Headphone HF26Monitoring Headphone SpecificationsHeadphone specification Driver diameter: 50mm Impedance: 32Ω Sensitivity: 98dB ± 3dB Frequency response: 20Hz 20KHz Cord length: Approx. 4.0m. Plug: 3.5mm+6.35mm . Comfortable with soft earpads . Styled for serious music lovers . Contoured body for superior comfort. PROFESSIONAL HEADPHONES