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 Materrial: Metal Application: DC/ AC power in, suitable for home or your car. Input Voltage: AC 220V Plug: EU plug Bluetooth: Support Output Power: 18W + 18W Channel: 2 Channel Load Impedance: 4 - 8 SNR: 85 db FM Frequency: 87.5 - 108MHz Distoration Rate: 0.05% Input Sensitivity: 0.25 - 5V Remote Control Battery: CR2025 voltage 3V capacity 240 mA (built-in button battery)