7.4V Amplifier Board Square Dance 30W Speaker Amplifier Support Bluetooth AUX U-Disk Recording 5-8Inch Speaker Home Theater DIY
7.4V Amplifier Board Square Dance 30W Speaker Amplifier Support Bluetooth AUX U-Disk Recording 5-8Inch Speaker Home Theater DIY
- It must be connected to a 7.4V lithium battery to turn on-this is very good for booting. 2. Batteries are not included due to national delivery regulations. 3. The positive and negative poles of the battery must be connected according to this diagram, otherwise the board will be burned. Features: 1. Support reading MP3 music in U disk and TF card. 2. Built-in Bluetooth receiving function, can receive mobile phone Bluetooth music, 3. For 7.4V lithium battery, it can be charged with DC9V/1-3A charger, 4. With AUX IN external audio input function, it can be connected to a computer to play, 5. The panel has a wired jack, which can be used for singing or singing: 6. Using word power amplifier, Specification: Rated power 15W, Peak 30W, Size: 205*80MM. Packing list: 1 7.4V Bluetooth power amplifier board without power supply). 2 speaker wire. 1 remote control optional). NOTE: VERY IMPORTANT. 1. A 7.4V lithium battery must be connected to turn on. This is very important for booting. 2. Batt
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