Sure Electronics AA-JA32472 | BT 4.0 | Amplifier Module

The Sure Electronics AA-JA32472 is a compact and powerful Class D audio amplifier board, designed to bring high-quality stereo sound to your DIY projects. With a nominal output of 2 × 30 watts into 8 ohms, this booster module delivers clean, efficient amplification suitable for a wide range of applications. Whether you are building custom speakers, upgrading a portable sound system, or integrating audio into a smart home device, this board offers a reliable and space-saving solution. Its Bluetooth 4.0 capability allows for convenient wireless streaming from smartphones, tablets, or laptops, making it ideal for both hobbyists and professionals seeking a versatile audio component.

Technically, the board is built around the Texas Instruments TPA3118 chipset, renowned for its high efficiency and low distortion. With an efficiency rating of 90% and a signal-to-noise ratio of 89.3 dB, it ensures clear, detailed sound reproduction while minimising power loss. The amplifier features a gain of 26 dB and supports a minimum load of 4 ohms. Input and output connections are made via 4-pin PCB connectors, and the board measures just 91 x 69 x 23 mm, with mounting holes of 3.5 mm diameter for easy installation. This robust yet compact design makes the AA-JA32472 an excellent choice for adding high-fidelity audio to any electronic project.