signature Sound, Treble Boost, Vocal Boost1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Volume limit

Not available

Not available

Spatial audio

2 of 3 differ

Spatial audio supportiNamed headset or host spatial-audio systems that the maker or reviewer explicitly supports. A platform feature may require compatible hardware, software or a separate licence.

JBL Quantum Spatial Sound2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Features: JBL Quantum Spatial Sound.

Dolby Atmos1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Dolby Atmos on Xbox and PC. An included paid licence is not established by this support claim.

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

Not available

Not available

Head tracking

No5Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026The article says the 650X omits head tracking and active noise cancellation compared with the 950X.

Not available

Noise cancelling

3 of 10 differ

Active noise cancelling

No5Press articlesoundguys.com/jbl-quantum-gaming-headset-ces-2026-150286Read 14 October 2026Same sentence: the 650X omits active noise cancellation. The spec sheet lists no ANC.

Yes1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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

41Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Four microphones explicitly used for ANC. Additional voice microphones are not counted here.

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

Not available

Not available

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

Not available

Not available

ANC attenuation (claimed)

Not available

25dB1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Advanced Active Noise Cancellation states up to 25 dB. Frequency and measurement method are not published. This is a maker claim, not independent measurement.

Transparency mode

Not available

Not available

Adjustable transparency

Not available

Not available

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

Not available

Not available

Wind noise reduction

Not available

Not available

Measured

2 of 21 differ

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

Not available

Warm tuning with narrow treble peaks and dips. Wired and wireless frequency response stays similar.5Measurementrtings.com/headphones/reviews/turtle-beach/stealth-pro-iiRead 8 October 2026Public Audio Reproduction Accuracy paragraph. Exact Black Xbox sample documented in Differences Between Sizes And Variants, Methodology 2.3. Numeric scores and test settings are locked, so no protected data or inferred values are used.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Boom microphone over the dongle with AI Noise Reduction keeps speech intelligible against loud steady background noise.5Measurementrtings.com/headphones/reviews/turtle-beach/stealth-pro-iiRead 8 October 2026Public Microphone verdict. Exact Black Xbox sample, boom mic, dongle, AI Noise Reduction enabled. Test Bench 2.3. Firmware and numeric speech-to-noise results are unavailable.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Measured latencyiEnd-to-end latency measured by a reviewer for a specific connection, platform and codec. Firmware, method and operating mode belong in the source note.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Measured battery lifeiReviewer’s continuous playback test. State the connection, ANC and lighting where known. Unknown settings stay omitted and are described in the source note.

Not available

Not available

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

Not available

Not available

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

Microphone

9 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/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Features: detachable boom mic.

Detachable boom1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Microphone element

Not available

Not available

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

Cardioid2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Microphone pickup pattern: Cardioid. The text calls it a 6mm unidirectional mic with Cardioid pattern.

Unidirectional1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Maker says uni-directional. Cardioid or other narrower pattern is not inferred.

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

Not available

Not available

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.

Min100Max8,000Hz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Microphone frequency response 100 Hz to 8 kHz.

Min100 HzMax16 kHz1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Technical Specifications Microphone Frequency: 100 Hz to 16 kHz. Digital sampling rate is separate. PC edition 32 kHz sampling is not stored for Xbox.

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_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

AI1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Flip to mute

Not available

Yes1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Mute button

Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 04: microphone mute/unmute control on the ear cup.

No2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 October 2026Complete Xbox control map has no dedicated mute button. Boom mic flips to mute. Mode button and mix wheel are remappable, so this is default supplied control mapping.

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

Not available

Sidetone

Not available

Yes8Reviewmkaugaming.com/all-review-list/turtle-beach-stealth-pro-ii-review-the-550-heavyweightRead 8 October 2026Reviewer tested microphone monitoring on the exact Xbox edition. It is quiet by default.

Adjustable sidetone

Not available

Yes8Reviewmkaugaming.com/all-review-list/turtle-beach-stealth-pro-ii-review-the-550-heavyweightRead 8 October 2026Mic-monitor slider is adjustable in Swarm II. Review describes increasing it beyond 85 percent.

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/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: windshield foam for boom microphone.

Not available

Connectivity

7 of 20 differ

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

USB, 2.4 GHz, Bluetooth2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Dual wireless with the 2.4 GHz dongle and Bluetooth 5.3, plus wired use with the included USB-C cable. No analog cable is in the box.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026USB audio, 2.4 GHz and Bluetooth pages. Charging and USB audio share the headset USB-C port.

USB, 2.4 GHz, Bluetooth1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Product headline explicitly supports wired high-resolution audio. Exact Xbox QSG confirms USB-C PC audio playback. 2.4 GHz and simultaneous Bluetooth are explicit.

