Sure Electronics AA-AB32174 | Amplifier Module

The AA-AB32174 from Sure Electronics is a compact and highly efficient Class-D amplifier board designed to deliver robust, clean audio power for a wide range of applications. Whether you are building a custom speaker system, upgrading a portable sound rig, or integrating high-quality amplification into a DIY project, this board offers a versatile solution. Its small footprint and straightforward connectivity make it ideal for both hobbyists and professionals seeking reliable performance without excessive bulk.

At the heart of this module lies the STMicroelectronics TDA7492 chipset, which provides 2x50W of nominal power into 6-ohm loads with an impressive 88% efficiency. The signal-to-noise ratio of 96 dB ensures low-distortion sound reproduction, while selectable gain settings of 22, 28, 31, or 34 dB allow fine-tuning to match your system. Input is via RCA or PCB solder pads, and speaker outputs use screw terminals or solder connections for secure wiring. The board measures 122 x 91 x 36 mm and features a 3.5 mm mounting hole diameter for easy installation.

With its high efficiency and minimal heat generation, this amplifier board is an excellent choice for energy-conscious builds. It delivers powerful, clear audio in a compact form, making it a valuable addition to any audio project requiring dependable, high-fidelity amplification.