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Black over-ear headphones with padded headband and circular earcups

Audio-Technica

Audio-Technica ATH-M20X Closed-Back Headphones 40mm 47Ω 96dB 190g

SKU CH-RSA7-SHCJ8 MPN ATH-M20X

Closed-back over-ear headphones with 40 mm drivers, 15-20 kHz response and 47 Ω impedance for studio monitoring

  • TypeOver the Ear
  • ColorBlack
  • Driver Unit40mm
  • Frequency Response15Hz-20KHz
  • Input Impedance47 ohms
  • Sensitivity96 dB/mW
  • Closed-back design isolates sound for focused monitoring
  • 40 mm drivers reproduce frequencies from 15 Hz to 20 kHz
  • 96 dB sensitivity delivers clear output from standard sources
  • 47 Ω impedance suits studio gear and portable devices
  • Lightweight 190 g build with circumaural pads for long sessions

Professional monitor headphones

The Audio-Technica ATH-M20X are closed-back dynamic headphones built for studio monitoring, tracking and mixing. They suit home-studio owners, podcasters and anyone needing accurate sound reproduction on a modest budget. The 40mm drivers cover 15Hz-20KHz with 96dB sensitivity and 47Ω impedance.

Plug-and-play with dual connectors

A 3.5mm plug and 6.3mm adapter are attached to the coiled cable, so the headphones work straight from an audio interface, mixer or portable device. The 8.0 to 10.0 foot cord gives freedom of movement but can snag on desk clutter if not routed cleanly. The 190g weight and circumaural pads stay comfortable during long sessions.

Check your source output level

Because the impedance is 47Ω, most laptop and phone headphone jacks will drive them adequately, though dedicated gear provides cleaner headroom. Verify that your interface or mixer has a 6.3mm jack or keep the 3.5mm adapter handy. The closed-back design isolates sound but does not offer active noise cancellation.

Highlights

  • Closed-back design isolates sound for focused monitoring
  • 40 mm drivers reproduce frequencies from 15 Hz to 20 kHz
  • 96 dB sensitivity delivers clear output from standard sources
  • 47 Ω impedance suits studio gear and portable devices
  • Lightweight 190 g build with circumaural pads for long sessions

Specifications

BrandAudio-Technica
ModelATH-M20x
TypeOver the Ear
ColorBlack
Driver Unit40mm
Frequency Response15Hz-20KHz
Input Impedance47 ohms
Sensitivity96 dB/mW
Connector3.5mm/ 6.3mm
Ear CouplingCircumaural
Cord Length8.0 feet - 10.0 feet
Weight190 g (6.7 oz), without cable and connector
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

How can I confirm the ATH-M20X is reproducing sound accurately after I plug it in?

Play a reference track you know well; the 15Hz-20KHz frequency response and 96dB sensitivity should reveal detail across the full range without distortion at normal monitoring levels.

What comes in the box with the ATH-M20X and what must I buy separately?

The headphones include a detachable cable with both 3.5mm and 6.3mm connectors; no extra adapter is required unless your source uses a different jack size.

Which impedance version of the ATH-M20X should I choose for a laptop or audio interface?

The single 47-ohm version works directly with laptops, interfaces and portable devices — no higher- or lower-impedance model exists in this line.

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