Experience powerful and immersive audio with the 4 Channels 4*50W HiFi Digital Amplifier Board. Designed for music lovers and audio enthusiasts, this amplifier board delivers exceptional sound quality and reliable performance for your home or car audio system. 4 Channel Stereo Surround: Featuring four independent channels, this amplifier board creates a true stereo surround sound experience, allowing you to enjoy rich, detailed audio from every angle. Hi-Fi Stereo Sound: With a maximum output power of 4*50W, this amplifier board delivers high-fidelity sound that brings your music, movies, and games to life. Enjoy deep bass, clear mids, and crisp highs for a truly immersive listening experience. High Sensitivity: Engineered with high sensitivity, this amplifier ensures that every note and sound detail is reproduced with clarity, making your audio experience more vibrant and realistic. Advanced Multi-level Protection: Safety is a top priority. The amplifier board is equipped with multiple protection features, including over-voltage protection, overheat protection, undervoltage protection, DC detection, and short-circuit protection. These features ensure safe and stable operation, protecting both your device and your speakers. IC Smart Cooling System: The intelligent cooling system automatically activates the fan when the temperature exceeds 25℃, efficiently dissipating heat and maintaining optimal performance. The fan operates quietly, so your listening experience remains undisturbed. Versatile Application: Perfect for DIY audio projects, home theater systems, car audio upgrades, and more. This amplifier board is easy to install and compatible with a wide range of audio setups. Upgrade your sound system with this high-power, reliable, and feature-rich digital amplifier board. Enjoy superior sound quality, enhanced safety, and smart cooling for the ultimate audio experience.