Digital Bluetooth amplifier board PAM8403 onboard lithium battery turntable rechargeable dual channel 10W

Product Parameters

Product Name: Bluetooth Digital Amplifier Board Dual 5W

Chip model: PAM8403

Transmission distance: maximum 20 meters (unobstructed)

Supply voltage: 5V (MICRO input)

Number of channels: 2

Maximum power: 5W+5W

Net weight of product: 42G

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

Product Functions

Instructions

1. Install the TR18650 battery first, pay attention to separating the positive and negative poles! (The battery is purchased by oneself)

2. Connect two wires to the speaker, with red being the positive pole and black being 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 port. (Bluetooth connection is also possible, but it needs to be turned on before connecting to Bluetooth)

4. Open the power button, it will automatically read your SD card or USB drive and start playing songs. If both the SD card and USB drive are installed, it will default to reading USB files and playing them (if you want to play USB songs, you can press the ① playlist switch button)

5. The ① key is the playlist switching key, where you can choose to play songs from SD cards, USB drives, or audio from Bluetooth connected devices.

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

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

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

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Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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