Brand Lepai Model LP-2020 Quantity 1 piece(s) Color Silver Material Aluminum alloy Amplifier Class T Frequency response 20~20000 Hz Number of Channels 2 Input Power 420W Peak Power Output 100+100W RMS Power Output 20+20W Input Sensitivity 16dB lnput Impedance 47K Signal To Noise Ratio 60 dB Slewing Rate 85% Input Voltage 10V-14.4V Speaker Impedance 4-8ohm THD (Total Harmonic Distortion) Interface 3.5mm jack Remote Control No Application car Other Features With original layout signal smoothly without interleaving; High current power supply circuit design; Special custom four import output inductance. Packing List 1 x Amplifier 1 x Power adapter (Feet flat plug AC110V-230V / 96cm) 1 x Chinese / English manual