Headsets and headphones / Compare

Bose QuietComfort Ultra Headphones vs Sony MDR-EX15AP

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Product A: Bose

QuietComfort Ultra Headphones

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B

Product B: Sony

MDR-EX15AP

47 of 161 known

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Only differences

ABose QuietComfort Ultra Headphones

BSony MDR-EX15AP

General

5 of 8 differ

Series

QuietComfort1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

EX1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Sony lists it with the EX in-ear line, next to MDR-EX15LP, MDR-EX155AP and MDR-EX255AP.

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

440108, 880066-0100, 880066-0200, 880066-0300, 880066-1200, 880066-15001Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Page product data lists SKU 880066-0100 BLACK, 880066-0200 WHITE SMOKE, 880066-0300 SANDSTONE, 880066-1200 LUNAR BLUE and 880066-1500 DEEP PLUM. Regulatory model 440108 is from the owner's guide2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Product data lists the same five SKUs as bose.co.uk: 880066-0100, 880066-0200, 880066-0300, 880066-1200 and 880066-15003Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 6: Model number 440108

MDR-EX15AP, MDREX15AP/B, MDR-EX15APB, MDR-EX15APW3Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/ac2c7722/676b437e4411651d82224243/product-pdfRead 16 October 2026Distributor datasheet for Sony MDR-EX15AP in black, product code MDR-EX15APB.4Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/27d77da9/676b437f4411651d82224246/product-pdfRead 16 October 2026Same datasheet for the white unit, product code MDR-EX15APW.5Retailer pageamazon.com/dp/B00JG2WRUORead 16 October 2026Item details: Model Number MDREX15AP/B, ASIN B00JG2WRUO, sold in the US as the black unit.

GTIN / EAN

Not available

027242867284, 4905524931235, 4056572581801, 49055249373053Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/ac2c7722/676b437e4411651d82224243/product-pdfRead 16 October 2026Black datasheet prints EAN 4905524931235 and 4056572581801.4Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/27d77da9/676b437f4411651d82224246/product-pdfRead 16 October 2026White datasheet prints EAN 4905524937305.5Retailer pageamazon.com/dp/B00JG2WRUORead 16 October 2026Item details: UPC 027242867284 and GTIN 00027242867284.

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

14 September 20234Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Press release dated September 14, 2023. It gives no price or sale date

Not available

Status

Available1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Black in stock with Add to Basket on 2026-10-06. Sandstone, Lunar Blue and Deep Plum out of stock. The bose.com US product URL redirects to the home page

Available1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Sony Japan page is live with a Sony Store price of 2,200 JPY incl. tax. The list price is open.

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

Not available

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

Bose QuietComfort Ultra Headphones (2nd Gen)8Reviewwhathifi.com/headphones/wireless-headphones/bose-qc-ultra-headphones-2nd-gen-vs-bose-qc-ultra-headphones-1st-gen-whats-the-differenceRead 6 October 2026The original QC Ultras are outclassed by their successors. The 2nd Gen launched at the same UK price as their predecessors

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.

Not available

$19.9911Reviewtechradar.com/audio/earbuds-airpods/sony-mdr-ex15ap-reviewRead 21 October 2026Review text: list price of $19.99 for the MDR-EX15AP. The review was first published in January 2025 and says the model launched in 2014. No launch-dated price source was found.

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.

GB, DE1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Sold on bose.co.uk (GB) on 2026-10-06. DE is from the bose.de source2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Bose Germany sells the product. Black and White Smoke in stock on 2026-10-06

Not available

ColoursiThe maker's own colour names

Black, White Smoke, Sandstone, Lunar Blue, Deep Plum1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Colour names as listed on the page: Black, White Smoke, Sandstone, Lunar Blue, Deep Plum. The Diamond 60th Edition is not listed2Maker product pagebose.de/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Same colour to SKU pairs as bose.co.uk: Black, White Smoke, Sandstone, Lunar Blue, Deep Plum

Black, White, Pink, Blue, Aqua Violet1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Japanese page lists five colors: black, white, pink, blue and aqua violet. The names are translated from Japanese. EU datasheets say four colors, so not every color is sold in every market.

Segment

Music1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Sold under Headphones. Music listening headphones, not a gaming headset

Music3Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/ac2c7722/676b437e4411651d82224243/product-pdfRead 16 October 2026Datasheet: recommended usage calls and music.

Design

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Form factor

Over-ear1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Headphone Fit, Around Ear Circumaural

In-ear1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Page title: closed inner-ear receiver.

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

Closed9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Enclosure: Closed-Back

Closed1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Page title and spec table: closed, dynamic type.

