Headsets and headphones / Compare

Audio-Technica ATH-M20x vs Sony MDR-7506

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Product A: Audio-Technica

ATH-M20x

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B

Product B: Sony

MDR-7506

48 of 161 known

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Only differences

AAudio-Technica ATH-M20x

BSony MDR-7506

General

5 of 8 differ

Series

M-Series1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026The page speaks of the ATH-M20 series and sits beside the other M-Series models. The M-Series name is from the 2014 launch release5Press articleprosoundweb.com/audio-technica-introduces-next-generation-m-series-headphonesRead 15 October 2026Audio-Technica has remastered its M-Series line of professional monitor headphones

Not available

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

ATH-M20x, ATH-M20x WH1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Model number ATH-M20x. The white online-store model has its own page with model number ATH-M20x WH2Maker product pageaudio-technica.co.jp/product/ATH-M20x_WHRead 15 October 2026White online-store limited model, model number ATH-M20x WH. Release date 2024-09-27

MDR-75065Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Vendor part MDR7506. The maker writes MDR-7506 on the housing.

GTIN / EAN

4961310125400, 49613101631981Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026JAN code 4961310125400 for ATH-M20x. The white model page gives 49613101631982Maker product pageaudio-technica.co.jp/product/ATH-M20x_WHRead 15 October 2026JAN code 4961310163198

027242682252, 4901780289486, 49017807887298Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026The sheet lists two barcodes, 4901780788729 and 4901780289486. The hinta.fi price comparison and shopro.lt list the same codes for the MDR7506, so both are stored.16Retailer pageebay.de/p/708930917Read 15 October 2026Catalogue entry for Sony MDR-7506, MPN MDR7506, UPC 0027242682252. The UPC-A form 027242682252 is stored18Retailer pagehinta.fi/4297181/sony-mdr7506/tuotetiedotRead 21 October 2026Finnish price comparison lists GTIN/EAN 4901780289486 and 4901780788729 for MDR7506. shopro.lt lists 4901780289486 for Sony MDR-7506 and the 2025 distributor sheet lists both. The two codes carry the Sony 4901780 prefix and pass the EAN check digit. The US UPC 027242682252 stays from eBay.

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

January 20146Press articlemusicradar.com/news/tech/namm-2014-audio-technica-reveals-new-m-series-headphones-591670Read 15 October 2026Article published 2014-01-23 reproduces the maker release dated 2014-01-20: the ATH-M20x made its debut at Winter NAMM 2014

Not available

Status

Available1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Current product page, updated to a sales figure dated October 2026. Thomann also has it in stock7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026In stock on the access date

Available5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Listed for sale on the access date9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026In stock on the access date. The Available since date of November 1999 is when the shop listed it and is not a launch date

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.

$695Press articleprosoundweb.com/audio-technica-introduces-next-generation-m-series-headphonesRead 15 October 2026U.S. MSRP: ATH-M20x $69. Street prices were lower, and SoundGuys later lists $49

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.

JP, US, EU1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Sold in Japan by the maker. The US MSRP comes from the launch release3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026The file is an EU conformity file for the EMC and RoHS directives, with an authorized representative in Leeds, UK and distribution contacts in Germany, France and Hungary.5Press articleprosoundweb.com/audio-technica-introduces-next-generation-m-series-headphonesRead 15 October 2026U.S. MSRP published for the launch7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Thomann, a German shop, lists the black ATH-M20x in stock on the access date.

Not available

ColoursiThe maker's own colour names

Black, White2Maker product pageaudio-technica.co.jp/product/ATH-M20x_WHRead 15 October 2026White colour model (ホワイトカラーモデル), limited to the official online store7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Colour: Black. The white ATH-M20xWH is listed as a variation of the product

Black8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Product colour: Black9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026Colour: Black

Segment

Studio1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Product category: Professional monitor headphones (プロフェッショナルモニターヘッドホン)

Studio6Maker spec sheet (PDF)shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDFRead 15 October 2026Sony Professional Audio brochure A-0775-A, printed 7/99, lists the MDR-7506 under Studio Monitor Headphones

Design

2 of 7 differ

Form factor

Over-ear7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Circumaural, over-ear design

