258386 Brand:SUOER Model:SON-8251A Quantity:1 piece(s) Color:Blue Material:Aluminum alloy Amplifier Class:B Function:MP3 Player Frequency response:20~20000 Hz Number of Channels:2 Input Power:150W Peak Power Output:150W+150W RMS Power Output:55W x 2 Input Sensitivity:16dB lnput Impedance:47K Signal To Noise Ratio:90 dB Slewing Rate:85% Input Voltage:12V Speaker Impedance:4~8 ohm THD (Total Harmonic Distortion):<1% Interface Audio， MP3， VCD / DVD， DC 12V power Remote Control:Yes Application:Car Other Features: With little distortion， the output dynamic characteristics， sound sweet; Overheating， overload automatic protection; Suitable for home， computer， car， motorcycle and outside use Packing List: 1 x Amplifier