AudioChainsDB
Audio-Technica

ATH-M40x

headphones

$99

Used market: $75*

Find at ThomannManufacturer datasheet

Specifications

3 of 8 values have a recorded source
Connector
3.5 mm + 6.3 mm screw-on adapter·
Form Factor
Over-Ear·
Is Closed Back
yes·
Impedance ohms
35
Transducer Type
Dynamic·
Detachable Cable
yes·
Sensitivity dB mW
98
Release Year
2014·

Expert Audio Engineering Commentary

Tonal Profile

A 40 mm driver against the M50x's 45 mm, 35 Ω against 38 — electrically the two are interchangeable, and any source that drives one drives the other. The difference is tuning and bandwidth, not load.

* Estimated with the depreciation fallback (~76% retained value). · checked on 8/5/2026