ZNU FM Audio +MIC + MP3 Speaker HiFi Mini Amplifier for ipod Motorcycle car Mini Amp This special purchase mini audio amplifier is ideal for both home and car audio applications. Can play the disk SD /MMC card for music and FM stereo radio, support Microphone Mp3 music format.( USB+SD +FM) Select high-power 2 channel professional power amplifier integrated circuits, minimal distortion, strong power Pre-professional level input operational amplifier IC for circuit design, sound , transparent, bright. Voltage: DC 12V,Output Power: 2* 40W.Treble/Bass/Volume control. Packing Content: 1X Stereo Amplifier, 1X Controller,1X Use Manual