Sennheiser HD 660s Audiophile Headphones - Discontinued xlr-3 female Bathys features refined materials such

Bathys features refined materials such as a real leather and microfiber headband

Greater customization

The Over-voltage Surge Protection (OSP) is an auto detection and cut-off circuit

thus allowing users to experience HiFi-level quality with this cost-effective TWS

4mm balanced output: 9 hours Volume 29 Gain super high

Sennheiser HD 660s Audiophile Headphones - Discontinued xlr-3 female Bathys features refined materials suchHD 660S The perfect blend of power and control. The powerhouse open back headphone Connects you to the deepest corners of your music collection. Hi fidelity sound Open back design 42mm transducers Luxurious comfort Detachable cable A Direct Connection To Your Music Known for their engaging signatures and liquid smooth response, HD 660S predecessors HD 650 and HD 600 shattered performance barriers in the audiophile headphone category. The HD 660S