beyerdynamic DT 990 PRO vs Sony MDR-V6

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DT 990 PRO compared with MDR-V6

	beyerdynamicDT 990 PRO	SonyMDR-V6
Overview
Released
Released	1985	1985
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	–	40 mm
Back
Back	Open	Closed
Impedance
Impedance	80 ohms	63 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	Dynamic, open; 5 – 35,000 Hz; nominal sound pressure level 96 dB; 80 or 250 ohms	Dynamic drivers; 5 Hz – 30 kHz stated frequency response; 106 dB/mW sensitivity; 1,000 mW power handling, listed in Sony's 2002 accessories catalogue
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	250 g	–
Headphone cable
Headphone cable	Yes	Yes
Fit and ear tips
Fit and ear tips	Circumaural, open-back; velour ear pads; headband pressure approx. 3.5 – 5.5 N	Circumaural closed cups; folding design and wide padded adjustable headband
Dimensions
Dimensions	–	7.8 oz weight, as listed in Sony's 2002 accessories catalogue
Works with
Works with	3.5 mm plug with 6.35 mm adapter; 3 m straight cable (80 ohms) or 3 m coiled cable (250 ohms)	Fixed single-sided oxygen-free copper litz coiled cable; 10 ft extended length and stereo UniMatch plug in Sony's 2002 catalogue; 3.5 mm plug with threaded 6.3 mm adaptor described by Reviewed
Colours
Colours	–	Black
In the box
In the box	–	Headphones, soft carrying case and plug adaptor