The 4pcs XH-M544 Mono 150W Digital Amplifier Board is designed for audio enthusiasts looking to enhance their sound systems with high-quality amplification. Utilizing the TPA3116DA chip, this amplifier board delivers a powerful output of 150W, ensuring that your audio experience is both loud and clear. The board operates within a voltage range of 12-26V, making it versatile for various applications, whether you're building a custom audio setup or upgrading an existing one. Its compact design allows for easy integration into your projects, and the robust construction ensures durability and longevity. With its mono channel configuration, this amplifier is perfect for driving a single speaker, making it an excellent choice for subwoofer applications or as part of a larger multi-channel system. The XH-M544 is not only efficient but also provides a clean and distortion-free sound, allowing you to enjoy your favorite music, movies, or games with exceptional audio quality. Whether you're a DIY enthusiast or a professional audio engineer, this amplifier board is a must-have component for your audio projects. Experience the difference in sound quality with the XH-M544 Mono 150W Digital Amplifier Board and take your audio experience to the next level. Product name:digital power amplifier board Chip: TPA3116 Power supply voltage: DC12-26V Output power: 150W max Signal to noise ratio: 100db Number of channels: mono Colour:Red Material:ABS+electronic components Package Contents: 4 * XR-544 digital amplifier board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.