50W*2 Digital Home Audio Amplifier DIY Module with Case DC4.7-27V Dual Channel Stereo Amplifier Board pcb assembly

Introduction:
Power supply, flashing, pause and so on without POP sound; wide supply voltage, DC4.5-27V; two input mode, mode and headphone (LINE IN) mode; two power supply interface, terminal and DC2. 1MM socket (compatible with most of the PC power interface); power input anti-reverse function; acrylic shell protection; JAPAN brand capacitors.

Product Highlights:
1. Power on, cut songs, pause and so on No annoying POP tone;
2. Wide supply voltage: DC4.5-27V;
3. Two o input modes: mode and headset (LINE IN) mode;
4. Two power supply interfaces: terminal and DC2.1MM socket (compatible with most of the PC power interface);
5. Power input anti-reverse function;
6. Acrylic shell protection;
7. JAPAN  brand capacitors.

Instructions:
1, mode selection
Modules are available in both and LINE IN modes. When the power amplifier defaults to the IN o line input mode; can also pr the "PLAY / M" key to switch mode.
2, connect to 
Switch to mode or default mode just when the power, broadcast English "The device is ready to pair", that enter the mode and wait for pairing; mobile phone search to the "XY_BT" is the power amplifier board device name, Click on the connection, the power amplifier board prompt "The device is connected succfully", that power amplifier board and mobile phone connection is succful, you can play music.