HiFi SPECS

Over-ear headphones · Released 2014

Audio-Technica ATH-M20x

11 of 19 specs confirmed at the source Confirmed means we found the value on the maker's own page or spec sheet. Reported means it comes from a listing or a review site. Unverified means we have not confirmed it at the source yet. Updated Oct 28, 2026

Wearing style
Over-ear
Driver type
Dynamic
Frequency response
15 Hz to 20 kHz
Impedance
47 Ω
Sensitivity
96 dBdB/mW
Weight
210 g
On the bench Response trace, stylized
As reviewed Audio-Technica ATH-M20x
20 Hz 100 1k 10k 20k

Compared across 24 headphones in our database.

At a glance

Audio-Technica ATH-M20x in 4 facts

  • Type: Over-ear headphones, wired
  • Frequency response: 15 Hz to 20 kHz
  • Impedance: 47 Ω
  • Sensitivity: 96 dB (dB/mW)

Datasheet

The numbers

Wearing style
Over-ear Confirmed by two independent sources
Design
Closed-back Confirmed by two independent sources
Driver type
Dynamic Confirmed by two independent sources
Driver size
40 mm Confirmed on the maker's page Source
Driver configuration
Closed-back dynamic Confirmed on the maker's page Source
Frequency response
15 Hz to 20 kHz Confirmed on the maker's page Source
Impedance
47 Ω Confirmed by two independent sources
Sensitivity
96 dB (dB/mW) Confirmed on the maker's page Source
Power handling
700 mW Confirmed on the maker's page Source
Maximum SPL
Not published by the maker

Connections

Connectivity & battery

Connectivity
Wired, 3.5 mm jack Reported in the Amazon listing
Wireless
No Reported in the Amazon listing
Noise cancellation
Passive Isolation only Reported in the Amazon listing
Cable
Fixed Reported on another website
Cable length
3 m 9.8 ft Confirmed by two independent sources
Built-in microphone
No Not yet confirmed against the maker's published specifications

Physical

Dimensions, weight, placement

Foldable
No Not yet confirmed against the maker's published specifications
Replaceable earpads
Yes Confirmed by two independent sources
Weight
210 g 7.4 oz Reported in the Amazon listing
Colors
Black White Reported in the Amazon listing

Availability

Where to buy

about $69 2 year warrantyManufacturer coverage

We don't show live prices. This is our editorial price tier, last checked Nov 4, 2026. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and reviews are never influenced by affiliate partners.

Audio-Technica ATH-M20x Check price