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

Not available

Not available

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

USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 06: USB-C port. It carries charging and USB audio.

Not available

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

Not available

2m1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Headset USB plug or portiUSB plug or port on the headset or its included wired audio adapter. A charging-only USB port can appear here.

USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 06: USB-C port on the headset.

USB-C1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 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.

Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026USB audio page: use the cable to connect the headset to PC, Mac, Nintendo Switch, mobile or PS5.

Yes1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Passive wired listeningiAnalog playback works with the headset powered off or its battery empty. An active analog converter that needs headset power does not count.

Not available

No5Measurementrtings.com/headphones/reviews/turtle-beach/stealth-pro-iiRead 8 October 2026Public Travel verdict explicitly states there is no 3.5 mm input. Exact Xbox QSG only documents active USB-C playback, not passive analog.

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

Included2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x USB wireless dongle. The guide names it QUANTUM 650X TM.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Dongle model QUANTUM 650X TM.

Included1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 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-A11Reviewtomshardware.com/peripherals/gaming-headsets/turtle-beach-stealth-pro-ii-reviewRead 8 October 2026In the Box explicitly includes wireless USB-A transmitter. Charging/transmitter dock has USB-C cable input, but the standalone supplied receiver has native USB-A. Cable adapters do not make it Both.

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

Not available

Bluetooth

5.32Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Bluetooth version V5.3. Profiles A2DP V1.4 and HFP V1.9. Codecs are not stated.

5.31Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 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

LDAC10Reviewrtings.com/headphones/reviews/turtle-beach/stealth-pro-iiRead 8 October 2026Differences section explicitly identifies tested Black Xbox sample. Public comparisons explicitly state LDAC for higher-quality Bluetooth streaming. Maker FAQ distinguishes PC-edition 24-bit/96kHz Hi-Res Bluetooth, without naming Xbox codecs. Exact firmware is locked. No Xbox 24-bit/96kHz Bluetooth capability, launch-time LDAC or LC3plus Bluetooth support is inferred.

LE AudioiLE Audio playback support. Bluetooth Low Energy for app control alone does not count.

Not available

Not available

AuracastiAuracast broadcast audio support. Required phone, firmware and app conditions belong in the source note.

Not available

Not available

Bluetooth multipointiCan remain connected to multiple Bluetooth source devices at once. Mixing Bluetooth with a proprietary dongle is a separate field. A maker's dual connection to two Bluetooth devices at once counts.

Not available

Not available

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

Not available

Not available

Paired devices remembered

Not available

Not available

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

Not available

Yes1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Fast pairing

Not available

Not available

Base station

Not available

CrossPlay 2.0 transmitter dock with spare-battery charging slot2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 October 2026CrossPlay 2.0 connects up to four receiver sources with switching. The supplied dock plus one USB-A transmitter provide two receiver sources. Additional transmitters are sold separately.

Latency

1 of 2 differ

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.

AJBL Quantum 650X

Connection	Mode	Latency (ms)
USB	Wired USB audio	30

Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Wired USB audio with latency under 30ms. Stored as 30 ms and published as under 30 ms. No figure is published for 2.4 GHz.

BTurtle Beach Stealth Pro II (Xbox)

Not available

Compatibility

3 of 3 differ

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

Windows, macOS, iOS, Android, Xbox Series X|S, PS5, Nintendo Switch2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Windows, Mac, iPhone, iPad, Android, Xbox, PlayStation and Nintendo Switch. The sheet says Xbox without a console generation. It is stored as Xbox Series X|S. PlayStation is stored as PS5, the only generation the guide names.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Connection pages name Xbox, PC, Mac, Nintendo Switch, PlayStation, PS5 and mobile.

Xbox Series X|S, Xbox One, PS5, PS4, Windows, Android, iOS1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Exact Xbox model maker platform list plus named iOS and Android app/mobile support. Platform routes are separately documented. No Nintendo or Mac support is inferred.

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 650X

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

Source3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Power on and connect (Xbox): 2.4 GHz to Xbox. Power on and connect: 2.4 GHz to PC, Mac, Nintendo Switch and PlayStation. USB audio: PC, Mac, Nintendo Switch, mobile and PS5. The Bluetooth page shows pairing from a phone. Mobile is stored as Android and iOS. PlayStation on 2.4 GHz has no console generation and is stored as PS5. Microphone support is not documented per platform.

BTurtle Beach Stealth Pro II (Xbox)

Platform	Connection
Xbox Series X|S	2.4 GHz
Xbox One	2.4 GHz
PS5	2.4 GHz
PS4	2.4 GHz
Windows	2.4 GHz
Windows	USB
Android	Bluetooth
iOS	Bluetooth

Source2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 October 2026Xbox setup uses dock Xbox switch and USB host cable for the 2.4 GHz link. Optional included dongle plugs into PC/PlayStation. USB-C port explicitly carries PC audio. Phone call controls are documented over Bluetooth. Mobile OS and PS4/5 compatibility are confirmed on maker page. Unknown mic support cells remain omitted.

