Brand Lepai Model LP-838 Quantity 1 piece(s) Color Black Material Aluminum alloy Amplifier Class B Function MP3 Player Frequency response 20~20000 Hz Number of Channels 2 Input Power 60W Peak Power Output 100W RMS Power Output 60W Input Sensitivity 16dB lnput Impedance 47K Signal To Noise Ratio 80 dB Slewing Rate 85% Input Voltage 12-18V Speaker Impedance 2-8ohm THD (Total Harmonic Distortion) Interface Audio MP3 VCD / DVD DC 12V power Remote Control Yes Application car Other Features Superb subwoofer amplifier; With little distortion the output dynamic characteristics sound sweet; Suitable for home computer car motorcycle and outside use. Packing List 1 x Amplifier