Wearing style

Headband1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Headband, On Head Adjustable

Cable3Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/ac2c7722/676b437e4411651d82224243/product-pdfRead 16 October 2026Datasheet: wearing style in-ear and cable length 1.2 m.

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

Flat and inward3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 42 to 43: rotate both earcups inward so they lay flat, then fold the left earcup up toward the headband

Not available

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

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 42: the earcups rotate for storage

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RGB lighting

Not available

Not available

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

Not available

Not available

Drivers and sound

12 of 20 differ

Driver type

Not available

Dynamic1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Spec table: closed dynamic type.

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

Not available

9mm1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Spec table: driver unit 9 mm.

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

Not available

19Maker product pagesony.com/electronics/support/wired-headphones-in-ear/mdr-ex15ap/specificationsRead 21 October 2026Sony USA and Japan spec tables list one driver unit (9 mm dynamic). No second driver is listed.

Diaphragm material

Not available

PET9Maker product pagesony.com/electronics/support/wired-headphones-in-ear/mdr-ex15ap/specificationsRead 21 October 2026Sony USA support specifications page: Diaphragm PET.

Magnet

Not available

Neodymium1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Spec table: neodymium magnet. Page text: 400 kJ per cubic meter high power neodymium magnet.

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

Not available

Min8 HzMax22 kHz2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: playback band 8-22,000 Hz. Test method is not stated.

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

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.

Not available

16Ω2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: 16 ohm at 1 kHz.

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.

Not available

100dB2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: 100 dB/mW.

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

Not available

Per 1 mW2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table prints dB per mW.

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

Not available

Not available

Max input power

Not available

100mW2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: maximum input 100 mW, measured to the IEC standard.

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

Not available

Not available

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

Not available

Not available

DAC

Not available

Not available

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

Yes11Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 8 October 2026The exact original QuietComfort Ultra Headphones CustomTune FAQ states that a calibration tone plays at startup while the headphones are worn. The headset measures how the unique ear and ear-canal shape modifies the tone, then adjusts audio playback to that ear shape. This is a manufacturer-supported acoustic ear scan and device sound profile. It is separate from manual EQ, and does not claim a hearing-threshold test or a profile saved permanently across power cycles. The second-generation headphone is excluded.

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.

31Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Adjust EQ settings by modifying the levels of bass, mid-range and treble. The owner's guide battery note also says 3-band EQ3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36 test note: 3-band EQ set to zero

Not available

EQ presets

Not available

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Volume limit

Not available

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Spatial audio

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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.

Bose Immersive Audio1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Breakthrough Bose Immersive Audio. Still and Motion settings

Not available

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

Not available

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Head tracking

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 22: in the Still setting the virtual speakers stay where they are when you move your head4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Immersive Audio is enabled by an onboard IMU

Not available

Noise cancelling

5 of 10 differ

Active noise cancelling

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

No6Retailer pagejbhifi.co.nz/products/sony-mdr-ex15ap-ex-monitor-in-ear-headphones-blackRead 16 October 2026Retailer specification table: Noise-cancelling False. Sony lists no noise cancelling feature.

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

Hybrid1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: microphones both inside and outside the earcups. Features: 8 microphones for advanced feedback and adaptive feed-forward noise reduction

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.

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Features: adaptive feed-forward noise reduction. Aware Mode with ActiveSense applies noise cancellation automatically during loud sounds

Not available

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

Not available

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ANC attenuation (claimed)

Not available

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Transparency mode

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Aware Mode feels as if you are not wearing headphones

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

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ What is Wind Block: mutes the outside noise-cancelling microphones in wind3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 25: custom modes offer noise cancellation or wind block

Not available

Measured

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

Warm sound with slightly emphasized bass. Low harmonic distortion. Left and right drivers are reasonably well matched except in the treble.9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Public verdict on audio reproduction accuracy and sound signature Warm. Detailed test values are members-only and were not used

Not available

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

2dB9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Test Bench 2.3. Bass Amount: Slightly Emphasized (2 dB)

Not available

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

-1dB9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Test Bench 2.3. Treble Amount: Balanced (-1 dB)

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

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

Satisfactory. Captures the voice without notable peaks or dips. Only an okay job of separating the voice from surrounding noise.9Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-headphones-wirelessRead 6 October 2026Public verdict on the microphone

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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

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

ABose QuietComfort Ultra Headphones

Connection	Hours (h)
Bluetooth	27.62

Source10Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-review-103901Read 6 October 2026Standardized test protocol: 27 hours and 37 minutes of continuous playback. ANC state and codec are not stated on the page

BSony MDR-EX15AP

Not available

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

27.62h=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

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Microphone

10 of 16 differ

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

Built-in1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Microphones, Built-in Microphone

In-line1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Page text: hands-free calls and music remote control on a smartphone. The microphone sits in the cord remote. Sony Japan and the EU datasheet say inline.3Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/ac2c7722/676b437e4411651d82224243/product-pdfRead 16 October 2026Datasheet: microphone type in-line.

