Headsets and headphones / Compare

Audio-Technica ATH-M50xBT2 vs Shokz OpenRun

A

Product A: Audio-Technica

ATH-M50xBT2

69 of 161 known

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B

Product B: Shokz

OpenRun

49 of 161 known

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Every value links to where we found it.

Only differences

AAudio-Technica ATH-M50xBT2

BShokz OpenRun

General

4 of 8 differ

Series

M-Series6Spec databaseifixit.com/Device/Audio_Technica_ATH-M50XBT2Read 11 October 2026Marketed by Audio-Technica as an over-ear wireless model in the M-Series lineup.

OpenRun1Maker product pageshokz.com/products/openrunRead 23 October 2026Maker lists OpenRun beside OpenRun Pro 2 and OpenMove in its sports headphone range.

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

ATH-M50xBT21Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Model number ATH-M50xBT2. The page also lists limited color models ATH-M50xBT2 DS and ATH-M50xBT2 IB on their own pages. They are not stored.

S803, S803-ST-BK-US, S803-ST-GY-US, S803-ST-BL-US, S803-ST-RD-US, S803-ST-PR-US-3262Maker product pageshokz.com/products/openrun.jsRead 23 October 2026US store variant list. The Standard magnetic SKUs S803-ST-BK-US, -GY-US, -BL-US, -RD-US and -PR-US-326 are stored. The Mini S803-MN, and the USB-C editions S805 and S806, are left out because charging port and band size differ.

GTIN / EAN

49613101561831Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026JAN code 4961310156183 for the Japan model.

850033806182, 850033806229, 850033806212, 850033806199, 8101606668512Maker product pageshokz.com/products/openrun.jsRead 23 October 2026Variant barcodes from the store feed for each stored SKU.

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

Not available

Not available

Status

Available5Retailer pagecoolblue.nl/en/product/891664/audio-technica-ath-m50xbt2.htmlRead 11 October 2026Sold on Coolblue with manufacturer code ATH-M50xBT2.

Available1Maker product pageshokz.com/products/openrunRead 23 October 2026US store variants of the Standard magnetic edition are in stock. The Mini and the USB-C editions S805 and S806 are not stored.

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.

$1993Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026Spec box: Original price $199.4Spec databasesoundguys.com/product/audio-technica-ath-m50xbt2Read 11 October 2026Msrp USD 199, year 2021.

Not available

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

Not available

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

Not available

Not available

ColoursiThe maker's own colour names

Black5Retailer pagecoolblue.nl/en/product/891664/audio-technica-ath-m50xbt2.htmlRead 11 October 2026Color: Black

Black, Grey, Blue, Red, Purple2Maker product pageshokz.com/products/openrun.jsRead 23 October 2026Black, Grey, Blue, Red and Purple, as named in the store feed.

Segment

Music1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Listed as a wireless headphone in the consumer headphone range, not in the professional monitor range. Described as the wireless version of the M50x monitor headphones.

Sport1Maker product pageshokz.com/products/openrunRead 23 October 2026Maker sells it as sports headphones.

Design

5 of 7 differ

Form factor

Over-ear5Retailer pagecoolblue.nl/en/product/891664/audio-technica-ath-m50xbt2.htmlRead 11 October 2026Type of ear cushions: Over-ear

Open-ear1Maker product pageshokz.com/products/openrunRead 23 October 2026Open-ear design powered by bone conduction. Maker calls the fit open-ear.

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

Closed1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Type: closed dynamic (Japanese: 密閉ダイナミック型)2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Headphones: Closed-back dynamic5Retailer pagecoolblue.nl/en/product/891664/audio-technica-ath-m50xbt2.htmlRead 11 October 2026Types of design: Closed

Open7Reviewrtings.com/headphones/reviews/shokz/openrun-bone-conductionRead 23 October 2026Public summary row: Enclosure Open-Back. Bone conduction headphones with an unsealed fit. Test result cells are members only and are not used.

Wearing style

Headband2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Parts: headband with sliders, arms, joints and housings. Worn on the head.

Neckband3Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026Guide: bring the headphones behind the back of the base of the neck. The transducers rest in front of the ears.

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

Flat and inward2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Swivel mechanism: you can fold the housing so that it lies flat, up to 90 degrees. Compact folding: you can fold the housing into the inner side of the headband using the joints.3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026Folds down for storage. Articulating arms and ear cups make it easy to stow away.

Not available

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

Yes2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Swivel mechanism: the housing lies flat. The housing also turns about 180 degrees on the arm (Reversing the housing).3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026The ear cups can articulate in multiple directions.

