Sure Electronics AA-JA31211 | DSP | Amplifier Module

The Sure Electronics AA-JA31211 is a compact and highly efficient single-channel Class D audio amplifier board, designed to deliver robust, clear sound in a minimal footprint. As a booster module, it provides an ideal solution for upgrading existing audio systems or building new custom setups where space and power efficiency are paramount. Whether you are constructing a portable speaker, enhancing a desktop sound system, or integrating amplification into a DIY project, this board offers reliable performance without the bulk of traditional amplifiers.

At its core, the board utilises the Texas Instruments TPA3118 amplifier topology, achieving an impressive 84% efficiency while delivering 60 watts of nominal power into a 4-ohm load. With a signal-to-noise ratio of 88 dB and a gain of 26, it ensures clean, low-noise audio reproduction suitable for a variety of listening environments. The board measures just 91 x 69 x 23 mm and features 4-pin PCB connectors for both input and speaker output, simplifying integration. Mounting holes spaced at 84 x 61 mm with a 3.5 mm diameter allow for secure installation in enclosures. This single-channel module is a practical choice for those seeking a straightforward, high-quality amplification solution.