| Can play MP3 format music from U disk and SD/MMC card directly,support FM stereo radio,Selected high-power four-channel professional power amplifier integrated circuits,minimal distortion but strong power,Amateur professional level input and operational amplifier IC for circuit design,transparent and bright soundFiltering and anti-large-capacity power circuit,Four DSP sound field patterns,Two main channels and two surround channel output,Input voltage:DC 12V,Frequency response:20Hz - 20KHzHarmonic distortion:0.05pct and less ( 4W 1KHz ),SNR:85dB,High control:12dB,Bass control:12dBSignal level:220MV 47K,FM frequency response:87.5 - 108MHz,Power:20W x 2color:red Material:aluminum alloyProduct | |