Sure Electronics AA-AB32221 | Amplifier Module

The AA-AB32221 from Sure Electronics is a high-performance Class-D amplifier board designed to deliver robust, clean stereo sound for a wide range of audio applications. As a booster module, it offers an ideal solution for upgrading existing systems or building new DIY audio projects from scratch. Whether you are constructing a custom home theatre setup, a multi-room audio system, or a powerful portable speaker, this board provides the efficiency and output needed to drive demanding speakers with ease.

At its core, the board features the Texas Instruments TAS5613 chipset, a proven topology that ensures reliable amplification with minimal heat generation. It delivers a nominal 2 × 150 watts into a 4-ohm load, with a signal-to-noise ratio of 94 dB for clear, detailed sound reproduction. The frequency response extends from 20 Hz upwards, covering the full audible spectrum. Input and output connections are made via screw terminals or PCB solder pads, offering flexibility for permanent installations. The amplifier operates with a gain of 20 and includes current limiting at 9 amps for protection. With compact dimensions of 152 x 114 x 39 mm, this board is easy to integrate into enclosures. For audiophiles and hobbyists seeking a dependable, high-wattage stereo amplifier module, the AA-AB32221 is a superb choice.