Not available

RGB lighting

Not available

Not available

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

Not available

Not available

Drivers and sound

9 of 20 differ

Driver type

Dynamic1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Type: closed dynamic

Bone conduction1Maker product pageshokz.com/products/openrunRead 23 October 2026Compare table: 8th Generation Bone Conduction Technology with PremiumPitch 2.0+.

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

45mm1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Driver 45 mm. The page names a 45 mm large-aperture driver.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Headphones: Driver 45 mm

Not available

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

Not available

Not available

Diaphragm material

Not available

Not available

Magnet

Not available

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.

Min15 HzMax28 kHz1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Frequency response 15 to 28,000 Hz2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Headphones: Frequency response 15 to 28,000 Hz

Min20 HzMax20 kHz4Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Full specs: Frequency Response 20Hz~20KHz. No test standard given. UK page, which lists a USB-C charging cable. Other values on it match the US page.

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.

Min20 HzMax40 kHz1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Transmission band 20 to 40,000 Hz with LDAC at 96 kHz sampling and 990 kbps. 20 to 20,000 Hz at 44.1 kHz sampling.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Communication specifications: Transmission band 20 to 40,000 Hz (LDAC 96 kHz sampling, 990 kbps), 20 to 20,000 Hz (44.1 kHz sampling)

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.

38Ω1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Impedance 38 ohm2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Headphones: Impedance 38 ohms

8.5Ω5Retailer pagebestbuy.com/product/shokz-openrun-wireless-bone-conduction-open-ear-bluetooth-endurance-headphones-red/J3R8WS6R5VRead 23 October 2026Spec list for S803-ST-RD-US: Impedance 8.5 ohms. Shokz Spain's refurbished-unit page also lists 8.5 with a mistyped unit. Best Buy also lists 1 connected device, which the user guide contradicts.

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.

99dB1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Output sound pressure level 99 dB/mW2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Headphones: Sensitivity 99 dB/mW

105dB4Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Full specs: Sensitivity 105 ± 3dB. No reference level given, so no sensitivity reference is stored.

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

Per 1 mW1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026The maker gives the level per 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

Not available

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

Not available

DAC

AKM AK43311Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026AKM Hi-Fi DAC and headphone amplifier AK4331, 96 kHz/24 bit.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

EQ presets

Not available

Standard, Vocal Booster3Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026Guide lists Standard Mode and Vocal Booster Mode. Switch by holding both volume buttons during playback.

Volume limit

Not available

Not available

Spatial audio

None of 3 known

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.

Not available

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

Not available

Head tracking

Not available

Not available

Noise cancelling

0 of 10 differ

Active noise cancelling

No4Spec databasesoundguys.com/product/audio-technica-ath-m50xbt2Read 11 October 2026Noise reduction type: passive noise isolation. The spec list has no active noise cancelling.

No7Reviewrtings.com/headphones/reviews/shokz/openrun-bone-conductionRead 23 October 2026Public summary row: Noise Cancelling No.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

ANC attenuation (claimed)

Not available

Not available

Transparency mode

Not available

Not available

Adjustable transparency

Not available

Not available

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

Not available

Not available

Wind noise reduction

Not available

Not available

Measured

4 of 21 differ

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

Conservative response. Mids and upper bass are under-emphasized with a dip around 300 Hz. Treble follows the target a few decibels quieter.3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026Mids and upper-bass frequencies are under-emphasized. A slight dip at 300 Hz. Treble follows the ideal curve a few decibels quieter. The wired response is the same as the Bluetooth response.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

SoundGuys recorded a non-standardised microphone demonstration. Speech is acceptable in a quiet room, and the mic passes a lot of background noise on a windy day.6Reviewsoundguys.com/shokz-openrun-review-71111Read 23 October 2026Review of 27 August 2024. Non-standardised microphone demo. Also notes SBC only, multipoint, 160 mAh battery, and no app support for this model. Its stated 31 August 2021 release date is not used.

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.

AAudio-Technica ATH-M50xBT2

Connection	ANC	Hours (h)
Bluetooth	No	64.85

Source3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026Constant music playback peaking at 75 dB(SPL) lasted 64 hours 51 minutes, stored as 64.85 hours. Connection is Bluetooth. Codec is not stated.

BShokz OpenRun

Not available

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

64.85h=CalculatedFrom Measured battery life

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

5 of 16 differ

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

Built-in1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Two small MEMS microphones in the housing.

Built-in4Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Full specs: Microphone Type Dual noise-canceling mic. The mics are in the headset body. There is no boom or in-line remote.

