Sennheiser HD 650 Open Back Professional Headphone
- Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05 percent
- Improved frequency response is 10 39,500 Hertz ( 10 dB)
- Hand selected matched driver elements; Highly optimized magnet systems for minimum harmonic and inter modulation distortion
- High power neodymium magnets deliver maximum efficiency ; 3.5 millimeter jack plug
- Lightweight aluminum voice coils for very fast transient response.