Two lucky winner's will discover just how good these headphones are.
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. The HD 660 S features a new transducer design developed by Sennheiser.
Additionally, the Sennheiser CX 6.00BT wireless in-ear headset is everything you need to enjoy your music and videos on the go. It offers superior fit and comfort, while advanced wireless technology makes sure that it sounds every bit like a Sennheiser should. With its intuitive controls, robust build, and long battery life the CX 6.00BT is bound to make your everyday more pleasurable, anywhere you go.