Description
The XH-A233 4.2 Bluetooth Amplifier Board is a versatile and compact solution for anyone looking to upgrade existing speakers or build a custom wireless audio system. Utilizing efficient digital amplifier technology, this module delivers clear, distortion-free, and high-fidelity stereo sound with a power output of 15W per channel, suitable for desktop or bookshelf speaker retrofits.
Designed with ease of use in mind, the board operates within a wide DC input voltage range of 12V to 24V, making it highly adaptable to various power sources, including car audio systems, home power adapters, and portable battery setups. The board features a built-in Bluetooth 4.2 module for stable and uninterrupted wireless audio streaming from compatible devices like smartphones and tablets, with an effective range of up to 15 meters in unobstructed environments.
For added versatility, the XH-A233 also includes an integrated TF (microSD) card reader, allowing for direct MP3 playback without the need for an external streaming device. The board features simple onboard buttons for volume adjustment (long press) and track navigation (short press). The compact and durable design ensures long-lasting performance, making it a reliable and cost-effective choice for both hobbyists and professionals.
Features
- Wireless Connectivity: Features a built-in Bluetooth 4.2 module for stable and high-quality audio streaming.
- Dual Input Options: Supports both wireless Bluetooth and direct TF (microSD) card audio input, offering flexible playback choices.
- High-Quality Audio Output: Delivers 2 channels of 15W power each, ensuring ultra-clear, Hi-Fi sound quality.
- Wide Voltage Range: Operates efficiently from a DC input of 12V to 24V, adaptable to numerous power supplies.
- User-Friendly Controls: Includes onboard buttons for easy volume control and music track switching.
- Compact Design: Small form factor and lightweight construction make it ideal for space-saving DIY projects and installations.
- Integrated Amplifier: An in-built amplifier allows for direct connection to loudspeakers
Usage
The XH-A233 board is straightforward to set up and use for various audio applications.
- Power Connection: Connect a DC power source (12V-24V) to the designated power input terminals on the board. A power adapter of 2A or higher is recommended for optimal performance.
- Speaker Connection: Use a screwdriver to loosen the speaker terminals, insert the speaker wires (positive and negative for each of the two channels), and tighten the screws to secure the wires.
- Audio Playback:
- Bluetooth Mode: Upon power-up, a blue LED indicator will flash, indicating pairing mode. Enable Bluetooth on your smartphone or device, search for the device (often named “BT5.0-Audio” or similar), and connect.
- TF Card Mode: Insert a TF card with MP3 audio files. The board prioritizes TF card input if both Bluetooth and a card are connected simultaneously.
- Controls: Use the onboard buttons to adjust the volume (long press) or switch between tracks (short press).
Q: What is the actual power output of the board?
The board provides 2 x 15W of power output. Some product descriptions may refer to the maximum potential of a related chip, but for the XH-A233 model, the standard output is 15W per channel.
Q: Can I use a 12V 1A power supply?
A 12V 1A power supply will likely work but may limit the board’s ability to drive larger speakers effectively, potentially leading to distortion at higher volumes. It is recommended to use a power adapter with at least 2A of current, or higher (e.g., 19V 5A) for better results
Q: Can I play music from both Bluetooth and a TF card at the same time?
No. The board prioritizes the TF card input. If a TF card is inserted, it will play from the card. To use Bluetooth, the TF card must be removed.
Q: Is the board suitable for car audio systems?
Yes, the wide operating voltage range of 12V to 24V makes it compatible with most car battery systems and an excellent, cost-effective option for upgrading car audio or building custom portable speakers
Q: Does the board have a built-in volume control?
Yes, the board features two integrated buttons on the PCB that allow you to adjust the volume and skip tracks
