Dayton Audio KABD-250 | BT 5.0 | DSP | Amplifier module

The Dayton Audio KABD-250 is a compact yet powerful amplifier module that brings high-quality wireless streaming and advanced digital signal processing to your audio projects. Designed as a booster module, it delivers 2 x 50 watts of clean, efficient Class D amplification, making it an ideal choice for upgrading bookshelf speakers, custom sound systems, or portable enclosures where space is at a premium. Whether you are building a dedicated multi-room setup, enhancing a workshop radio, or creating a bespoke home cinema solution, this board offers a seamless way to integrate Bluetooth audio with room-filling sound.

At its core, the KABD-250 features Bluetooth 5.0 with aptX HD support, ensuring high-resolution, low-latency streaming from compatible devices. The amplifier is built around the Texas Instruments TPA3116 chipset, known for its reliability and sonic clarity, with a signal-to-noise ratio of 88 dB and a frequency response spanning 20 Hz to 20 kHz (±3 dB). The built-in DSP allows for precise tuning of crossover points, EQ, and speaker protection, giving you full control over the final sound. Connection is straightforward via 4-pin PCB connectors for both input and speaker outputs, and the board measures just 91 x 69 x 23 mm with mounting holes spaced 84 x 61 mm apart. Operating with a minimum 4-ohm load and 26 dB of gain, this module is a versatile, high-performance solution for any custom audio build.