Microphone element

MEMS1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Microphone type: MEMS2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Microphone: Type MEMS

Not available

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

Omnidirectional1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Polar pattern: omnidirectional. The page also describes beamforming with the two microphones.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Microphone: Polar pattern omnidirectional

Not available

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

21Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Two MEMS microphones are placed in two places of the headphone housing for beamforming.

24Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Full specs: Microphone Type Dual noise-canceling mic. Two microphones.

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

24Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Dual mics. No other microphones are listed.

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

Min85 HzMax15 kHz1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Microphone frequency band 85 to 15,000 Hz2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Microphone: Frequency response 85 to 15,000 Hz

Not available

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

-38dB1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026-38 dB at 1 V/Pa, 1 kHz. The reference is dBV per pascal.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Microphone: Sensitivity -38 dB (1 V/Pa, at 1 kHz)

-38dB4Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Full specs: Microphone Sensitivity -38dB ± 3dB. Reference not stated.

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.

DSP1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Beamforming microphone technology gives directivity toward the speaker's mouth to improve call quality in noisy places. Stored as DSP.

DSP4Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Page says dual mics and a CVC algorithm separate the voice from background noise. CVC is a DSP algorithm.

Flip to mute

Not available

Not available

Mute button

Not available

Not available

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

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Side tone function lets you hear your own voice through the microphones during a call. It can be switched on or off in the app.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026App function Side Tone: on or off during a call. On at the time of purchase.3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026It has an optional sidetone.

Not available

Adjustable sidetone

Not available

Not available

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

Not available

Not available

Connectivity

9 of 20 differ

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

Bluetooth, Analog2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Bluetooth connection chapters and the wired connection (playthrough) chapter. The USB-C battery jack is for charging only.

Bluetooth1Maker product pageshokz.com/products/openrunRead 23 October 2026Wireless Bluetooth headphones. The magnetic port only charges.

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

3.5 mm TRS1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 20261.2 m cord with a 3.5 mm gold-plated stereo mini-plug. The online manual says the cord has no microphone.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Accessories: cable with a 3.5 mm gold-plated stereo mini-plug, L-shaped.

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 mm2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Operation area: the connector jack takes the included cable for wired connection. The cable plug is 3.5 mm.

Not available

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

1.2m1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 20261.2 m cord2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Accessories: cable 1.2 m (3.9 ft)

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.

USB-C2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026The USB Type-C side of the charging cable plugs into the battery jack. The jack is for charging only.

Not available

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.

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026The 1.2 m cord lets you use the headphones by wire when the battery has run out.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Wired connection (playthrough function): music plays even when there is no battery power. The buttons do not work and the cable has no microphone.

Not available

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

None2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Bluetooth headphones. No dongle in the accessories.

None1Maker product pageshokz.com/products/openrunRead 23 October 2026No receiver or dongle in the box.

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

Not available

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.

10m1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Maximum communication range: within 10 m in line of sight.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Communication specifications: line of sight approx. 10 m (33 ft)

10m4Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Full specs: Wireless Range 33 ft (10m).

Bluetooth

5.01Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Bluetooth standard Ver. 5.02Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Communication specifications: Bluetooth version 5.0

5.11Maker product pageshokz.com/products/openrunRead 23 October 2026FAQ: OpenRun features Bluetooth v5.1.

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

LDAC, AAC, SBC1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Supported codecs: LDAC, AAC, SBC2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Communication specifications: Supported codec LDAC, AAC, SBC

SBC4Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Full specs: Compatible Codecs SBC.

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

Not available

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

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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.

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Supports multipoint with two Bluetooth devices at the same time.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Multipoint function: two Bluetooth devices connected at the same time.3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026Google Fast Pair and multipoint capability.

Yes3Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026Guide has a multipoint pairing procedure for two devices.

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

22Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Multipoint function: up to two Bluetooth devices can be connected at the same time.

23Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026Pair Two Devices. The guide connects the headphones to two devices at once.

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.

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Fast pairing

Google Fast Pair1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Supports Fast Pair for Android 6.0 or later. Only one Android device can use Fast Pair.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Pairing with Fast Pair on Android devices.3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026Google Fast Pair.

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Base station

Not available

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Latency

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Low latency modeiA selectable mode intended to reduce audio delay. A low-latency connection without a distinct mode does not count.

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Low Latency Mode reduces delay for video and games. It is switched in the app.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026App function Low Latency Mode reduces sound delay when playing games or watching videos.

Not available

Claimed latencyiMaker’s claimed delay for the stated connection and mode. Minimum claims and host restrictions belong in the source note.

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Compatibility

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

Android, iOS3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026Android owners can choose LDAC. Apple users can use AAC.