Over-ear3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026FAQ: closed-ear, over-ear professional stereo monitor headphones.8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Ear coupling: Circumaural9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026Over-Ear, circumaural

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-M20xRead 15 October 2026Type: closed dynamic (密閉ダイナミック型)7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Closed-back

Closed1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Type Closed, dynamic.3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Headphone Type Dynamic, closed.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Headphone type: Dynamic, closed6Maker spec sheet (PDF)shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDFRead 15 October 2026Specifications table: Dynamic, closed. Features list Closed-Ear Design8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Acoustic system: Closed9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026System: Closed Back

Wearing style

Headband8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026Over-ear headphones with a padded crown band and a metal-reinforced headband

Headband8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Wearing style: head-band

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

None4Owner's manualaudio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdfRead 15 October 2026The model table gives the ATH-M20x only items A (3.0 m cable) and E (6.3 mm adapter). The folded position G is listed for the ATH-M30x, ATH-M40x and ATH-M50x only. SoundGuys confirms that the ATH-M20x does not fold8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026The ATH-M20x does not fold down at all

Inward6Maker spec sheet (PDF)shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDFRead 15 October 2026Features: folding construction for compact storage. The fold direction is not stated here. Sound On Sound describes it10Reviewsoundonsound.com/node/4918347Read 15 October 2026The earpieces can be pushed up into the space within the arc of the headband for stowage. This is an inward fold

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

Not available

Yes10Reviewsoundonsound.com/node/4918347Read 15 October 2026Reversible earpieces for single-sided listening14Reviewifixit.com/Guide/How+to+Replace+Sony+MDR-7506+Ear+Pads/154979Read 15 October 2026Step 1 rotates the ear cups about 180 degrees from the resting position

RGB lighting

Not available

Not available

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

Not available

Not available

Drivers and sound

6 of 20 differ

Driver type

Dynamic1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Type: closed dynamic3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Type: closed-back dynamic7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026

Dynamic1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Type Closed, dynamic. Driver unit 40 mm, dome type (CCAW Voice Coil).3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Headphone Type Dynamic, closed.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 20266Maker spec sheet (PDF)shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDFRead 15 October 20268Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 202611Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026

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

40mm1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Driver: 40 mm, new strong-magnet CCAW voice coil driver3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Driver diameter 40 mm. Voice coil: copper-clad aluminum wire7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 202640 mm driver with neodymium magnet and copper-clad aluminium wire voice coils

40mm1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Driver unit 40 mm, dome type (CCAW Voice Coil). CCAW names the voice coil wire, not the diaphragm.3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Driver Size 40.0 mm.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Driver size 40.0 mm6Maker spec sheet (PDF)shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDFRead 15 October 2026Driver unit size 40 mm8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Driver unit 4 cm9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 202640mm neodymium drivers10Reviewsoundonsound.com/node/4918347Read 15 October 2026Drive units are 40mm in diameter. The review names samarium-cobalt magnets, but Sony's own sheets say neodymium, so the maker value is stored11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026

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

Not available

111Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Driver count 1 and driver size 40 mm, read as one driver in each ear cup

Diaphragm material

Not available

PET4Maker product pagesony.com.au/electronics/headband-headphones/mdr-7506/specificationsRead 21 October 2026Specifications: DIAPHRAGM PET. No other source states the diaphragm. The same page lists 24 ohm impedance and 260 g weight, which conflict with the Sony operating instructions and the Sony US page, so those two values are not taken from it.

Magnet

Neodymium3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Magnet: neodymium7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Neodymium magnet

Neodymium3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Magnet Type Neodymium.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Magnet type: Neodymium6Maker spec sheet (PDF)shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDFRead 15 October 2026Magnet type: Neodymium8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 20269Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 202640mm neodymium drivers

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 HzMax20 kHz1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Frequency response 15 to 20,000 Hz3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Frequency response 15 - 20,000 Hz7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026

Min10 HzMax20 kHz1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Frequency response 10 Hz - 20,000 Hz. No tolerance is stated.3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Frequency Response 10-20kHz. No tolerance is stated.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Frequency response 10-20kHz. No tolerance is stated6Maker spec sheet (PDF)shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDFRead 15 October 2026Frequency response 10-20,000 Hz8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Headphone frequency 10 - 20000 Hz9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026Frequency range 10 - 20 000 Hz10Reviewsoundonsound.com/node/4918347Read 15 October 2026Bandwidth given as 10Hz to 20kHz without amplitude limits

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.

