... amplifier amplifier A6FM Audio Stereo Power Amplifier Amp For Mp3 Mp4 Ipod SKU:JB408 Description:Features:1, RCA ,MP3 ... fit for car,motor bike ,computer speaker and other home audio DIY device. 3, Compact Size: 4.6 (L ... . 6, Built in FM radio,Multi-functions for audio amp and fm radio 7, The detailed spec as ... Noise Rasio: 90 dB T.H.D: 1.0 % Audio signal Input Method: RCA input (back panel), Mp3 Input( ...