Protection function: reverse connection, over voltage, under voltage, over temperature, short circuit
Signal to noise ratio (SNR): 102dB
Channel: two-channel stereo
Product size: 87*53*29mm (with housing)
Product weight: 87g (with housing)
Two audio input modes: Bluetooth mode and LINE IN mode
Two power supply interfaces: terminal block and DC2.1MM socket (compatible with most notebook power supply interfaces)
Without Power-ON, cut songs, pauses, etc annoying sounds
1. Mode selection
The module has two modes, bluetooth and LINE IN. When the bluetooth power amplifier board does not plug in audio, the power-on default is bluetooth mode; when the power amplifier board is plugged in the audio, the power-on default is the LINE IN audio line input mode; you can also switch the mode by long pressing the “PLAY/M” button.
2. Connect bluetooth
When switching to Bluetooth mode or when the power is turned on in the default bluetooth mode, the English voice of "The bluetooth device is ready to pair" is broadcast, indicating that the bluetooth mode is entered and waiting for pairing; search with name "XY_BT" by the phone. Click and pair, the bluetooth power amplifier board prompts "The bluetooth device is connected successfully", indicating that the power amplifier board and the phone are successfully connected, and the music can be played.