5W+5W PAM8406 Stereo Amplifier Audio Module BT 5.0 DC3.7-5V XY-P5W
Product Overview
5W+5W PAM8406 BT 5.0 DC3.7-5V XY-P5W DIY kit stereo audio power amplifier audio board
Bluetooth Connection Instructions
- Supply power to the module - the blue LED will illuminate and enter BT mode
- Wait for pairing after hearing the audio tone
- Turn on phone Bluetooth and search for "XY-P5W"
- Click "XY-P5W" to connect to the board
- Successful connection is confirmed with an audio tone
- After connection, you can play music
- The amplifier board prepares for next pairing with an audio tone when Bluetooth disconnects
Precautions for Using 3.7V Lithium Battery Power Supply
- When using battery power, the decoding board automatically shuts down when battery voltage drops below 3.3V
- Requires power cycle or full charge, then short circuit the on/off contact for 2 seconds to resume normal operation
- Low battery voltage may cause "zizi" noise - battery needs charging in this case
- No lithium battery charging protection circuit on decoding board - recommended to use lithium battery with built-in protection board
- If your battery supports micro USB direct charging, you can charge directly via micro USB
- Power supply must be at least 10W - recommended 20W or higher for optimal sound quality
- Insufficient power supply will affect sound quality