Xy-502b Pop Free Dual Channel 50W * 2 Digital Stereo Audio Power Amplifier Board DC4.5-27V

Type:PCI-E Riser
Origin:Mainland China
Certification:NONE

Pop free Bluetooth digital power amplifier board dual channel 50W * 2
Product highlights:
1. No annoying pop sound such as power on, song cutting and pause;
2. Wide power supply voltage: dc4.5-27v;
3. Two audio input modes: Bluetooth mode and headset (line in) mode;
4. Two power supply interfaces: wiring terminal and dc2.1mm socket (compatible with most notebook power interfaces);
5. Anti reverse connection function of power input;
6. Acrylic shell protection;
7. Panasonic brand capacitor.
Operating instructions:
1,
Mode selection
The module has Bluetooth and line in modes. When the Bluetooth power amplifier board is not plugged into the audio head, the power on defaults to the Bluetooth mode; When the power amplifier board is plugged into the audio head, the line in audio line input mode is the default when powered on; You can also switch modes by long pressing the "play / M" key.
2. Connect Bluetooth
When you switch to Bluetooth mode or just power on in the default Bluetooth mode, broadcast the English "the Bluetooth device is ready to pair", indicating that you enter the Bluetooth mode and wait for pairing; the "xy_bt" searched by the mobile phone Bluetooth is the device name of the Bluetooth power amplifier board. Click Connect, and the Bluetooth power amplifier board will prompt "the Bluetooth device is connected successfully" ", indicating that the power amplifier board is successfully connected to the mobile phone, and then music can be played
.