beyerdynamic DT 900 PRO X vs Dan Clark Audio STEALTH

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DT 900 PRO X compared with STEALTH

	beyerdynamicDT 900 PRO X	Dan Clark AudioSTEALTH
Overview
Released
Released	October 2021	August 2021
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	45 mm	–
Back
Back	Open	Closed
Impedance
Impedance	48 ohms	23 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	76 × 51 mm single-ended 4th-generation v-Planar planar magnetic; Acoustic Metamaterial Tuning System (AMTS); ~90 dB/mW; THD < 0.03% 20 Hz – 20 kHz (ref. 1 kHz at 94 dB), < 0.1% ref 80 dB white noise; driver matching 0.25 dB weighted 20 Hz – 10 kHz
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	345 g (better)	415 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	Over-ear, closed-back; synthetic suede and protein-leather ear pads; self-adjusting suspended strap on a nickel-titanium headband; carbon fibre baffle; carbon and aluminium cups; folding gimbals
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	Detachable VIVO cable, chosen at purchase - 2 m or 3 m with 6.35 mm or XLR plug, or 1.1 m or 2 m with 2.5 mm plug
Colours
Colours	Black	Matte black and red
In the box
In the box	Headphones, 3 m straight cable, 1.8 m straight cable, 6.35 mm adapter, bag	STEALTH headphones, carrying case, VIVO cable, certificate of authenticity, manual