47Ω1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Impedance 47 ohm3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Impedance 47 ohms7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026

63Ω1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Impedance 63 ohm at 1 kHz. This settles the conflict with the Sony Australia page, which says 24 ohm.3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Impedance 63 Ohms. Sony Australia and other Asia-Pacific pages list 24 ohm (1 kHz) instead. The US page agrees with the Sony operating instructions, the 2025 distributor sheet, SoundGuys and Thomann, so 63 ohm is stored.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Impedance 63 Ohms. The maker's 1999 brochure lists 24 ohms for this model, which is not used8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Impedance 63 ohm. Distributor product sheet dated 2025-05-07, compiled from manufacturer data9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026Impedance 63 Ohm10Reviewsoundonsound.com/node/4918347Read 15 October 2026Nominal impedance specified as 63 ohm. The review lists the MDR7509 at 24 ohm, so the two models differ11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026

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.

96dB1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Output sound pressure level: 96 dB/mW3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Sensitivity 96 dB. The reference is not stated here7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026

106dB1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Sensitivity 106 dB/mW.3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Sensitivity 106 dB/W/m. The Sony operating instructions and Sony Australia print the same figure as 106 dB/mW, which is the unit headphone makers use.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Published as 106 dB/W/m. The Sound On Sound review of the same spec sheet says 106 dB/mW, which is the unit headphone makers use8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Headphone sensitivity 106 dB. The reference is not stated here10Reviewsoundonsound.com/node/4918347Read 15 October 2026106dB/mW sensitivity

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-M20xRead 15 October 2026Published as 96 dB/mW

Per 1 mW1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Sensitivity 106 dB/mW. The reference is 1 mW. The Sony US page prints the same figure as dB/W/m.4Maker product pagesony.com.au/electronics/headband-headphones/mdr-7506/specificationsRead 21 October 2026Specifications: SENSITIVITIES (DB/MW) 106dB/mW, the same reference as the Sony operating instructions.10Reviewsoundonsound.com/node/4918347Read 15 October 2026Review published May 2002 quotes the box spec sheet as 106dB/mW sensitivity. Other retailers write the same figure as dB/W/m

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

700mW1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Maximum input 700 mW. The EU technical file adds at 1 kHz3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Maximum input power 700 mW at 1 kHz7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Max. input level 700 mW at 1 kHz

1,000mW1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Power handling capacity 1,000 mW (IEC).3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Power Handling 1,000mW.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Power handling 1,000 mW8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Maximum input power 1000 mW9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026Power handling capacity of up to 1000mW10Reviewsoundonsound.com/node/4918347Read 15 October 2026Maximum power handling of one watt

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.

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

Not available

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

No8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026The review describes passive isolation only and does not mention active noise cancelling

No3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026FAQ: the MDR-7506 do not feature active noise cancellation.11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Noise cancellation type: none

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

3 of 21 differ

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

Under-emphasises almost the whole range against the SoundGuys studio curve, apart from a slight emphasis at 2 kHz. The main deviations are below 70 Hz and in the highs at 5 kHz and between 8 and 10 kHz.8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026SoundGuys lab measurement against its studio target curve. Slight emphasis at 2 kHz, under-emphasis elsewhere. Main deviations below 70 Hz, at 5 kHz and between 8 and 10 kHz. The review also notes that the ear cups rotate 15 degrees and that the headphones have no rotating ear cups, so the swivel field is left out

Follows the SoundGuys target curve with an under-emphasis of up to 7 dB between 150 and 400 Hz and about 5 dB too much between 2.5 and 5 kHz. Bass holds up to about 30 Hz. The highs roll off steeply above 10 kHz.12Measurementsoundguys.com/sony-mdr-7506-review-16336Read 15 October 2026SoundGuys lab measurement against its target curve, review updated August 2025. Under-emphasis between 150 and 400 Hz to a maximum of 7 dB, exaggeration of about 5 dB between 2500 and 5000 Hz, no significant bass roll-off past about 30 Hz and a steep roll-off above 10 kHz

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

Not available

-4dB17Measurementrtings.com/headphones/reviews/sony/mdr-7506Read 21 October 2026RTINGS public header: Bass Amount Underemphasized (-4 dB). Tested with RTINGS Methodology v2.3, review updated 2023-12-07 and test bench updated 2026-06-23. The deviation is measured against the RTINGS target curve. The detailed charts and the other values are members only.

