Headphone

DT 900 Pro X vs IE 600

beyerdynamic

DT 900 Pro X

Sennheiser

Spec

DT 900 Pro X

IE 600

impedance

48 Ω

18 Ω

frequency response

5 – 40,000 Hz

6 – 46,500 Hz

sensitivity

100 dB/mW

119 dB/mW

weight

345 g

6 g

driver type

Dynamic STELLAR.45, Open-back

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driver

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7mm TrueResponse transducer

Unique Tags: DT 900 Pro X

NeutralWide SoundstageStudioDesktop

Unique Tags: IE 600

ReferencePortableAnalytical

IE600 + iFi GO bar — Reference Portable

reference · portable · iem

Best Portable DACs for the IE600 — Recommended Setups

2026-03-20