Sennheiser HD 620S Over Ear Closed Back Headphones PSU12 Sonance's Sinusoidal Textured Waveguide provides

Sonance's Sinusoidal Textured Waveguide provides the greatest dispersion possible so that everyone in the surrounding space receives the same experience

Volume Control Buttons

Atlas 180° DIN plugs are wired as follows by default:

“round” midrange

0W Standby (Network Standby ON)

Sennheiser HD 620S Over Ear Closed Back Headphones PSU12 Sonance's Sinusoidal Textured Waveguide providesWho said that closed back headphones couldnt sound that open? We believe in giving high performance audio enthusiasts the purest headphone listening experience possible, even when their surroundings are far from perfect. Enter the HD 620S an oasis for demanding listeners seeking a distraction free listening experience without compromising on natural, expansive sound. It delivers reference level detail, engaging dynamics and speaker like imaging in a