Sure Electronics AA-AB32155 | Amplifier Module

The AA-AB32155 from Sure Electronics is a compact and efficient Class-D audio amplifier board, designed to deliver two channels of clear, robust sound for a wide range of audio projects. With a nominal output of 2 × 15 watts into 4-ohm loads, this module is ideal for powering bookshelf speakers, portable sound systems, or custom DIY installations where space is at a premium but audio quality cannot be compromised. Its high efficiency of 80 percent ensures minimal heat generation, making it suitable for enclosed or battery-powered applications.

At the heart of this board lies the renowned Tripath TA2024 chipset, which provides a signal-to-noise ratio of 84.4 dB and a gain of 21, ensuring low distortion and clean amplification. The amplifier accepts input via RCA connectors or direct PCB solder pads, offering flexibility for integration. Speaker outputs are accommodated through screw terminals or solder pads, while the board’s compact dimensions of 91 x 69 x 17 mm and mounting holes with a 3.5 mm diameter simplify installation into enclosures or chassis. Operating with a minimum load of 4 ohms, this Class-D module combines reliable performance with straightforward connectivity, making it a versatile choice for both hobbyists and professionals seeking high-quality audio amplification in a small footprint.