Sennheiser HD 660 S Open-Back Over-Ear Headphones GEMCDM4000BT Top Height: 1-9/16"

Top Height: 1-9/16"

- 4-Channel amplifier

Chromecast built-in for streaming music from the cloud with compatible mobile apps

2 Metal kick-stands

Made fot your favorite platforms

Sennheiser HD 660 S Open-Back Over-Ear Headphones GEMCDM4000BT Top Height: 1-9/16"Sennheiser HD 660 S Open Back Over Ear Headphones The HD 660 S Open Back Dynamic Headphones from Sennheiser are headphones for the passionate audiophile and are crafted for the most demanding listener. Built with a transducer design that delivers lower harmonic distortion, they provide a natural, lifelike audio experience and can be used to produce crisp bass, transparent mid frequency response, and a natural treble when connected to high res players