Independent reviews · No sponsored rankings Updated October 2026

Beyerdynamic DT 900 PRO X

An accurate, comfortable open-back with easy-to-replace parts, making it a sensible studio pick.

88 out of 100

Very good

Best for: Home studio producers and critical listeners

Beyerdynamic's open-back studio headphone uses the STELLAR.45 driver and a low 48-ohm impedance, which makes it easier to drive than high-impedance studio headphones. SoundGuys lists a neutral sound signature and rates both its sound quality and comfort highly. Velour pads, cables and other parts are replaceable. It is somewhat heavy at 345g and is not built for portability.

What's good

  • Neutral, reference-style tuning
  • Low 48-ohm impedance
  • Comfortable velour pads
  • Replaceable parts and detachable mini-XLR cable

What's not

  • Heavy at 345g
  • Not portable or foldable
  • No isolation, like any open-back
Performance 89
Build quality 89
Value 84
How we rate →
Type
Over-ear, open-back, wired studio headphone
Driver
45mm STELLAR.45 dynamic
Impedance
48 ohms
Frequency response
5Hz to 40kHz
Sensitivity
100 dB SPL (1mW/500Hz)
Cable
Detachable mini-XLR, 3m and 1.8m, 3.5mm with 6.35mm adapter
Weight
345g (without cable)