Welcome to our shop! This amplifier board is designed with advanced modulation system configuration to reduce the number of components, ensuring detailed and accurate product dimensions. It also features an integrated self protection circuit, including overvoltage, undervoltage, overheating, DC detection, and short circuit protection, providing a heat resistant package. The power amplifier chip used in this board has more than 90% power efficiency and low spatial loss characteristics. It is equipped with a surface mount capacitor, European 3P wiring terminal, large heat sink, and convective heat dissipation. This amplifier board is suitable for car computer speaker DIY and home theater sound systems. It is durable and can be used for a long time, bringing a lot of convenience. In the package, you will receive 1 x amplifier module and 1 x cable. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.