"Products that have been tested, checked, and thoroughly inspected to meet the same high-quality standards as our new products."
Enjoy your music on a completely new level. An intimate, relaxed sound signature combines with outstanding precision and exceptional comfort — and now, extended sub bass — for a deeply moving experience.
Every high-end headphone has its own unique personality. What if you could only own one?
Double the sub bass heightens your listening experience.
Uniquely powerful vented magnet system for minimized distortion
Intimate sound with great timbre and deep, accurate sub bass
Outstanding quality designed in Germany, made in Ireland
Ultra-light aluminum voice coil with 300-ohm impedance for excellent impulse response
Plush ear cushions and open design for maximum comfort
HD 660S2
Enjoy your music on a completely new level. An intimate, relaxed sound signature combines with outstanding precision and exceptional comfort — and now, extended sub bass — for a deeply moving experience.
Your new desert island headphone
Every high-end headphone has its own unique personality. What if you could only own one?
Sub bass expands the entire sound
Double the sub bass heightens your listening experience.
Features
Uniquely powerful vented magnet system for minimized distortion
Intimate sound with great timbre and deep, accurate sub bass
Outstanding quality designed in Germany, made in Ireland
Ultra-light aluminum voice coil with 300-ohm impedance for excellent impulse response
Plush ear cushions and open design for maximum comfort