HD 660 S Open-Back Dynamic Headphones HD660S

HKD $2,999.00
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A new audiophile versatility
The new HD 660 S lets you enjoy sophisticated audiophile sound in even more listening situations. The successor of the legendary HD 650 excels with the improved performance of its new transducer design. Thanks to its lower impedance, it delivers reference-class sound also when connected to hi-res mobile players, thus offering much greater versatility. The HD 660 S is an elegantly designed piece of high-quality engineering that indulges the demanding listener with aural precision and great wearing comfort.
In The Box
Sennheiser HD 660 S Open-Back Dynamic Headphones HD660S
Wearing style
matte black
Frequency response (Headphones)
9 – 41,500 Hz
Sound pressure level (SPL)
104 dB
THD, total harmonic distortion
< 0,04%
Contact pressure
6.0 N ± 1 N
Ear coupling
6.35 mm / 4.4 mm Pentaconn
Cable length
3 m
Transducer principle
Dynamic, open
Nominal impedance
150 Ω
Weight w/o cable
260 g