Bose QuietComfort vs Sennheiser HD 600

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QuietComfort compared with HD 600

	BoseQuietComfort	SennheiserHD 600
Overview
Released
Released	2000	1997
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	No
Back
Back	Closed	Open
Impedance
Impedance	–	300 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	–	Dynamic, diffuse-field equalised; 12 – 40,500 Hz (–10 dB); 97 dB SPL at 1 kHz (1 Vrms); THD ≤ 0.1% (1 kHz, 1 Vrms); long-term input power 0.2 W (DIN 45580)
Noise cancelling detail
Noise cancelling detail	Noise cancellation works with the audio plug disconnected; the in-line box carries the power and Hi/Lo controls	–
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 80 hours	No battery (wired)
Battery life detail
Battery life detail	Bose states an average 80 hours from two AAA alkaline cells; the indicator flashes with at least eight hours remaining	–
Design
Weight
Weight	–	260 g
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	In-line On/Off and Hi/Lo switch; the two levels affect audio volume but not noise cancellation	–
Fit and ear tips
Fit and ear tips	Around-ear cushions with adjustable headband and replaceable ear cushions	Circumaural, open-back; contact pressure approx. 6.0 N
Works with
Works with	Fixed cable with 3.5 mm audio plug; Bose also supplied dual 3.5 mm airline and 6.3 mm stereo adapters	Detachable 3 m oxygen-free copper cable with 3.5 mm plug; 3.5 mm to 6.35 mm adapter
In the box
In the box	–	HD 600 headphones with cable, 6.35 mm adapter