beyerdynamic DT 900 PRO X vs Focal Clear Mg Professional

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

DT 900 PRO X compared with Clear Mg Professional
beyerdynamicDT 900 PRO XFocalClear Mg Professional
Overview
ReleasedOctober 2021February 2021
Sound
TypeOver-earOver-ear
Noise cancellingNoNo
Driver size45 mm40 mm
BackOpenOpen
Impedance48 ohms55 ohms
Bluetooth codecsNone (wired)None (wired)
DriversSTELLAR.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 continuous40 mm magnesium 'M'-shaped dome; 'M'-shaped honeycomb internal grille; 5 Hz – 23 kHz (±3 dB) on focal.com, 5 Hz – 28 kHz on the product sheet; sensitivity 104 dB SPL (1 mW, 1 kHz); THD 0.25% (1 kHz, 100 dB SPL)
Battery
Listening time (maker's claim)No battery (wired)No battery (wired)
Design
Weight345 g (better)450 g
Headphone cableYesYes
Fit and ear tipsCircumaural, open-back; spring steel headband with memory foam pad; headband pressure 5.3 N; replaceable velour ear pads and headband padCircumaural, open-back; 20 mm memory foam ear pads covered in perforated microfibre; perforated microfibre and leather headband; solid aluminium yoke; external honeycomb grille
Works with3 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 adapter5 m cable with 6.35 mm TRS jack (coiled, per focal.com), 1.2 m straight cable with 3.5 mm TRS jack; 3.5 mm to 6.35 mm adapter; 3.5 mm sockets on the ear cups
ColoursBlack–
In the boxHeadphones, 3 m straight cable, 1.8 m straight cable, 6.35 mm adapter, bagHeadphones, 5 m 6.35 mm cable, 1.2 m 3.5 mm cable, 3.5 mm to 6.35 mm adapter, 2 spare ear pads, rigid carrying case (250 x 240 x 120 mm) with space for an iLok key

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