Headphone

DT 900 Pro X vs HD 800 S

beyerdynamic

DT 900 Pro X

Sennheiser

Spec

DT 900 Pro X

HD 800 S

impedance

48 Ω

300 Ω

frequency response

5 – 40,000 Hz

4 – 51,000 Hz

sensitivity

100 dB/mW

102 dB/mW

weight

345 g

330 g

driver type

Dynamic STELLAR.45, Open-back

Dynamic Ring Radiator, Open-back

Shared Tags

Wide SoundstageDesktop

Unique Tags: DT 900 Pro X

NeutralStudio

Unique Tags: HD 800 S

AnalyticalClassicalReference

Building a ¥300,000 Audio Setup — Gateway to High-End

2026-01-20