Features: Perfect for creating a personalized sound setups at home or in your DIY projects. Customize your sound with high and low frequency adjustment on our versatile amplifier board. Achieve optimal sound quality with precise control over your output. Designed for enthusiasts and DIYers, our amplifier board is perfect for those who want to build their own speakers or upgraded their home system. Take control of your sound and elevates your listenings experience. Whether you are setting up a home theater, working on a DIY stereo project, or simply enjoy music in your living room, our amplifier board delivers exceptional performances and versatility. Compact and easy to install, our amplifier board is suitable for various applications such as parties, outdoor gatherings, and more. Bring high quality sound wherever you go and enjoy a superior stereo experience. Specifications: Material:Metal Bluetooth-compatible version: 5.0 Channel: 2.1 channels Power supply: DC5-26V/10Aor above Input method: Bluetooth-compatible+AUX+USB drive+USB sound card Output: left and right channels+subwoofer+3.5mm interfaces stereo output Frequency range: 20HZ-30KHZ Signal to noise ratio: 92dB Output power: 50Wx2 (left and right channels)+100W (subwoofer) Satellite box (left and right channels) compatible speaker: 10W-100W/4 -8 Subwoofer (subwoofer) adapter speaker: 20W-100W/4 -8 Protections mechanism: electricity protections, overcurrent protections, short circuit protections, overheating protections Support APP Control Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Power Amplifier