Features: Experience powerful 4x50W 4 channel amplification for immersive cinematic sound quality during every drive, perfect for car auditory upgrades and amplifier board installations. Featuring versatile auditory input compatibility and an advanced heat dissipation with a metal casing, this amplifier ensures stable performances and effortless car installation. Ideal for audiophiles, daily commuters, and frequent travelers seeking enhanced in car entertainment without complex installation requirements. Delivers crisp, distortion proof auditory whether navigating city streets or embarking on long road trips, transforming your vehicle into a premium listening environment. Engineered with durability metal plastic construction to withstand vibrations and bumpy roads, guaranteeing long lasting reliability for your car auditory upgrade. Specifications: Component: combination of metal and plastic, strong and durability, ensuring the stability Size about 12.8x8.6CM/5.04x3.39in Support：4x50W 4 channel amplification Suitable for car auditory modification to improve sound quality enjoyment Package Includes: 1PC Car amplifier board 4 channels note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution