Detail PAM8403 Bluetooth + Battery Holder mini class d amplifier XH-A150
Product Name: Bluetooth Digital Power Amplifier Board Product model: XH-A150 Chip model: PAM8403 Transmission distance: up to 20 meters (no blocking) Supply voltage: 5V (Micro-input) Color: green material: metal Number of channels: 2 Maximum power: 5W+5W Product net weight: 42g Product size: 102*69*24mm Instructions for use: 1. Install the TR18650 battery first, pay attention to the positive and negative points! (Battery is purchased by yourself) 2. Two wire link audio speakers, red is positive, black is negative 3. Insert an SD card with song files in the SD card slot or a USB flash drive with song files inserted in the USB interface. 4. Open the open key, it will automatically read your SD card or USB flash drive, and start playing songs. If the SD card and USB flash drive are installed at the same time, it will read the SD card file and play it by default. Package Contents: 1* Amplifier BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.