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.Frequency response (Headphones):10 41000 Hz
• Lightweight aluminum voice coils for very fast transient response
• Cable length 118 inches
• Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05percent

• Improved frequency response of 10 39,500 Hertz ( 10 dB) for rich sound
• Hand selected matched driver elements
• High power neodymium magnets deliver maximum efficiency
• Lightweight aluminum voice coils for very fast transient response