Features: 1, RCA ,MP3 Input ,Can be used as Ipod,MP3/MP4 headphone amplifier 2. Mini size easy to installation by DIY, especially good fit for car,motor bike ,computer speaker and other home audio DIY device. 3, Compact Size: 4.6 (L) * 2.9 (W) * 1.6 (H) inch 4, High quality stereo sound 5, It has flash rainbow light in the front panel and very beautiful at night. 6, Built in FM radio,Multi-functions for audio amp and fm radio 7, The detailed spec as bellow: ?Power Input: DC 12V ?P.M.P.O: 2 * 200 W ( Peak Music Power Out) ?R.M.S: 2 * 20 W ( Root Mean Square ), ?Impedance: 4 - 9 oh. ?Signal /Noise Rasio: 90 dB ?T.H.D: 1.0 % ?Audio signal Input Method: RCA input (back panel), Mp3 Input(Back panel) 8, Llight and Firm Aluminum alloy case structure and easy to distribute the heat. 9, A free power lead line will be provided to all customer. 10, This Item is not including power supply,you need to supply power with moto car cigar jack or other power adapter. 11,To meet the special request for the people who want to use this item for his home audio and need