beyerdynamic DT 1770 PRO MKII vs Sony MDR-M1

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DT 1770 PRO MKII compared with MDR-M1

	beyerdynamicDT 1770 PRO MKII	SonyMDR-M1
Overview
Released
Released	October 2024	September 2024
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	45 mm	40 mm
Back
Back	Closed	Closed
Impedance
Impedance	30 ohms	50 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	TESLA.45 dynamic drivers, made in Heilbronn, closed; 5 – 40,000 Hz; 95 dB SPL (1 mW, 500 Hz), 110 dB SPL (1 V, 500 Hz); THD at 1 mW 0.20% at 100 Hz, 0.04% at 500 Hz, 0.1% at 1 kHz; power handling 100 mW short-term, 30 mW continuous	Dynamic, 40 mm; 5 – 80,000 Hz (JEITA); 102 dB/mW; maximum input 1,500 mW (IEC)
Noise cancelling detail
Noise cancelling detail	No active noise cancelling; passive attenuation 25 dBA	–
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	377 g	216 g (better)
Headphone cable
Headphone cable	Yes	Yes
Fit and ear tips
Fit and ear tips	Circumaural, closed-back; spring steel headband with memory foam pad and fontanelle recess; nominal headband pressure 6 ± 0.5 N; replaceable headband pad and ear pads (velour with slight bass boost, leatherette for linear sound)	Circumaural, closed-back; thick low-resilience urethane foam ear pads, replaceable
Works with
Works with	3 m straight and 5 m coiled PRO X 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 1.2 m and 2.5 m cables with 3.5 mm plugs; 3.5 mm to 6.3 mm adapter
Colours
Colours	Black	Black
In the box
In the box	Headphones, velour ear pads, leatherette ear pads (each with acoustic disc), 3 m straight cable, 5 m coiled cable, hard case	MDR-M1 headphones, 1.2 m and 2.5 m cables, 3.5 mm to 6.3 mm adapter