Dayton Audio KAB-250v4 | BT 5.0 | Amplifier Module

The Dayton Audio KAB-250v4 is a compact yet powerful Class D amplifier board that delivers 2x50 watts of clean, efficient audio amplification. Designed for audiophiles and DIY enthusiasts alike, this booster module brings professional-grade sound quality to a wide range of applications, from upgrading bookshelf speakers and building custom portable sound systems to enhancing multimedia setups or workshop audio rigs. Its integrated Bluetooth 5.0 ensures seamless wireless streaming from smartphones, tablets, or laptops, eliminating the need for cumbersome cables.

At the heart of the KAB-250v4 lies the Texas Instruments TPA3116 chipset, a proven topology that achieves an impressive 90% efficiency while maintaining a signal-to-noise ratio of 92 dB for distortion-free playback. With a nominal power output of 2x50 watts into 4 ohms and a minimum load of 4 ohms, this board drives a variety of speakers with authority. The compact dimensions of 91 x 69 x 23 mm allow for easy integration into custom enclosures, while the 4-pin PCB connectors for both input and speaker output simplify wiring. A gain of 26 dB and a 3.5 mm mounting hole diameter further enhance its versatility, making it an ideal choice for any audio project requiring reliable, high-fidelity sound in a small footprint.