This audio amplifier is small in size and easy to operate, you can use it at home, and carrying it to your car is also very convenient. Features: AUX, U disk, MP3 format playing, support BT wireless connection. Supports FM function. With treble, bass, and volumecontrol, very easy to use. Low distortion supplies a clearer, stronge and more powerful sound. Two main channel output. With remote control for more convenient operation. DC/AC power in, suitable for both home and your car. Compact size and light weight for easy carrying. Specifications: Plug: EU-plug, US-plug (optional) Color: black Material: aluminum alloy Rated frequency: 20-20KHz SNR: 85dB Impedance: 4-16Ω Resolution: 47K Power: 30W+30W Remote battery: 1 * CR2025, 3V, 150mAh Item size: 173 * 73 * 33mm / 6.8 * 2.9 * 1.3in Package size: 230 * 177 * 70mm / 9.0 * 7.0 * 2.8in Package weight: 500g / 1.1lb Packing List: 1 * Audio Power Amplifier 1 * Power Cable 1 * Remote Control 1 * User Manual