Sure Electronics AA-JA32171 | BT 4.0 | Amplifier Module

The Sure Electronics AA-JA32171 is a compact and highly efficient Class D audio amplifier module, designed to deliver robust stereo sound in a variety of applications. Whether you are upgrading a portable speaker system, building a custom sound installation, or integrating high-quality audio into a DIY project, this booster module provides a reliable and space-saving solution. Its Bluetooth 4.0 connectivity allows for seamless wireless streaming from smartphones, tablets, or laptops, making it ideal for modern, cable-free setups.

At the heart of this module lies the Texas Instruments TPA3116 chipset, a proven Class D topology that achieves an impressive 90% efficiency while delivering 2 × 50 watts of nominal power into 8 ohms. The signal-to-noise ratio of 92 dB ensures clean, detailed audio reproduction with minimal background noise. With a gain of 26 dB and a minimum load of 4 ohms, it offers flexible pairing with a wide range of speakers. The module measures just 91 x 69 x 23 mm and features 4-pin PCB connectors for both input and speaker output, simplifying integration into your project. A mounting hole diameter of 3.5 mm allows for secure installation. This amplifier combines high performance with straightforward assembly, making it an excellent choice for audio enthusiasts and engineers alike.