ZNU 12v Mini Hi-fi Radio Mp3 Stereo Amplifier for Ipod Car Motorcycle Boat Home Amplifier 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.Remote control + Treble/Bass/Volume control