Beyerdynamic DT 900 PRO X vs Truthear Hexa (IEM)

A spec-by-spec look at two of the gaming headphones competitive players cross-shop. Beyerdynamic DT 900 PRO X is open-back — the wider, more accurate stage images footsteps and gunfire in space better than the iem Truthear Hexa (IEM). For pure positional audio it's the competitive pick; the iem wins on isolation (noisy rooms, LAN). The full breakdown — and which to buy for your style — below.

Specs compared

SpecBeyerdynamic DT 900 PRO XTruthear Hexa (IEM)Better
TypeOpen-backIEMBeyerdynamic DT 900 PRO X
Impedance48 Ω20.5 ΩEven
Sensitivity100 dB/mW120 dB/VEven
Power for 110 dB peaks~10.0 mW~4.9 mWTruthear Hexa (IEM)
Price classPremiumBudgetTruthear Hexa (IEM)
Sound reproduction
Footstepsedge5/5 ✓3/5
General use4/54/5
Music4/55/5 ✓
Only Footsteps is a competitive axis — and it saturates: any clean open-back clears the bar, so a higher score above baseline buys little advantage. General use & Music are comfort/preference.
Imaging notewide open stage, sharp imaging; cleaner, less-harsh Beyer trebleIEM; in-head narrow stage but precise imaging, excellent neutral tone

Which should you buy?

Specs are sourced (each product carries a source + verified date in our catalog); buy links are affiliate links to your regional store — AimBench may earn a commission at no cost to you. Live pricing shows on the retailer page.

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