Equation RP-22X Extreme Stereo Monitor Headphones Sensitivity: 106dB 3dB (1mw @ 1kHz) Frequency Response: 10Hz - 20kHz 3dB Fantasy Response: 1Hz - 100kHz Impedance: 32 Ohms ( 15%) Cable: Detachable ? 3m (9.8'), Coiled (straight optional) * Plutonium free polymer