XH-A150 PAM8403 Bluetooth Amplifier Audio Board 5W*2 Lithium Battery Singing Machine USB TF-Card Dual Channel Mini Amplifier Module

Product Name: Bluetooth Digital Power Amplifier Board

Chip: PAM8403

Transmission distance: 20 meters (no blocking)

Supply voltage: 5V (Micro input)

Number of channels: 2

Maximum power: 5W+5W

Net weight: 42g

Size: 49*49*4.5mm

Instructions for use

1. Install the TR18650 battery first, pay attention to the positive and negative points! (Battery needs to be purchased by yourself)

2. Two wires are connected to the speaker speaker, red is positive, black is negative

3. Insert the SD card with the song file in the SD card slot or insert the U disk with the song file on the USB interface.

(Also connected by Bluetooth, but need to be powered on before connecting)

4. Open the switch 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 (if you want to play U) Disk song, you can press the 1 button to play the list switch button)

Key Description:

1 button is the playlist switch button, you can choose to play the SD card, or the song in the U disk, but the Bluetooth connection list can not be switched, and you need to remove the SD card and U disk

The 2 button is the play pause button.

The 3 button can be a cut song button or a volume button. A quick press is to play the previous song, and a long press is to increase the volume.

The 4 button can be a cut song button or a volume button. A quick press is to play the next song, and a long press is a volume plus small.

 

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