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: It is a small size power amplifier for 2.0CH speakers. With LCD display, backlight design. Supports MP3 function. With remote controller, full-featured remote control is supported. Can read U-disk and memory card, plug and play, Supports BT wireless connection. With treble, bass, and volumecontrol, very easy to use. Left and right channel output, rated power 40W + 40W. There are two microphone connectors that can be used to connect microphones. Specifications: Plug: EU-plug, US-plug (optional) Color: black Material: iron Distortion rate: 0.5% Rated frequency: 20-20KHz SNR: 85dB Impedance: 4-16 Resolution: 47K Power: 40W+40W Remote battery: 1 * CR2025, 3V, 150mAh Item size: 180 * 139 * 65mm / 7.1 * 5.5 * 2.6in Package size: 220 * 207 * 95mm / 8.7 * 8.1 * 3.7in Package weight: 800g / 1.8lb Packing List: 1 * Audio Power Amplifier 1 * Power Cable 1 * Remote Control 1 * User Manual