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

Not available

5dB17Measurementrtings.com/headphones/reviews/sony/mdr-7506Read 21 October 2026RTINGS public header: Treble Amount Very Emphasized (5 dB), sound signature Bright. Same method and target curve as the bass amount.

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Clamping forceiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

Microphone

0 of 16 differ

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

None1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026The specification table has a driver, plug and cord section and no microphone section. The ATH-M20xSTS page of the same maker does list a microphone section

None8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Microphone type: not available11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Microphone: No

Microphone element

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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

0 of 20 differ

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

Analog8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026The ATH-M20x connects to a source with a 3.5 mm cable and ships with a 1/4 inch adapter

Analog11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Connection type: wired, 3.5 mm

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

3.5 mm TRS, 6.35 mm1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Plug: 6.3 mm standard and 3.5 mm mini, gold-plated stereo 2-way plug. Stereo is read as a 3-pole TRS plug4Owner's manualaudio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdfRead 15 October 20266.3 mm stereo plug adapter (accessory) for the 3.5 mm gold-plated stereo plug7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 20263.5 mm jack plug, 6.3 mm adapter included

3.5 mm TRS, 6.35 mm3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Plug Type Gold, Stereo Unimatch plug 1/4" and 1/8". The features text names a gold-plated Unimatch 3.5mm/6.3mm adaptor.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Plug type: gold stereo Unimatch plug, 1/4 inch and 1/8 inch7Maker spec sheet (PDF)bpm-media.imgbolt.de/media/pdf/70/d8/a0/EN_Sony_MDR_7506_1.pdfRead 15 October 2026Gold-plated Unimatch 3.5 mm/6.3 mm adaptor9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 20263.5 mm jack plug and a screw-mounted 6.3 mm adapter10Reviewsoundonsound.com/node/4918347Read 15 October 20263.5 mm jack plugs with a screw-on adaptor for a 6.25 mm socket15Retailer pageamazon.com/dp/B000AJIF4ERead 15 October 2026Screw-type plug adaptor (6.3 mm)

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

Fixed cable6Press articlemusicradar.com/news/tech/namm-2014-audio-technica-reveals-new-m-series-headphones-591670Read 15 October 2026Maker NAMM 2014 release: single-side cable exit with a permanently attached 3 m cable7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Replaceable cable: No. A fixed three-metre cable on the left-hand side8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026The cable is not detachable or replaceable

Fixed cable9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026Replaceable Cable: No10Reviewsoundonsound.com/node/4918347Read 15 October 2026The cable enters the left earpiece and a thinner wire runs through the headband to the other earpiece. No detachable connector is described11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Detachable cable: No. Cable is 3.5 mm single-ended and coiled12Measurementsoundguys.com/sony-mdr-7506-review-16336Read 15 October 2026The cable is not removable. Replacing it needs a soldering iron15Retailer pageamazon.com/dp/B000AJIF4ERead 15 October 2026Maker's listing images call it a coiled non-detachable cable

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

3m1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Cord length 3.0 m3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Cable: 3.0 m (9.8 ft), straight, left-side exit6Press articlemusicradar.com/news/tech/namm-2014-audio-technica-reveals-new-m-series-headphones-591670Read 15 October 2026Permanently attached 3 m cable7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 20263 m cable with 3.5 mm jack plug

3m1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Cable approx. 1.2 m coiled cable, approx. 3 m (118.1 in.) when extended, 2-way plug. The stretched length 3 m is stored.3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Cord Length 9.8 ft, which is 3 m. The 1.2 m coiled length is not stated here.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Cord length 9.8 ft, which is 3 m6Maker spec sheet (PDF)shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDFRead 15 October 2026Cord length 9.8 ft. The same table lists impedance 24 ohms, sensitivity 104 dB/mW and weight 7.8 oz for the MDR-7506. These differ from every later Sony-based source and from the Sound On Sound review of 2002, so they are not used8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Cable length 3 m10Reviewsoundonsound.com/node/4918347Read 15 October 2026Curly section expands to three metres in length12Measurementsoundguys.com/sony-mdr-7506-review-16336Read 15 October 2026The 3 m long coiled cable is nearly as heavy as the headset15Retailer pageamazon.com/dp/B000AJIF4ERead 15 October 2026Listing image: 1.2 m (extendable to 3 m) coiled cable

