Headphone

DT 900 Pro X vs HD 650

beyerdynamic

DT 900 Pro X

Sennheiser

Spec

DT 900 Pro X

HD 650

impedance

48 Ω

300 Ω

frequency response

5 – 40,000 Hz

10 – 41,000 Hz

sensitivity

100 dB/mW

103 dB/V

weight

345 g

260 g

driver type

Dynamic STELLAR.45, Open-back

Dynamic, Open-back

Shared Tags

Desktop

Unique Tags: DT 900 Pro X

NeutralWide SoundstageStudio

Unique Tags: HD 650

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2026-01-28