Sennheiser Pro Audio HD 650 Open Back Professional Headphone

Sennheiser HD 650 Features: * 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 millimetre jack plug. Frequency response (Headphones):10 41000 Hz * Lightweight aluminum voice coils for very fast transient response * Cable length 118 inches