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 o input: the back of the lotus seat can be connected: computer/DVD/CD and other o signals o 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.