Sennheiser HD 600 vs Sony MDR-7506

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

HD 600 compared with MDR-7506

	SennheiserHD 600	SonyMDR-7506
Overview
Released
Released	1997	1991
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	300 ohms	63 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)	Dynamic, 40 mm dome-type; 10 – 20,000 Hz; 106 dB/mW; maximum input 1,000 mW (IEC)
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	260 g	230 g (better)
Headphone cable
Headphone cable	Yes	Yes
Fit and ear tips
Fit and ear tips	Circumaural, open-back; contact pressure approx. 6.0 N	Circumaural, closed-back; folds; click-scale headband sliders
Works with
Works with	Detachable 3 m oxygen-free copper cable with 3.5 mm plug; 3.5 mm to 6.35 mm adapter	Fixed coiled cable, about 1.2 m (about 3 m extended), with a gold-plated two-way stereo plug (3.5 mm and 6.3 mm)
Colours
Colours	–	Black
In the box
In the box	HD 600 headphones with cable, 6.35 mm adapter	MDR-7506 headphones, carrying pouch