XH-M422 DC12-24V TPA3116D2 Bluetooth 4.0 Amplifier Board 50W + 50W with TF Card Reader

Description

What it is

L’XH-M422 is a Bluetooth amplifier card with an integrated TF card reader that allows high-quality and powerful audio playback. This device is designed to provide an effective audio distribution system suitable for both personal and professional projects.

Features

• Input Voltage: DC12-24V
• Bluetooth Technology: 4.0
• Maximum Power: 50W + 50W
• Integrated TF Card Reader

What it is for

This amplifier is ideal for projects requiring low-latency and high-quality audio playback. It is particularly useful in applications such as drones, alarm systems, or any other device that requires an integrated audio distribution system. Additionally, it is compatible with Arduino for custom projects.

Tutorial: How to Use XH-M422

The Bluetooth 4.0 Amplifier 50 W + 50 W is ideal for audio projects requiring high power and Bluetooth connectivity. Useful for beginner and intermediate makers.

What you need

• XH-M422
• Arduino
• DC12-24V Power Supply
• MicroSD for Music

Steps

1. 1. Check that the power supply is compatible (DC12-24V).
2. 2. Connect the XH-M422 board to the power supply.
3. 3. Connect the power terminals to your speaker or audio system.
4. 4. Connect the Bluetooth to your device (smartphone, tablet).
5. 5. Set up the Bluetooth connection on your device.
6. 6. Connect the SD card reader.
7. 7. Insert an SD card with audio files.
8. 8. Power on the XH-M422 board and listen to the music.

Mini project

Create a Bluetooth music system for a drone or robot project. Insert an audio playlist on an SD card and connect it to the amplifier.

Common mistakes

• Insufficient electrical power: check the power supply voltage.
• Unstable Bluetooth connection: make sure the Bluetooth device is nearby.
• Sound issues: check the proper connection of power terminals.
• Audio does not turn on: check for audio files on the SD card.

Recommended accessories

• Speaker
• Power supply 12-24V
• MicroSD with audio files
• USB configuration cable

Frequently asked questions

How to set up Bluetooth connection?
Set up the Bluetooth connection on your device and pair with the XH-M422 card.

Can I use a different power supply?
Check the datasheet to see if the voltage is compatible.

Why can’t I hear sound?
Check the proper connection of power terminals and make sure there are audio files on the SD card.

Can I connect multiple SD cards?
Check multiboot support on the datasheet.