Power 2x80W Output Delivers crisp, fidelity sound with this amplifier board featuring a 2x80W output, ideal for car, RV, or home audio systems that require powerful and clear audio performance. Digital Tube Display Module Integrated digital tube display allows realtime monitoring of audio settings and levels, providing a visually appealing interface and functional audio control. USB Interface & MP3 Playback Equipped with a USB interface to easily play MP3 files, offering flexible media input for RVs, trucks, or DIY audio setups, enhancing convenience and entertainment options. Recording Function Feature Supports recording functionality directly from audio sources, making it suitable for music enthusiasts, DIY hobbyists, or mobile audio projects requiring recording capabilities. Applications Incar audio upgrade: Enhance car or RV sound systems with powerful amplification and realtime display for easier tuning and control. Mobile entertainment for trucks and RVs: USB MP3 playback and onthego recording support flexible media input and capture while traveling. DIY home and portable audio projects: Compact, power amplifier suitable for hobbyist builds and custom audio setups with straightforward monitoring and recording.