Official licence

Not available

Xbox Series X|S, Xbox One1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Battery and charging

9 of 13 differ

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

700mAh2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Battery type lithium-ion, 3.7 V and 700 mAh. One replaceable battery is in the box.

Not available

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

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The rechargeable battery can be replaced quickly. A spare battery is sold separately.

Yes1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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

12Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x Replaceable battery.

21Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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 650X

Connection	Hours (h)
2.4 GHz	45
Bluetooth	60

Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Music play time up to 45 hrs with only 2.4GHz on and up to 60 hrs with only BT on. Talk time figures (30 hrs and 39 hrs) are not stored. The headline 45 hours matches the 2.4 GHz row. ANC does not apply.

BTurtle Beach Stealth Pro II (Xbox)

Hours (h)
40

Source1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Two packs rated up to 40 hours EACH. Stored 40 hours per one active headset battery, not 80 hours combined. ANC, connection, volume and codec conditions are not stated.

Battery life (claimed, max)

60h=CalculatedFrom Claimed battery life

40h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

Not available

Not available

Battery life without ANC (claimed)

Not available

Not available

Charging port

USB-C3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 06: USB-C port. The charging page shows the USB-C cable.

USB-C1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026USB-C on the headset. The included dock charges the spare removable pack separately.

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

180min2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Charging time < 3 hrs from empty. Stored as 180 minutes, the upper bound.

Not available

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

5min3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Charging page: 5 MIN gives 2 H of music playback. Full charge takes 3 H.

Not available

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

2h3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Charging page: 5 MIN gives 2 H of music playback.

Not available

Use while charging

Not available

Yes5Measurementrtings.com/headphones/reviews/turtle-beach/stealth-pro-iiRead 8 October 2026Wired Gaming public verdict says active battery charges while wired and in use.7Maker product pageuk.turtlebeach.com/blog/how-long-should-gaming-headset-battery-lastRead 8 October 2026Maker battery-life guide states Turtle Beach wireless headsets support play-while-charging via USB-C, and its table explicitly includes Stealth Pro II. Independently confirmed on exact Black Xbox RTINGS sample.

Charging dock or stand

Not available

Included1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Controls

3 of 6 differ

Controls

Not available

Buttons, Volume wheel, Chat mix wheel2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 October 2026

Volume control

Not available

Wheel2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 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.

Hardware dial3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview item 10: game audio-chat balance dial.

Hardware dial2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 October 2026Controls page labels Game/Chat Mix wheel. Exact maker FAQ restricts Xbox-edition game/chat balance to Xbox. PC game/chat firmware additions were searched but not established from an accessible exact maker changelog.

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

Not available

Yes1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

7 of 11 differ

Headband type

Suspension strap2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Light mesh hammock under the soft headband.

Suspension strap3Press releasecorp.turtlebeach.com/news/news-details/2026/TURTLE-BEACH-UNVEILS-THE-ALL-NEW-STEALTH-PRO-II-WIRELESS-GAMING-HEADSET----FLAGSHIP-SOUND-COMFORT-AND-FLEXIBILITY--WITHOUT-COMPROMISE-2026-4_w7od5YE-/default.aspxRead 8 October 2026Announcement explicitly says mesh fabric suspension headband.

Headband material

Mesh hammock under a soft headband2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Mesh hammock under the soft headband.

Mesh fabric3Press releasecorp.turtlebeach.com/news/news-details/2026/TURTLE-BEACH-UNVEILS-THE-ALL-NEW-STEALTH-PRO-II-WIRELESS-GAMING-HEADSET----FLAGSHIP-SOUND-COMFORT-AND-FLEXIBILITY--WITHOUT-COMPROMISE-2026-4_w7od5YE-/default.aspxRead 8 October 2026

Frame material

Not available

Anodized aluminum1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Ear cup material

Not available

Soft-touch plastic with metal speaker plates4Reviewtomshardware.com/peripherals/gaming-headsets/turtle-beach-stealth-pro-ii-reviewRead 8 October 2026Design and Comfort explicitly states plastic earcups and machined metal plates.

Ear pad material

Memory foam with fabric cover2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Fabric ear cushions. JBL Japan adds memory foam ear pads for the 650.

Athletic weave fabric and memory foam1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Replaceable ear pads

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The fabric ear cushions can be replaced. Spare parts are sold separately.

Not available

Ear pad attachmentiHow a replacement ear pad attaches to the ear cup, not how the decorative outer cover attaches. A press-fit or snap-on pad counts as clip.

