Description: This digital Hi-Fi audio amplifier can be used in your car or home audio system and it'll give your system a serious boost. With high quality and performance, it reduces signal interference during use, and has long operational life. This unit will ensure low distortion and acoustically accurate reproduction of audio. Features: 1. This is an integrated amplifier with SD/MMC card and USB input. You can also connect the DVD, CD or MP3 player to enjoy surround sound. 2. It requires a 12 volt DC power supply. (not included) 3. Product with IR remote control and FM antenna. 4. Up to 2 * 35W of output. 5. With high quality and performance, it reduces signal interference during use, and has long operational life. Specifications: Power supply: 12 V DC-16V DC DC power input jack: 2.1 * 5.5 mm Stable down to 4 ohms Minimum THD: <1% 85 dB Input impedance: 47k ohms FM tuner frequencies: 87.5-108 MHz FM receiver sensitivity: 16 dB FM signal-to-noise ratio: 60 dB Channel separation: 39 dB Size: 15.5 * 9.5 * 4cm / 6.1 * 3.7 * 1.6in Weight: Approx. 283g Package List: 1 * Power Amplifier 1 * Remote Control (With Battery) 1 * Manual 1、This is an integrated amplifier with SD/MMC card and USB input. You can also connect the DVD, CD or MP3 player to enjoy surround sound 2、It requires a 12 volt DC power supply. (not included) 3、Product with IR remote control and FM antenna 4、Up to 2 * 35W of output 5、With high quality and performance, it reduces signal interference during use, and has long operational life