This Audio Amplifier Board is a must-have for anyone who loves DIY projects. With its digital amplifier technology, it delivers good sound that is both clear and powerful. It is perfect for small speakers and is easy to use and install. The PAM8406 provides comprehensive protection against faults with short-circuit protection and thermal protection. Features -Color:Black -Material:Plastic -Size:5.70X5.10X1.70cm/2.24X2.00X0.67in - Power supply voltage: 5V(Do not overvoltage, overvoltage will burn the IC). - Input mode: Single-end. - Output power: 5W 2 5V. -Efficiency: >90% -Total harmonic distortion plus noise: <10% -The compact and lightweight design of this audio amplifier module makes it easy to transport and install, perfect for use in a variety of settings. -Whether you're looking to enhance your home entertainment system, embark on a diy audio project, or upgrade your car audio system, this module is the perfect choice. -With user-friendly setup and power and audio input connections, you can enjoy excellent audio in no time. -Its high-power output makes it suitable for use in a variety of settings, from home theaters to outdoor events. -It allows for dynamic and immersive audio experience, perfect for music lovers and movie Package list: 1 x amplifier board