Features: 1.Memory card, AUX, U disk, MP3 format playback, support Bluetooth wireless connection. 2.Support FM stereo radio, FM Frequency is 87.5 ? 108MHz, with the function of treble, bass and volume control. 3.Low distortion supplies a clearer, stronger and more powerful sound. Two main channel outputs, with remote control function. 4.DC/AC power input, suitable for home or car. Easy to operate, direct installation and use. 5.Made of metal material, it has the advantages of sturdiness and durability and long service life. Specification: Item Type: Power Amplifier_x005F_x000D_ Materrial: Metal_x005F_x000D_ Application: DC/ AC power in, suitable for home or your car._x005F_x000D_ Input Voltage: AC 220V_x005F_x000D_ Plug: EU plug_x005F_x000D_ Bluetooth: Support_x005F_x000D_ Output Power: 18W + 18W_x005F_x000D_ Channel: 2 Channel_x005F_x000D_ Load Impedance: 4 - 8_x005F_x000D_ SNR: 85 db_x005F_x000D_ FM Frequency: 87.5 - 108MHz_x005F_x000D_ Distoration Rate: 0.05%_x005F_x000D_ Input Sensitivity: 0.25 - 5V_x005F_x000D_ Remote Control Battery: CR2025 voltage 3V capacity 240 mA (built-in button battery)