• Frequency Range 20-40000Hz • Impedance Harman Target Version: 31-350ΩHarman Target with Improved Bass Version: 16-200Ω • Sensitivity Harman Target Version: 105±3dBHarman Target with Improved Bass Version: 103±3dB • Plug Type 3.5mm • Pin Type 0.75mm • Cable Flat transparent black cable • Cable Length 120±5cm • Inside the Box 1 x KZ Castor User Manual