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

Not available

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-M20xRead 15 October 2026The table lists only a plug and a 3.0 m cord. No battery, charging or wireless item is listed, so analog playback needs no power

Yes11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Battery: No

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

None1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Wired plug and cord only. The wireless ATH-M20xBT is a separate model

None11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Wired 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.

Not available

Not available

Bluetooth

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Paired devices remembered

Not available

Not available

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

Not available

Not available

Fast pairing

Not available

Not available

Base station

Not available

Not available

Latency

None of 2 known

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

Not available

Not available

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

Not available

Not available

Compatibility

None of 3 known

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

Not available

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.

Not available

Not available

Official licence

Not available

Not available

Battery and charging

0 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.

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.

Not available

Not available

Battery life (claimed, max)

Not available

Not available

Battery life with ANC (claimed)

Not available

Not available

Battery life without ANC (claimed)

Not available

Not available

Charging port

None1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026No battery, charging or wireless item in the table

None11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Battery: No

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Use while charging

Not available

Not available

Charging dock or stand

Not available

Not available

Controls

0 of 6 differ

Controls

Not available

Not available

Volume control

None1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026No remote, control or microphone item in the table. The cord is a plain 3.0 m cord

None12Measurementsoundguys.com/sony-mdr-7506-review-16336Read 15 October 2026No remote or controls are mentioned and the review photos show a plain coiled cable

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

Not available

Not available

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

Not available

Not available

Wear detection

Not available

Not available

Voice assistant

Not available

Not available

Comfort and build

5 of 11 differ

Headband type

Padded7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Well padded and adjustable. The page lists swivelling ear cups up to 90 degrees, which the maker page and SoundGuys do not confirm, so no swivel value is stored. Its weight lines (251 g and 200 g with cable) are inconsistent and are not used8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026Headband is comfortable, with padding similar to the other ATH-M headsets

Padded10Reviewsoundonsound.com/node/4918347Read 15 October 2026Well-padded headband with adjustable side extension arms

Headband material

Not available

Metal with foam padding12Measurementsoundguys.com/sony-mdr-7506-review-16336Read 15 October 2026Review spec list: internal metal notched headband with foam padding. The cover material is not stated.

Frame material

Plastic with metal reinforcements8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026Lightweight plastic build save for metal reinforcements

Plastic and metal11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Material chassis: plastic, metal12Measurementsoundguys.com/sony-mdr-7506-review-16336Read 15 October 2026Metal on the outer housing around the drivers and an internal metal notched headband, with plastic and vinyl elsewhere

Ear cup material

Plastic8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026Matte plastic ear cups with a glossy black logo. The build is lightweight plastic apart from metal reinforcements. The review text says both that the ear cups rotate 15 degrees and that the ATH-M20x has no rotating ear cups, so no swivel value is stored.

Not available

Ear pad material

Vinyl8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026Vinyl-covered ear pads

Synthetic leather9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026Soft synthetic leather earpads13Reviewhomestudiobasics.com/sony-mdr-7506-review-2Read 15 October 2026Faux leather ear pads that peel and flake over time

Replaceable ear pads

Yes1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Sold separately: replacement ear pads HP-M30x

Yes1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Box on the precautions page: Replacement parts: earpads. Consult an authorized Sony retailer or www.sony.com for information about replacement parts. The same page warns that the earpads may deteriorate with long-term use.14Reviewifixit.com/Guide/How+to+Replace+Sony+MDR-7506+Ear+Pads/154979Read 15 October 2026iFixit repair guide for replacing the ear pads: carefully peel the cushions off along the speaker's outer edge15Retailer pageamazon.com/dp/B000AJIF4ERead 15 October 2026Listing image callout: easy to replace earpads

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.