Microphone element

Not available

Electret condenser2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: electret condenser type.

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

Not available

Omnidirectional8Owner's manualsony.com/electronics/support/res/manuals/4466/44662569M.pdfRead 21 October 2026Specifications, Microphone: Directivity omni directional.

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

43Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 17: four microphones for phone calls, two on each earcup

18Owner's manualsony.com/electronics/support/res/manuals/4466/44662569M.pdfRead 21 October 2026The How to use diagram labels one microphone, in the cord remote. The specifications list one microphone.

Total microphonesiEvery physical microphone across the headset, including call, ANC and calibration microphones. Shared microphones count once. Excludes microphones in charging cases or receivers, and vibration sensors. Use an explicitly published physical total, never a sum of overlapping role counts.

Not available

Not available

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

Not available

Min20 HzMax20 kHz2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: effective frequency band 20-20,000 Hz.

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

Not available

-40dB2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: open circuit voltage level -40 dB with 0 dB = 1 V per Pa.

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 pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ phone calls: the adaptive microphone system isolates your voice from competing background noises and wind. Noise Control Type also lists Echo Reduction

Not available

Flip to mute

Not available

Not available

Mute button

Not available

No8Owner's manualsony.com/electronics/support/res/manuals/4466/44662569M.pdfRead 21 October 2026The only button is the multi-function button for answer, end, play and pause. No mute button is listed.11Reviewtechradar.com/audio/earbuds-airpods/sony-mdr-ex15ap-reviewRead 21 October 2026Review: the controller only has a play/pause button.

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

Not available

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Sidetone

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ phone calls: self-voice allows you to hear yourself naturally3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

Not available

Adjustable sidetone

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 21: self voice is activated on calls. Adjust self voice in the Bose app

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

14 of 20 differ

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

Bluetooth, Analog3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: 2.5 mm to 3.5 mm audio cable. Page 34: the headphones do not support USB audio

Analog2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Playback goes through the 4-pole 3.5 mm plug. The spec page lists no wireless or USB connection.

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

3.5 mm TRS10Reviewsoundguys.com/bose-quietcomfort-ultra-headphones-review-103901Read 6 October 20262.5 to 3.5mm TRS cable

3.5 mm TRRS2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: 4-pole gold-plated L-shaped stereo mini plug. A stereo mini plug is 3.5 mm.

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

2.5 mm3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: connect the cable to the 2.5 mm port on the left earcup

Fixed cable2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026The 1.2 m litz cord is part of the unit and no headset-side jack is listed.

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

Not available

1.2m2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Spec table: cord length 1.2 m, litz wire, Y type.

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 manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 34: USB-C port on the left earcup

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.

No1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: Do QuietComfort Ultra Headphones support USB audio? No.3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

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.

No1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: the headphones must be powered on during use, including when using the auxiliary audio cable3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 33: the headphones must be powered on to use the audio cable

Yes2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026The spec page lists no battery, charging or power source. The earphones play from the analog plug alone.

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

None3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Bluetooth only. No receiver in the box

None2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026The spec and accessory lists have no receiver. The model is wired only.

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.

9m1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Bluetooth Range 9 m. FAQ: up to 9 metres (30 ft)

Not available

Bluetooth

5.31Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Bluetooth Version 5.34Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Bluetooth 5.3 compatible

Not available

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

SBC, AAC, aptX Adaptive3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 32: aptX Adaptive with Snapdragon Sound-certified devices. SBC and AAC from What Hi-Fi4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Snapdragon Sound with aptX Adaptive, including lossless and low latency capabilities6Reviewwhathifi.com/reviews/bose-quietcomfort-ultra-headphones-reviewRead 6 October 2026Tech specs: Bluetooth SBC, AAC, aptX Adaptive

Not available

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

Not available

Not available

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

Not available

Not available

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

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: connects to two source devices at the same time. Added by a software update in July 20243Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

Not available

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

21Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ: two source devices at the same time3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

Not available

Paired devices remembered

63Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 27: up to six devices in the device list, two actively connected

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

Not available

Fast pairing

Google Fast Pair3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 31: Connect using Fast Pair, Android 6.0 or higher4Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026

Not available

Base station

Not available

Not available

Latency

None of 2 known

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

Not available

Not available

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

Not available

Not available

Compatibility

2 of 3 differ

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

Not available

iOS, Android8Owner's manualsony.com/electronics/support/res/manuals/4466/44662569M.pdfRead 21 October 2026Compatible products: use with smartphones. The manual describes operations on iPhone and, with the Smart Key app, on Android OS 4.0 and above. No other platform is named.

