Sennheiser HD 660s2 Audiophile Headphones (Open Box) ipx and bass to your subwoofers

and bass to your subwoofers

The result is a driver with excellent sound quality and minimal distortion with the added bonus of being ultra-sensitive

HIFIMAN'S NEO "supernano" Diaphragm (NSD)

The sound is more transparent

Our signature audio delivers the most realistic soundscape for a competitive advantage in any battle

Sennheiser HD 660s2 Audiophile Headphones (Open Box) ipx and bass to your subwoofersDive deeper into your music. 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. Extended sub bass Natural, warm sound Comfortable open back design Your new desert island headphone Every high end headphone has its own unique personality. What if you could only own one? Ever felt goosebumps from sound so