Sennheiser HD 660S2 Open Over-Ear Headphones with Optimized Surround & Improved Transducer Airflow

Dive Deeper Into Legendary Sound. 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. The extremely precise yet non-fatiguing sound of the HD 660S2 delivers even more impact with extended sub-bass. With an optimized surround transducer airflow and coil Sennheiser's engineers doubled the sound pressure at the lowest octaves. You can feel the lowest note on the piano or the kick of the bass drum as if you were there. The relaxed tone and open-back design make these extremely comfortable headphones great for long sessions. With warm tuning smooth treble and strong bass the standard setter for extended listening is now the standard setter extended bass as well.

Features:
Uniquely powerful vented magnet system for minimized distortion.

What's in the Box:
•HD 660S2 Open Over-Ear Headphones with Optimized Surround & Improved Transducer Airflow
•6.3 mm cable (5.9 ft)
•4.4 mm cable (5.9ft)
•6.3 mm to 3.5 mm adapter
•Carry pouch