Android, iOS, Windows, macOS1Maker product pageshokz.com/products/openrunRead 23 October 2026FAQ: compatible with iPhone and Android, and with PC and Mac computers that have Bluetooth.

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.

AAudio-Technica ATH-M50xBT2

Not available

BShokz OpenRun

Platform	Connection
Android	Bluetooth
iOS	Bluetooth
Windows	Bluetooth
macOS	Bluetooth

Source1Maker product pageshokz.com/products/openrunRead 23 October 2026Bluetooth to phones and Bluetooth-capable PC and Mac per the FAQ.

Official licence

Not available

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Battery and charging

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

Not available

160mAh4Maker product pageuk.shokz.com/products/openrunRead 23 October 2026Full specs: Battery Capacity 160 mAh. Matches the Australian page, SoundGuys and Best Buy. Shokz Spain's refurbished-unit page lists 145 mAh and 2 hours charge time, which are not used.

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

Not available

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.

AAudio-Technica ATH-M50xBT2

Connection	Hours (h)
Bluetooth	50

Source1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Continuous transmission time for music playback: max approx. 50 hours. Figures depend on use conditions. The codec and volume are not stated.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Other: continuous transmission time (music playback) max approx. 50 hours.

BShokz OpenRun

Connection	ANC	Codec	Hours (h)
Bluetooth	No	SBC	8

Source1Maker product pageshokz.com/products/openrunRead 23 October 20268 hours. Maker footnotes give the test as continuous playback after a full charge on an iPhone with iOS 14 at 75 to 80 percent volume and the standard EQ mode. One footnote names ACC encoded audio and the other a Hi-Res WAV file. OpenRun supports only SBC over Bluetooth, so SBC is stored as the link codec. Real use varies.

Battery life (claimed, max)

50h=CalculatedFrom Claimed battery life

8h=CalculatedFrom Claimed battery life

Battery life with ANC (claimed)

Not available

Not available

Battery life without ANC (claimed)

Not available

8h=CalculatedFrom Claimed battery life

Charging port

USB-C2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Operation area: the battery jack takes the included USB charging cable, Type-C side.

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

210min1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Charging time approx. 3.5 hours, stored as 210 minutes.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Other: charging time approx. 3.5 hours. Figures depend on operating conditions.

90min1Maker product pageshokz.com/products/openrunRead 23 October 2026Compare table: Charge Time 1.5 Hours. Stored as 90 minutes. Maker states no starting percentage.

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

10min1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026About 10 minutes of charging gives about 180 minutes of continuous playback.3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 202610 minutes of charge delivers 180 minutes of audio with the included USB-C to USB-A cable.

10min1Maker product pageshokz.com/products/openrunRead 23 October 202610-minute Quick Charge for up to 1.5 hours of battery life.

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

3h1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026About 180 minutes of playback, stored as 3 hours. Charger conditions are not stated.

1.5h1Maker product pageshokz.com/products/openrunRead 23 October 2026Same footnote and test conditions as the 8 hour claim.

Use while charging

No2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026If you start to charge while the product is on, it automatically turns off.

No3Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026Guide: the headset will automatically shut down when charging.

Charging dock or stand

Not available

Not available

Controls

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Controls

Buttons2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Operation area: power supply and control button, volume buttons and a voice assistant button.

Buttons3Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026Power/Volume +, Volume - and multifunction buttons.

Volume control

Buttons2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Volume buttons (+/-) adjust the volume by one level per press.3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026Physical buttons. A two-second press and hold of the volume buttons skips tracks.

Buttons3Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026Volume + and Volume - buttons.

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

Amazon Alexa, Google Assistant, Siri1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Siri and Google Assistant start with the voice assistant button. Amazon Alexa works after a key change in the Connect app.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Speech recognition feature such as Google Assistant or Siri starts with the voice assistant button.4Spec databasesoundguys.com/product/audio-technica-ath-m50xbt2Read 11 October 2026Voice assistant support: Alexa, Google Assistant, Siri

Paired device voice assistant3Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026Press and hold the multifunction button for 2 seconds on standby to activate the voice assistant of the paired device.

Comfort and build

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Headband type

Not available

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Headband material

Not available

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Frame material

Not available

Nickel-titanium alloy with silicone1Maker product pageshokz.com/products/openrunRead 23 October 2026Compare table: Silicone, Plastic, Nickel-titanium alloy. The UK page says full titanium. The US materials list names silicone headband and ear hooks.

