Features Unleash the full potential of your audio system with our LM1875T DIY Kit 20W Mono Channel HiFi Audio Power Amplifier Board. Experience crystal-clear sound quality and exceptional audio fidelity as our LM1875T amplifier board delivers powerful and accurate audio reproduction, bringing your music to life like never before. Transform your DIY audio project into a professional-grade masterpiece with our LM1875T amplifier board, which is designed for easy installation and hassle-free setup. No complicated wiring or technical expertise required! Built with high-quality components and meticulous craftsmanship, our LM1875T amplifier board ensures long-lasting durability and reliable performance, so you can enjoy your favorite music for years to come. Discover the joy of DIY audio and unleash your creativity with our LM1875T DIY Kit 20W Mono Channel HiFi Audio Power Amplifier Board. Whether you are a seasoned audiophile or a beginner enthusiast, this kit is perfect for taking your audio experience to the next level. Features: 20W Mono Channel HiFi Amplifier Board.Made with high quality electronic components, stable and reliable.Using military grade double-sided circuit board.Reasonable layout, compact size.You can assemble these components by yourself and obtain knowledge about amplifier board.  Specification:Output power: Typical 20W (maximum 30W)Speaker impedance: 4Ω-8ΩTotal harmonic distortion: <0.04%SNR: 105dBFrequency response: 14Hz-100kHz (maximum range 3.29Hz-482.29kHz calculated by RC high and low pass circuit)Supply voltage: Recommended ± 25V (maximum voltage can not exceed ± 30V, 18V AC full bridge rectifier is 25V) Packagelist:1 * Amplifier Board DIY Kit (Require assembly) Package List