XH-A150 Digital Bluetooth Power Amplifier Board PAM8403 Onboard Lithium Battery Rechargeable Dual Channel 10WItem NO.: XH-A150

Digital Bluetooth Power Amplifier Board

XH-A150

Product Parameters:

● Product name: Bluetooth digital power amplifier board

● Product model: XH-A150

● Chip model: PAM8403

● Transmission distance: maximum 20M (without blocking)

● Power supply voltage: 5V (Micro input)

● Number of sound channels: 2

● Maximum power: 5W+5W

● Net weight of product: 42g

● Product size: 99mm * 64mm * 24mm (excluding protruding parts)

Instructions:

1. Install the TR1865 battery first, and pay attention to the positive and negative poles (the battery is purchased by yourself)

2. Two wires are used to connect the speaker and horn. Red is the positive pole and black is the negative pole

3. Insert an SD card with song files into the SD card slot or a USB flash drive with song files into the USB interface. (Bluetooth connection is also available, but you need to turn on the phone before connecting to Bluetooth)

4. Open the On 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 SD card files and play them by default. (If you want to play the songs on the USB flash disk, you can press the ① playlist switch key)

5. The ① key is the play list switch key. You can choose to play the songs on the SD card or the USB drive, but the Bluetooth connection list cannot be switched, and you need to remove the SD card and the USB drive.

6. The ② key is the play pause key. Press once to pause and then press again to play.

7. The ③ key can be either the cut song key or the volume key. Press it quickly to play the previous song, and long press to increase the volume.

8. The ④ key can be either the song cutting key or the volume key. Press it quickly to play the next song, and long press it to decrease the volume.