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.

ABose QuietComfort Ultra Headphones

Not available

BSony MDR-EX15AP

Platform	Connection
iOS	Analog
Android	Analog

Source8Owner's manualsony.com/electronics/support/res/manuals/4466/44662569M.pdfRead 21 October 2026Analog 4-pole mini plug. Microphone support per platform is not stated for specific models, so it is left out.

Official licence

Not available

Not available

Battery and charging

9 of 13 differ

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

Not available

Not available

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

No3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Safety information: do not attempt to remove the rechargeable lithium-ion battery. Contact Bose

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.

ABose QuietComfort Ultra Headphones

Connection	ANC	Spatial audio	Hours (h)
Bluetooth	Yes	No	24
Bluetooth	Yes	Yes	18

Source12Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 8 October 2026The exact manufacturer guide on printed page 36 gives up to 24 hours with Bose Immersive Audio Off and up to 18 hours with it On after a full charge. Both music rows use Quiet Mode with full active noise cancellation, Bluetooth A2DP streaming at 75 dB SPL playback loudness, and all three equalizer bands at zero. Manufacturer testing used production-representative units in June 2023 with a variety of music tracks. The Bluetooth codec and Immersive Still/Motion setting are unspecified, so neither is inferred. These are manufacturer claims, not independent reviewer measurements.

BSony MDR-EX15AP

Not available

Battery life (claimed, max)

24h=CalculatedFrom Claimed battery life

Not available

Battery life with ANC (claimed)

24h=CalculatedFrom Claimed battery life

Not available

Battery life without ANC (claimed)

Not available

Not available

Charging port

USB-C1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 20263Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026

None2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026The spec page lists no battery and no charging port.

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

180min1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Battery Charge Time 3 hours. A page FAQ says up to 2 hours. The owner's guide says up to 3 hours and wins3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: allow up to 3 hours to fully charge

Not available

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

15min3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: a 15-minute charge

Not available

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

2.5h3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 36: up to 2.5 hours with Immersive Audio off, 2 hours with it on. A bose.co.uk FAQ says 3 hours. The owner's guide wins

Not available

Use while charging

No3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 34: the headphones power off when connected to power and will not charge while powered on. They can run from USB power without charging

Not available

Charging dock or stand

Not available

Not available

Controls

4 of 6 differ

Controls

Buttons, Touch1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ controls: Bluetooth/power button, multi-function button and capacitive volume strip on the right earcup

In-line remote1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Page text: remote control for music. The remote has one multi-function button.3Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/ac2c7722/676b437e4411651d82224243/product-pdfRead 16 October 2026Datasheet: control type buttons.

Volume control

Touch1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Swiping along the volume strip changes volume

None8Owner's manualsony.com/electronics/support/res/manuals/4466/44662569M.pdfRead 21 October 2026The remote has one multi-function button. The manual lists answer and end call, play and pause, and next and previous track on iPhone. It lists no volume keys unless the Smart Key app is installed on an Android phone.11Reviewtechradar.com/audio/earbuds-airpods/sony-mdr-ex15ap-reviewRead 21 October 2026Review: the controller only has a play/pause button, no volume controls.

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.

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Press and hold on the volume strip activates a user-configurable shortcut3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 19: shortcut on touch and hold of the volume strip, set in the Bose app

Not available

Wear detection

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026FAQ controls: on-head/off-head detection3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 20: on-head detection, auto play/pause and auto answer

Not available

Voice assistant

Not available

Not available

Comfort and build

6 of 11 differ

Headband type

Not available

Not available

Headband material

Pleather1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Product Comparison table, Materials: Pleather headband, plastic yolk6Reviewwhathifi.com/reviews/bose-quietcomfort-ultra-headphones-reviewRead 6 October 2026Metal arms and yokes combined with the pleather on the headband and earcups

Not available

Frame material

Not available

Not available

Ear cup material

Not available

Not available

Ear pad material

Protein leather1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Ear Cushion Material, Protein Leather

Not available

Replaceable ear pads

Yes1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Cushions, Removable Cushion. The page links a QSG for the QCUH cushion kit

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.