Stretch-over9Owner's manualdocs.audio-technica.com/eu/p52521_mseries_earpad_replacement.pdfRead 21 October 2026Audio-Technica instruction P52521 for HP-EP replacement earpads names the ATH-M20x among the models. Step 2: slide the new earpad's flange into the slot of the earcup. Step 3: gently stretch the flange over the slot until the pad is securely in place.

Stretch-over14Reviewifixit.com/Guide/How+to+Replace+Sony+MDR-7506+Ear+Pads/154979Read 15 October 2026Steps 4 and 5: the new cushion flaps go into the crevice and the free lip is pulled over the speaker edges, with some stretch needed. That is a stretch-over fit.

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

Not available

Not available

Ear tips included

Not available

Not available

Dust and water rating

Not available

Not available

User-replaceable parts

Ear pads (HP-M30x)1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Sold separately: replacement ear pads HP-M30x

Ear pads1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Replacement parts: earpads. The iFixit guide shows the ear pads can be swapped by the user.14Reviewifixit.com/Guide/How+to+Replace+Sony+MDR-7506+Ear+Pads/154979Read 15 October 2026The guide covers ear pads only

Software

None of 3 known

Companion app

Not available

Not available

App platforms

Not available

Not available

User firmware updates

Not available

Not available

Dimensions and weight

1 of 2 differ

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

190g(6.7 oz)1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026Mass without cord (質量(コード除く)): about 190 g. The cord is fixed, so the stored value excludes it, as the maker states3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Weight 190 g (6.7 oz) without cable and connector8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026Review page lists 190 g, the same as the maker

230g(8.1 oz)1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Mass approx. 230 g (8.12 oz) without cable. This settles the conflict with the Sony Australia page, which says 260 g.3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Specifications: Weight 8.1 oz, which is 229.6 g. The Sony operating instructions give approx. 230 g (8.12 oz) without cable, so 230 g is stored. Sony Australia lists 260 g without cord, which no other source supports.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026Weight 8.1 oz, about 230 g. Thomann and SoundGuys give 230 g without the cable8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Weight 230 g9Retailer pagethomann.ie/sony_mdr7506_kopfhoerer.htmRead 15 October 2026Weight without cable 230 g and with cable 298 g. The page also has a separate Weight field of 215 g that is not explained and not used. Thomann lists a 1.2 m spiral cable, which is the coiled length. The maker says it extends to 3 m10Reviewsoundonsound.com/node/4918347Read 15 October 2026Quite light at just 230g11Spec databasesoundguys.com/product/sony-mdr7506Read 15 October 2026Weight 230 g12Measurementsoundguys.com/sony-mdr-7506-review-16336Read 15 October 2026The headphones weigh 230 g excluding the cable. The cable is fixed, so the stored value excludes it, as the maker states

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

1 of 3 differ

Hi-Res Audio

Not available

Not available

Communication certifications

Not available

Not available

FCC ID

Not available

Not available

Other certifications

EMC (2004/108/EC), RoHS (2011/65/EU)3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Declaration of Conformity TCF No. ATTWCE-HP140318001 (PDF page 9, dated 18 March 2014) covers ATH-M20x/30x/40x/50x. It states conformity with the EMC Directive 2004/108/EC (EN 55103, EN 55020) and the RoHS Directive 2011/65/EU (EN 50581:2012). Section 2.4 describes a microphone and is a copy error, so it is not used.

Not available

In the box

3 of 3 differ

In the box

Headphones with fixed 3.0 m cable, 6.3 mm stereo plug adapter3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Accessory included: 6.3 mm (1/4 inch) snap-on adapter. No pouch or other accessory is listed4Owner's manualaudio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdfRead 15 October 2026Accessories for the ATH-M20x: the 6.3 mm stereo plug adapter7Retailer pagethomannmusic.com/audio_technica_ath_m20x.htmRead 15 October 2026Incl. a 6.3 mm adapter8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026Ships with a 1/4 inch adapter and no other extras

