Dayton Audio KAB-2150 Amplifier module

The Dayton Audio KAB-2150 is a compact yet powerful Class D amplifier board that brings high-quality stereo amplification to your DIY audio projects. Designed for versatility, this integrated amplifier board is ideal for building custom speakers, upgrading existing sound systems, or creating portable audio solutions where space is at a premium. Whether you are constructing a home cinema setup, a workshop radio, or a bespoke multi-room audio system, the KAB-2150 delivers robust performance with minimal footprint.

At its core, the board features Bluetooth 5.0 for seamless wireless streaming from smartphones, tablets, or computers, ensuring stable connectivity and high-fidelity audio transmission. The amplifier delivers 2 x 150 watts at 4 ohms (with a 36 VDC power supply), offering ample headroom for clear, dynamic sound. The signal-to-noise ratio of 90 dB (A-weighted) and ultra-low total harmonic distortion of just 0.01% at 5W ensure pristine audio reproduction. Convenient tone controls allow you to adjust bass and treble to suit your listening preferences, while the 28 dB gain and 1V input sensitivity make it compatible with a wide range of sources. Measuring just 120 x 80 x 31 mm, this board is easy to integrate into enclosures, with mounting holes spaced at 112 x 72.2 mm. The KAB-2150 is a complete, ready-to-use solution for anyone seeking high-performance amplification in a compact, affordable package.