- Frequency Response: 20Hz-20kHz- Driver Impedance: 32Ω±15% (at 1kHz 1mW)- Driver Size: 14.2mm- Rated Input Power: 2mW(at 1kHz)- Output S.P.L: 110±4dB (at 1kHz 1mW)- Microphone Sensitivitys: -40±3dB- Cord Length: 1.2m- Plug: 3.5mmEarphone RE601S