Clip3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Pages 45 to 46, serial number location: pull the cushion away until all six tabs release, then align the six tabs on the cushion mounting flange with the six slots on the earcup and press until they snap in

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

S, M, L1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Page text: hybrid earpieces S, M and L, two of each.

Dust and water rating

Not available

Not available

User-replaceable parts

Ear cushions3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Pages 45 to 46: the cushion is pulled off and snapped back by the user. Page 44: replacement parts through Bose customer service. The bose.co.uk page sells the QuietComfort Ultra Headphones Ear Cushion Kit

Not available

Software

3 of 3 differ

Companion app

Bose app3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 12: download the Bose app. The bose.co.uk spec table still names the Bose Music App

Not available

App platforms

Android, iOS1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Support: download the app on Google Play and the Apple Store

Not available

User firmware updates

Yes3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Page 44: updates through the Bose app or btu.Bose.com

Not available

Dimensions and weight

1 of 2 differ

Headset weightiPublished headset mass without detachable cable or microphone when stated. A fixed cable remains included. Any unqualified maker weight is identified in the source note.

254g(9 oz)1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026Technical Specifications: Headphone 0.560 lb, converted. Bose Germany states 0.25 kg. What Hi-Fi states 250 g

Not available

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

0 of 3 differ

Hi-Res Audio

Not available

Not available

Communication certifications

Not available

Not available

FCC ID

A944401083Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Regulatory page: FCC ID A94440108, IC 3232A-440108

Not available

Other certifications

Not available

Not available

In the box

3 of 3 differ

In the box

Bose QuietComfort Ultra Headphones, Carry case, 3.5 mm to 2.5 mm audio cable, USB-C (A to C) cable (50.8 cm) (20"), Safety sheet1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026What's in the box, verbatim

In-ear headphones with inline microphone and remote, Hybrid earpieces in sizes S, M and L, Cord adjuster, Warranty card1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026Page text lists hybrid earpieces S, M and L and a cord length adjuster. The spec page adds a warranty card.2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Accessories table: hybrid earpieces, warranty card and cord adjuster.

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

ABose QuietComfort Ultra Headphones

Type	Length (m)	Count
USB-A to USB-C	0.508	1
3.5 mm to 2.5 mm audio cable	Not available	1

Source1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026USB-C (A to C) cable 50.8 cm (20 in). Audio cable length not published

BSony MDR-EX15AP

Type	Length (m)	Count
Fixed Y-type litz cord with 4-pole 3.5 mm plug	1.2	1

Source2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026The cord is fixed to the earpieces. Y-type cord with a 4-pole L-shaped plug.

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

Hard7Reviewwhathifi.com/advice/bose-quietcomfort-headphones-vs-quietcomfort-ultra-headphones-what-are-the-differencesRead 6 October 2026Both models come with a useful hard-shell carrying case

None2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026The accessory list shows earpieces, warranty card and cord adjuster. No case.

Links

Not compared

Product page

www.bose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.html1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026

www.sony.jp/headphone/products/MDR-EX15AP1Maker product pagesony.jp/headphone/products/MDR-EX15APRead 16 October 2026

Spec sheet

Not available

www.sony.jp/headphone/products/MDR-EX15AP/spec.html2Maker product pagesony.jp/headphone/products/MDR-EX15AP/spec.htmlRead 16 October 2026Sony Japan full specification page.

Manual

assets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdf3Owner's manualassets.bosecreative.com/m/8f024ac3c0159c1/original/884885_OG_QCUH-HEADPHONEARN_en.pdfRead 6 October 2026Owner's guide 884885 for QuietComfort Ultra Headphones

www.sony.com/electronics/support/res/manuals/4466/44662569M.pdf8Owner's manualsony.com/electronics/support/res/manuals/4466/44662569M.pdfRead 21 October 2026Sony Stereo Headphones operating instructions for MDR-EX15AP, English, 2015 edition (4-466-256-91). Sony Canada also lists a 2013 edition.

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.

2years1Maker product pagebose.co.uk/p/headphones/bose-quietcomfort-ultra-headphones/QCUH-HEADPHONEARN.htmlRead 6 October 2026GB: Why buy direct from Bose, 2-year warranty

0.25years10Maker spec sheet (PDF)sony.com/electronics/support/res/manuals/W001/W0012352M.pdfRead 21 October 2026Sony Limited Warranty (U.S. only), Portable Audio, listed on the Sony USA manuals page for this model: a term of ninety (90) days from the original date of purchase. Other markets may differ.

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