Features:- Mosfet power 2.1 channel mini hi-fi stereo car motorcycle amplifier.- High quality stereo sound and heavy bass output.- Automatic diagnosis work power source.- Special-purpose biplate integrated circuit; the output is big， timbre exquisite.- Works with MP3， MP4 and hi-fi systems.- Treble， bass and volume control.- Smart， lightweight Aluminum casing， allows for full control of your volume.- A jack for plugging your MP3 or MP4 into.- 200W max power output.- Low distortion.- Great for use on your vehicle or your home.Specifications:- DC input: 12V 2A- Output power: 20W RMS (200W PMPO) x 3- SIN ratio: More than 80dB- THD rated RMS power: Less than 0.1% at KHz- Speaker impedance: 4 - 16Ohm- AC / DC adapter input: 100 - 240V， 50 - 60Hz- AC / DC adapter output: DC 12V 2AModel : LP - 838Brand: LvpinFeatures: Durable， PortableMaterial : AluminumColor : Silver， BlackSpecial function : Car power amplifier supports USB， MP3， FM， SD， DVDPackage weight: 0.351 kgProduct size (L x W x H) : 14 x 10.5 x 3.5 cm / 5.50 x 4.13 x 1.38 inchesPackage size (L x W x H) : 15.5 x 12 x 4.5 cm / 6.09 x 4.72 x 1.77 inchesPackage contents: 1 x Lvpin LP-838 Car Motorbike Computer Power Amplifier Hi-Fi 2.1 CD MP3 MP4 Stereo Amplifier， 1 x Wiring Terminal