XY-P5W PAM8406 Bluetooth 5.0 Amplifier Board 5W×2 DC3.7-5V Stereo Audio Power Amplifier Module for Arduino DIY Kit

Product Description XY-P5W mini Bluetooth digital amplifier module adopts high-quality PAM8406 power amplifier chip, outputs stable 5W*2 stereo sound. It supports 3.7V lithium battery and Micro USB 5V dual power supply ways, perfect for upgrading and refitting small 3-5W speakers, widely used in Arduino DIY electronic projects and portable wireless audio making.

Technical Parameters - Model: XY-P5W - Amplifier Chip: PAM8406 - Bluetooth Version: 5.0 - Wireless Distance: 15 meters (unobstructed) - Working Voltage: DC 3.7V-4.2V lithium battery / DC5V Micro USB - Output Power:

3W×2 (5V, 4Ω)

5W×2 (5V, 2Ω) - Matching Speaker:

2Ω 5W / 4Ω 3W / 8Ω 2W - Protection Function: Reverse power protection, overheat protection

Operation Guide 1. Power on, blue light flashes fast, enter Bluetooth pairing mode with prompt tone. 2. Turn on phone Bluetooth, search and connect device named **XY-P5W**. 3. Hear connection successful prompt tone, indicator light stays steady, start playing music. 4. Indicator flashes slowly during playback; auto enter re-pairing mode after Bluetooth disconnection.

### Core Advantages ✅ Compact size, easy to embed in DIY electronic projects ✅ Bluetooth 5.0 stable connection, long transmission distance ✅ Dual power supply, portable and convenient to use outdoors ✅ Built-in dual safety protection, prevent circuit damage ✅ Clear stereo sound, ideal for small speaker wireless modification ✅ Perfect compatible with Arduino development suite

Lithium Battery Usage Notes 1. It will auto power off when battery voltage below 3.3V. Restart after charging by short pressing power contact for 2 seconds. 2. Low battery will cause hissing noise, please charge battery in time. 3. No built-in lithium battery charging protection circuit, please use lithium battery with protection board. 4. Support Micro USB direct charging for compatible rechargeable batteries. 5. Use power adapter over 20W to ensure good sound effect, insufficient power will affect audio quality.

Application Arduino electronic DIY kit, mini wireless Bluetooth speaker, small desktop audio, portable outdoor audio, toy audio refitting, student electronic production project.

Package List 1 × XY-P5W PAM8406 Bluetooth 5.0 Stereo Amplifier Module