beyerdynamic DT 1770 PRO vs beyerdynamic DT 1770 PRO MKII

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DT 1770 PRO compared with DT 1770 PRO MKII

	beyerdynamicDT 1770 PRO	beyerdynamicDT 1770 PRO MKII
Overview
Released
Released	September 2015	October 2024
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	45 mm	45 mm
Back
Back	Closed	Closed
Impedance
Impedance	250 ohms	30 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	45 mm Tesla dynamic drivers, closed; 5 – 40,000 Hz; 102 dB SPL (1 mW, 500 Hz); max. 125 dB SPL (200 mW, 500 Hz); THD < 0.05% (1 mW, 500 Hz); rated power handling 200 mW	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
Noise cancelling detail
Noise cancelling detail	No active noise cancelling; passive attenuation approx. 18 dBA with velour ear pads, approx. 21 dBA with leatherette	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	388 g	377 g (better)
Headphone cable
Headphone cable	Yes	Yes
Fit and ear tips
Fit and ear tips	Circumaural, closed-back; nominal headband pressure approx. 7.2 N; spring steel headband; replaceable headband padding and ear pads, velour and black leatherette sets supplied	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)
Works with
Works with	3 m straight cable and 5 m coiled cable (extended), detachable, with a 3-pin mini-XLR connector on one side; gold-plated 3.5 mm stereo jack with 6.35 mm adapter (the manual; beyerdynamic's product page lists a 6.35 mm jack plug)	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
Colours
Colours	–	Black
In the box
In the box	Headphones, velour ear pads, black leatherette ear pads, 3 m straight cable, 5 m coiled cable, hard case	Headphones, velour ear pads, leatherette ear pads (each with acoustic disc), 3 m straight cable, 5 m coiled cable, hard case