Sure Electronics AA-KA32475 | Amplifier module

The AA-KA32475 from Sure Electronics is a compact yet powerful 4-channel Class D amplifier module, designed to bring efficient, high-quality audio amplification to a wide range of projects. With its small footprint and robust performance, this booster module is an ideal choice for custom sound systems, multi-room audio setups, portable speakers, or any application where space is at a premium but reliable amplification is essential. Whether you are building a bespoke home entertainment system or upgrading an existing installation, this module delivers consistent, clean sound across all four channels.

Technically, the module provides 15 watts per channel into 8 ohms, with a switchable gain of 25.6 to 37.6 dB and an impressive signal-to-noise ratio of 103 dB, ensuring low noise and high fidelity. Based on the TPA31xx circuit topology, it achieves an efficiency of 81%, minimising heat generation. The module features an unbalanced line input, a MicroFit 4-position power connector, and a current limit of 3.1 A, with a minimum load of 4 ohms. Its dimensions are just 99 x 76 x 13.2 mm, making it exceptionally easy to integrate into compact enclosures. This module offers a straightforward, high-performance solution for adding four channels of amplification to your next audio project.