Headphones with fixed coiled cable, Carrying pouch, Screw-on 6.3 mm plug adaptor3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Features: protective carry pouch and a gold-plated Unimatch 3.5mm/6.3mm adaptor.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026What's in the box: headphones, soft case and 1/4 inch adapter7Maker spec sheet (PDF)bpm-media.imgbolt.de/media/pdf/70/d8/a0/EN_Sony_MDR_7506_1.pdfRead 15 October 2026The headphones come with a protective carry pouch and a gold-plated Unimatch 3.5 mm/6.3 mm adaptor15Retailer pageamazon.com/dp/B000AJIF4ERead 15 October 2026Listing image What's in the box: headphones, screw-type plug adaptor (6.3 mm), pouch and the coiled cable

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

AAudio-Technica ATH-M20x

Type	Length (m)	Count
Straight cable, fixed to the left ear cup	3	1

Source3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Cable: 3.0 m (9.8 ft), straight, left-side exit. The MusicRadar copy of the maker release calls it permanently attached

BSony MDR-7506

Type	Length (m)	Count
Coiled cable, fixed to the headphones, 1.2 m coiled and extends to 3 m	3	1

Source15Retailer pageamazon.com/dp/B000AJIF4ERead 15 October 2026Listing image What's in the box: 1.2 m (extendable to 3 m) coiled, non-detachable cable

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

None8Measurementsoundguys.com/audio-technica-ath-m20x-review-63732Read 15 October 2026You don't get any extras, not even a carry bag

Soft1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Specifications: Included items Stereo Headphones (1), Carrying pouch (1).3Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Features: protective carry pouch.5Retailer pageshop.ccisolutions.com/StoreFront/product/sony-mdr-7506Read 15 October 2026What's in the box: soft case7Maker spec sheet (PDF)bpm-media.imgbolt.de/media/pdf/70/d8/a0/EN_Sony_MDR_7506_1.pdfRead 15 October 2026Protective carry pouch8Spec databaseik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdfRead 15 October 2026Carrying case: yes15Retailer pageamazon.com/dp/B000AJIF4ERead 15 October 2026Pouch in the box

Links

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Product page

www.audio-technica.co.jp/product/ATH-M20x1Maker product pageaudio-technica.co.jp/product/ATH-M20xRead 15 October 2026

electronics.sony.com/audio/headphones/all-headphones/p/mdr75063Maker product pageelectronics.sony.com/audio/headphones/all-headphones/p/mdr7506Read 21 October 2026Sony Electronics US store page for MDR-7506. Price $114.99 on the access date. The specification table sits behind the Specifications and See More toggles.

Spec sheet

docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdf3Maker spec sheet (PDF)docs.audio-technica.com/eu/DOC_ATH-M20x_30x_40x_50x.pdfRead 15 October 2026Official technical construction file TCF ATTWCE-HP140318001 dated 2014-03-18. The ATH-M20x table is on PDF page 6. Image-only PDF, read visually

bpm-media.imgbolt.de/media/pdf/70/d8/a0/EN_Sony_MDR_7506_1.pdf7Maker spec sheet (PDF)bpm-media.imgbolt.de/media/pdf/70/d8/a0/EN_Sony_MDR_7506_1.pdfRead 15 October 2026One-page Sony Professional EU datasheet MDR-7506/1 hosted by a retailer. It has text and a photo but no specification table

Manual

www.audio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdf4Owner's manualaudio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdfRead 15 October 2026Shared ATH-M50x, ATH-M40x, ATH-M30x and ATH-M20x user manual with a Japanese and an English section

www.sony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdf1Owner's manualsony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdfRead 21 October 2026Sony Stereo Headphones Operating Instructions, English, copyright 2020, listed on the Sony USA MDR-7506 support page with release date 2020-08-25. The PDF is two pages and the English specifications are on page 1.

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.

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Warranty

0 of 1 differ

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

1year4Owner's manualaudio-technica.co.jp/pdf/support/ATH-M20x-50x_UM.pdfRead 15 October 2026Japanese warranty certificate: one year from purchase. It is valid only in Japan. This is Japan coverage, not a global warranty claim

1year2Maker spec sheet (PDF)sony.com/electronics/support/res/manuals/5013/f03b16204ad97d2737b56e93cff3fbcb/50131712M.pdfRead 21 October 2026Sony Limited Warranty for Video & Audio, U.S. and Canada only, 1 year. It is the warranty document on the Sony USA MDR-7506 support page, release date 2026-06-13. The term runs from the original purchase from Sony or an authorized dealer.

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