... Power Amplifier Amp For Mp3 Mp4 Ipod SKU:JB408 Description:Features:1, RCA ,MP3 Input ,Can be used as Ipod,MP3/MP4 headphone amplifier 2 ... beautiful at night. 6, Built in FM radio,Multi-functions for audio amp and fm radio 7, The detailed spec as bellow ... : 1.0 % Audio signal Input Method: RCA input (back panel), Mp3 Input(Back panel)8, Llight and Firm Aluminum alloy case ...