Built in Bluetooth 5.0 has greater coverage, faster speed, longer transmission distance, and supports a variety of Bluetooth device inputs.     Lossless music decoding SD card, USB interface, multiple external inputs, FM radio function, ape, WAV, FLAC, MP3 multiple formats support.     Small body, simple operation, support 12V power supply, input power 60W, less power consumption and less heating.          Rated impedance: 4-16     Rated power: 15+15W     Peak power: 45+45W     Power supply requirements: DC: 12V greater or equal to 3A     Function introduction: can insert TF card/plug U disk/with remote control/with FM radio     Audio input: the back of the lotus seat can be connected: computer/DVD/CD and other audio signals     Audio output: R left + L right clip is the channel output, and the positive and negative poles are connected to a speaker     Amplifier type: HIFI     Rated power: 4 ohm 60W     Peak power: 150W     Remarks: the power supply shall be purchased separately     Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.     Colour: black     Material: metal     Size: 16x11.5x5.5CM          Package Contents:     1 * Power amplifier     1 * Remote control          Only the above package content, other products are not included.     Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.