Sony MDR-CD3000 vs Sony MDR-M1

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MDR-CD3000 compared with MDR-M1

	SonyMDR-CD3000	SonyMDR-M1
Overview
Released
Released	1991	September 2024
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	50 mm	40 mm
Back
Back	Closed	Closed
Impedance
Impedance	32 ohms	50 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	Dynamic dome drivers with bio-cellulose diaphragms and neodymium magnets; 20 Hz – 20 kHz stated response; 104 dB/mW sensitivity; 1,000 mW power handling	Dynamic, 40 mm; 5 – 80,000 Hz (JEITA); 102 dB/mW; maximum input 1,500 mW (IEC)
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	400 g	216 g (better)
Headphone cable
Headphone cable	Yes	Yes
Fit and ear tips
Fit and ear tips	Circumaural closed cups with angled Aura-Nomic drivers, self-adjusting headband and collagen-composite floating-support ear pads, described in Sony's 2002 catalogue	Circumaural, closed-back; thick low-resilience urethane foam ear pads, replaceable
Dimensions
Dimensions	Approximately 400 g without the cord, as specified in Sony's service manual	–
Works with
Works with	Fixed approximately 3 m 6N oxygen-free copper litz cable with gold-plated stereo two-way plug	Detachable 1.2 m and 2.5 m cables with 3.5 mm plugs; 3.5 mm to 6.3 mm adapter
Colours
Colours	–	Black
In the box
In the box	Headphones, hard carrying case and UniMatch plug adaptor	MDR-M1 headphones, 1.2 m and 2.5 m cables, 3.5 mm to 6.3 mm adapter