AKG K712 PRO vs Sony MDR-1R

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K712 PRO compared with MDR-1R

	AKGK712 PRO	SonyMDR-1R
Overview
Released
Released	June 2013	October 2012
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	62 ohms	24 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	Dynamic, with flat-wire voice coils; pre-selected transducers; low-end output raised by 3 dB; 10 – 39,800 Hz; 105 dB/V; maximum input power 200 mW	Dynamic dome-type drivers with liquid-crystal-polymer diaphragms and OFC voice coils; 4 Hz – 80 kHz stated response; 105 dB/mW sensitivity; 1,500 mW maximum input
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	235 g (better)	240 g
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	–	Inline microphone and remote on the supplied cable for compatible iPhone, iPod and iPad models
Fit and ear tips
Fit and ear tips	Circumaural, open-back; soft genuine-leather headband; replaceable ear pads	Enfolding cushions, inward-axis ear-cup pivots, silicone-damped joints and swivelling housings; headband does not fold, as noted by Reviewed
Dimensions
Dimensions	–	Approximately 240 g without the cord
Works with
Works with	Detachable 3 m single-sided OFC cable with a mini-XLR connector at the headphone end and a gold-plated 3.5 mm plug; gold-plated 3.5 to 6.3 mm adapter; additional 3 m coiled cable	Detachable 1.2 m PCOCC cables; four-conductor gold-plated L-shaped 3.5 mm stereo plug on the remote cable
Colours
Colours	Black and orange	–
In the box
In the box	K712 PRO headphones, straight cable, coiled cable, 6.3 mm adapter, carrying bag	Headphones, 1.2 m microphone/remote cable, 1.2 m plain connecting cable and carrying pouch; Japanese package listed by Sony