HD 660S Open Back Dynamic Headphones
Sophisticated audiophile sound in even more situations. Exceptional sound supports immersive music. Sennheiser technology features improved diaphragm control. Offers reference-glass fidelity with hi-res mobile players. Comes with a choice of cables. Thick padded headband and replaceable ear cushions support hours of listening in comfort. Impedance of 150 Ohms. Frequency response: 10Hz - 41kHz. Includes: Cable with 6.35mm plug. Cable with 4.4mm Pentaconn plug. 6.35 to 3.5mm Adapter.