Ear cup material

Not available

Not available

Ear pad material

PU leather4Spec databasesoundguys.com/product/audio-technica-ath-m50xbt2Read 11 October 2026Ear pad type: PU leather5Retailer pagecoolblue.nl/en/product/891664/audio-technica-ath-m50xbt2.htmlRead 11 October 2026Ear cushion material: Foam, Imitation leather. The same as the PU leather listed by SoundGuys.

Not available

Replaceable ear pads

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Replacement ear pads HP-M50x BK are sold as spare parts.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Sold separately: earpad, cable.

Not available

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

Not available

Not available

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

Not available

Not available

Ear tips included

Not available

Not available

Dust and water rating

Not available

IP671Maker product pageshokz.com/products/openrunRead 23 October 2026IP67 Waterproof, not for swimming.

User-replaceable parts

Ear pads, Cable1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Sold separately: ear pad HP-M50x and cord.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Sold separately: earpad, cable.

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Software

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Companion app

Audio-Technica Connect2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Compatible with the Connect app.

Not available

App platforms

Android, iOS4Spec databasesoundguys.com/product/audio-technica-ath-m50xbt2Read 11 October 2026Companion app: iOS + Android

Not available

User firmware updates

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026The Connect app can also update the headphone firmware (online manual).2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026The app also updates the product firmware.3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026The Connect app is used for EQ, firmware updates and Bluetooth codec switching.

Not available

Dimensions and weight

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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.

307g(10.8 oz)1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Mass approx. 307 g2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Specifications, Other: approx. 307 g (10.8 oz)5Retailer pagecoolblue.nl/en/product/891664/audio-technica-ath-m50xbt2.htmlRead 11 October 2026Weight 307 g, the same as the maker.

26.4g(0.9 oz)1Maker product pageshokz.com/products/openrunRead 23 October 2026Compare table on the US page: 26.4 g for the Standard size. The UK and Australian pages round to 26 g. Mini size not stored.

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

None of 3 known

Hi-Res Audio

Not available

Not available

Communication certifications

Not available

Not available

FCC ID

Not available

Not available

Other certifications

Not available

Not available

In the box

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In the box

ATH-M50xBT2 headphones, USB charging cable (USB Type-A to USB Type-C), Audio cable with 3.5 mm stereo mini-plug, Pouch1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026Accessories: 30 cm USB charging cable (USB Type-A / USB Type-C), 1.2 m cord (3.5 mm gold-plated stereo mini-plug, L-shaped), pouch.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Accessories: USB charging cable 30 cm (12 in, USB Type-A / USB Type-C), cable 1.2 m, pouch.

OpenRun headphones, Carrying bag, Magnetic charging cable, User guide, Legal statement1Maker product pageshokz.com/products/openrunRead 23 October 2026Magnetic edition list: OpenRun headphones, carrying bag and magnetic charging cable. The user guide adds the guide and the legal statement.

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

AAudio-Technica ATH-M50xBT2

Type	Length (m)	Count
USB charging cable (USB Type-A to USB Type-C)	0.3	1
Audio cable with 3.5 mm gold-plated stereo mini-plug (L-shaped)	1.2	1

Source1Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 202630 cm charging cable and 1.2 m audio cord.2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026USB charging cable 30 cm (12 in) and audio cable 1.2 m (3.9 ft).

BShokz OpenRun

Type	Count
Magnetic charging cable	1

Source1Maker product pageshokz.com/products/openrunRead 23 October 2026Magnetic charging cable. The cable length is not stated.

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

Soft3Reviewsoundguys.com/audio-technica-ath-m50xbt2-review-60821Read 11 October 2026You get a carry pouch, a headphone jack cable and a USB-C to A charging cable. The reviewer calls the pouch a flimsy vinyl carrying sack.

Soft1Maker product pageshokz.com/products/openrunRead 23 October 2026Carrying bag. SoundGuys calls it a drawstring pouch.

Links

Not compared

Product page

www.audio-technica.co.jp/product/ATH-M50xBT21Maker product pageaudio-technica.co.jp/product/ATH-M50xBT2Read 11 October 2026

Not available

Spec sheet

Not available

Not available

Manual

www.audio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.html2Owner's manualaudio-technica.co.jp/document/ATH-M50xBT2/en/Content/Wireless/ATH-M50xBT2/index.htmlRead 11 October 2026Official English online manual, 48 topics, built September 2021.

userguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdf3Owner's manualuserguide.shokz.net/upload/user/20240415/b94bc6da14987b098610a617f4b66775.pdfRead 23 October 2026English user guide for S803, PDF dated February 2024.

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 pageshokz.com/products/openrunRead 23 October 2026Two-year warranty with purchases from Shokz.com in the US.

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