AKG K701 vs Bose QuietComfort 3

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K701 compared with QuietComfort 3

	AKGK701	BoseQuietComfort 3
Overview
Released
Released	2005	2006
Sound
Type
Type	Over-ear	On-ear
Noise cancelling
Noise cancelling	No	Yes
Back
Back	Open	Closed
Impedance
Impedance	62 ohms	–
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Noise cancelling detail
Noise cancelling detail	–	Noise cancellation can run with the audio cable detached; the power switch is on the right earcup
Drivers
Drivers	Dynamic, with flat-wire voice coils and Varimotion two-layer diaphragms; neodymium magnets; 10 – 39,800 Hz; 105 dB SPL/V at 1 kHz; maximum input power 200 mW	–
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	Up to 20 hours
Battery life detail
Battery life detail	–	The 2006 Bose battery instructions state approximately 20 hours per charge; a later Bose owner guide states approximately 25 hours. The battery is removed from the right earcup and charged in a separate mains charger
Design
Weight
Weight	235 g	–
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	–	Power switch and indicator on the right earcup; audio volume is controlled at the source
Fit and ear tips
Fit and ear tips	Circumaural, open-back; padded genuine-leather headband; 3D-foam ear pads; individually tested and numbered	On-ear cushions and rotating earcups that fold flat into the carrying case
Works with
Works with	Fixed 3 m OFC cable with a gold-plated 3.5 mm plug and a screw-on 6.3 mm adapter (AKG's spec page; Stereophile lists a 6.3 mm plug)	Detachable audio cable with 3.5 mm source plug; supplied dual-plug airline adapter
In the box
In the box	–	Headphones, removable battery, battery charger, audio cable, airline adapter and carrying case; later packages included an Apple-compatible remote and microphone cable
Colours
Colours	White	–