Sennheiser HD 450BT Color:Black it uses these Silmic II

it uses these Silmic II capacitors

9') detachable cables included with the headphones

The ES9281AC is a flagship-grade decoding chip that ensures high-quality audio performance with ultra-low distortion and high SNR ratings

improved 3D Wing Support system and super soft earpads

Distortion: <1%

Sennheiser HD 450BT Color:Black it uses these Silmic IIDescription Specification Package Content The Sennheiser HD Series your audio companion for every need! Crafted from high quality materials, the robust and stylish HD models offer an exceptional combination of versatility and superior sound. At home, while listening to a podcast or on the go with your favorite song, you can count on the new HD series to be your ultimate companion for wireless audio whatever you listen to. Enjoy your music without