Package:YesChannels:1 Model Number:Bluetooth Digital 600W Amplifier Board Maximum Power Per Channel:Above 200W Origin:Mainland China Features 1:Bluetooth 5.0 MP3 Amplifier Board Features 2:Support MP3 USB TF FM Remote Control Features 3:Support Dual Microphone MP3 Player Features 4:Bluetooth Amplificatore Subwoof Features 5:200W Bluetooth Audio Amplifier Board Features 6:600W Bluetooth Audio Amplifier Board Features 7:for Home Audio/ Car/ Truck/ RV/ Camper Features 8:mp3 amplifier board 12v subwoofer Features 9:Digital Bluetooth Amplifier Board Features 10:car music lossless bass bluetooth Features 11:Dual Microphone Karaoke Amplifiers 600/200W Specification: Support reading MP3 songs in TF card and U disk. Support independent adjustment of treble, bass and master volume. Supports MP3/WAV format. Supports wireless microphone board(not included). Working voltage: AC 220V or DC 12V-24V. With AUX audio input, can be connected to the computer, phone or CD. Dual microphone input, adjustable reverb, built-in bluetooth and FM radio. Rate Power:100W Power Output:100W-300W Fit for speaker 4-8 ohm, power less then 200W. Package included: 1xAmplifier Board 1XAC Power Cable 1X Audio Cable 1XRemote Control(Battery not included) D300 600W Amplifier D100 200W Amplifier 20W Model: JQ-D137BT Power 2*10W Microphone function Bluetooth Version 5.0 Power supply voltage: 5V (range 3.7V-5V) and current not less than 2A. Power: 2*10W, and two 10W speakers can be connected at the same time. Connect the 6.5mm microphone function, Support music accompaniment to eliminate the original sound. Support recording. Recording only supports operation in TF mode or USB mode. (Long press the MODE button to start recording, long press the MODE button again to cancel the recording and play the recorded file; exit the recording mode and long press the pause button to exit. When recording, you need to connect a storage device, such as a U disk or TF card;) Folder switching function Support song format MP3/WMA/WAV/APE/FLAC Radio FM frequency: 87.5107.5mhz Main functions MP3/USB/TF/LINE IN/FM/BLUETOOTH/remote control/ DC 5V About structure: panel size: 128 * 57 MM, panel corner and screw hole position, then cover surface, the depth of the board is 32 MM