- Connect with mobile phones, computers, MP3, MP4 and DVD players- Three channels, provide a variety of options- Mini car amplifier, save your car room and easy to operate- Mega bass part and volume control, offer you sensational music- All-aluminum and sand-blasting shell, not easy to be broken- Low consumption and excellent thermal stability- Total harmonic distortion: less than 0.4 percent     - S / N：75dB     - Frequency response: 29 - 18KHz     - Distortion: less than 0.1 ( 1KHz )     - Output power: RMS 15W x 2CH, SUBWoofer 20W x 1CH（at 14.4V DC input）     - Supply voltage: 12 - 14.4V DC 3 - 5AAmplif auto(home 12V 3A) 2x20W Lepy LP838