1.12v small amplifier 2. remote/FM 3.bulid in SD and USB reader 4.spk out protection

1.FM 87.5MHz - 108.5MHz

2.home/car amplifier with remote3.bulid in SD and USB reader4.spk out protection

5.12v Small amplifier

 signal to noise ratio:≥75db

 total harmonic distortion:≤0.5%

frequency response:40Hz-16KHz

R.M.S:50W X 2 

Mp3 Car Amplifier 12V amplifier