beyerdynamic DT 900 PRO X vs Focal Celestee

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DT 900 PRO X compared with Celestee

	beyerdynamicDT 900 PRO X	FocalCelestee
Overview
Released
Released	October 2021	January 2021
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	45 mm	40 mm
Back
Back	Open	Closed
Impedance
Impedance	48 ohms	35 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	STELLAR.45 dynamic drivers (45 mm, Sound On Sound), made in Heilbronn, open; neodymium ring magnet, copper-clad voice coil wire, three-layer diaphragm; 5 – 40,000 Hz; 100 dB SPL (1 mW, 500 Hz), 114 dB SPL (1 V, 500 Hz); THD at 1 mW 0.80% at 100 Hz, 0.05% at 500 Hz, 0.04% at 1 kHz; max. input power 100 mW short-term, 30 mW continuous	40 mm aluminium/magnesium 'M'-shaped dome; acoustic treatment inside the ear cups against resonance; 5 Hz – 23 kHz (±3 dB); sensitivity 105 dB SPL (1 mW, 1 kHz); THD 0.1% (1 kHz, 100 dB SPL)
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	345 g (better)	430 g
Headphone cable
Headphone cable	Yes	Yes
Fit and ear tips
Fit and ear tips	Circumaural, open-back; spring steel headband with memory foam pad; headband pressure 5.3 N; replaceable velour ear pads and headband pad	Circumaural, closed-back; semi-aniline leather ear pads with memory foam; leather and microfibre headband; aluminium yoke; leather-covered ear cups with stainless steel grille
Works with
Works with	3 m and 1.8 m straight cables, detachable, with a lockable 3-pin mini-XLR connector on one side; gold-plated 3.5 mm stereo jack with 6.35 mm adapter	1.2 m OFC 24 AWG cable with 3.5 mm unbalanced TRS jack; 3.5 mm to 6.35 mm adapter
Colours
Colours	Black	Navy Blue with Soft Copper details
In the box
In the box	Headphones, 3 m straight cable, 1.8 m straight cable, 6.35 mm adapter, bag	Headphones, 1.2 m 3.5 mm cable, 3.5 mm to 6.35 mm adapter, carrying case (250 x 240 x 120 mm)