Magnetic4Press 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 hammock, Battery, Headset cap2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Microphone, cable, fabric ear cushions and mesh hammock. The guide adds the battery and the headset cap.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Overview items 09 and 11: replaceable battery and replaceable headset cap.

Battery packs, Detachable boom microphone2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 October 2026QSG describes replacing the battery beneath the magnetic outer plate and detachable boom mic. Decorative speaker plate is not an ear pad.

Software

2 of 3 differ

Companion app

JBL QuantumENGINE and JBL Quantum App2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026JBL QuantumENGINE dashboard. The guide also points to the JBL Quantum App.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Download JBL QuantumENGINE or the JBL Quantum App.

Turtle Beach Swarm II1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

App platforms

Not available

Windows, iOS, Android1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

User firmware updates

Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026The JBL QuantumENGINE dashboard can update the headset firmware.

Yes1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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.

331.5g(11.7 oz)2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Weight 331.5 g. The sheet does not say whether the boom microphone and battery are included.

382g(13.5 oz)1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Technical Specifications explicitly distinguishes 382 g without detachable boom microphone from 393 g with it attached.

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

Not available

Hi-Res Audio Wireless1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Japan Audio Society certified Hi-Res Audio Wireless, explicitly stated. The general wired high-resolution claim does not prove a separate wired certification.

Communication certifications

Zoom certified2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026Zoom certification: the headset meets the technical and sound qualifications.

Not available

FCC ID

APIJBLQ650X3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026Compliance label drawing on the last page: headset FCC ID APIJBLQ650X, dongle FCC ID APIJBLQ650XTM.

Not available

Other certifications

Not available

Not available

In the box

3 of 3 differ

In the box

Headset, Detachable microphone, Windshield foam for boom microphone, USB wireless dongle, USB-C cable, USB-C to USB-A converter, Replaceable battery, Quick start guide, warranty card and warning card2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box list for the Quantum 650X. It includes the USB-C to USB-A converter, which the Quantum 650 list does not.

Stealth Pro II for Xbox headset, Detachable boom microphone, CrossPlay transmitter dock, 2 rechargeable batteries, USB wireless transmitter, USB-A to USB-C cable, Hard-shell storage case2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 October 2026Package Contents page names this exact Xbox package. QSG lists two batteries total, including installed pack.

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

AJBL Quantum 650X

Type	Count
USB-C cable	1

Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026What's in the Box: 1 x USB-C cable. The converter is an adapter and is not counted here. Length is not stated.

BTurtle Beach Stealth Pro II (Xbox)

Type	Length (m)	Count
USB-A to USB-C charging and transmitter cable	2	1

Source1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

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

Not available

Hard1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Links

Not compared

Product page

www.jbl.com/QUANTUM650X.html1Maker product pagejbl.com/QUANTUM650X.htmlRead 14 October 2026Official JBL US product page for the 650X. jbl.com blocks automated access, so the page itself was not read. Stored values come from the spec sheet and the quick start guide.

www.turtlebeach.com/products/stealth-pro-ii-headset1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026

Spec sheet

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdf2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5eee2bf3/pdfs/JBL_Quantum_650X_Specsheet_EN.pdfRead 14 October 2026English spec sheet for the Quantum 650X, copyright 2026. It matches the Quantum 650 sheet except for the Xbox mentions, Bluetooth HFP V1.9, a 13 dBm dongle and the USB-C to USB-A converter in the box.

www.turtlebeach.com/products/stealth-pro-ii-headset1Maker product pageturtlebeach.com/products/stealth-pro-ii-headsetRead 8 October 2026Technical Specifications section of this exact maker product page. No separate maker datasheet PDF was found.

Manual

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdf3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2bb9b59e/pdfs/LS_JBL_Quantum_650X_QSG_NAM_FR_EN.pdfRead 14 October 2026English and French quick start guide for the 650X wireless, North America version, with the tech spec table.

cdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdf2Owner's manualcdn.turtlebeach.com/device/qig/stealth-pro-ii/stealth-pro-ii_390-6319-v1.pdfRead 8 October 2026STEALTH PRO II for XBOX QSG. Exact Xbox edition, not a PC model guide.

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

0 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.

1year6Retailer pageaudio46.com/products/jbl-quantum-650x-wireless-gaming-headsetRead 14 October 2026US listing: 1 year limited JBL manufacturer warranty.

1year9Maker product pagesupport.turtlebeach.com/articles/en_US/Knowledge/218942167-Warranty-and-End-User-LicenseRead 8 October 2026LIMITED USA & CANADA WARRANTY: new retail Turtle Beach hardware one year. Stealth Pro II is not the separate Elite headset family named in the two-year exception. US TBS-2104-05 reference. Statutory rights and retailer plans excluded.

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