performance audio amplifier module designed for reliability, precision, and longlasting operation. Engineered with materials and components to deliver performance in demanding applications. Key Features and Benefits: Fully enclosed dustproof potentiometer for stable, precise control. Enhanced durability compared to standard potentiometers, ensuring consistent performance over time. Equipped with lasermarked TDA7294 chip for clear identification and dependable operation in quality audio applications. Doublesided PCB with 1.6 mm thickness and 2.0 oz copper layer for conductivity. Full tinsprayed surface ensures current handling, whether large or small, for stable performance under varying loads. Power filtering system includes six quality capacitors for clean and stable voltage supply, reducing noise and improving audio clarity. Rectifier system uses a robust 25A flat bridge design, providing efficient power conversion and long service life. Applications and Use Scenarios: 1. Ideal for use in DIY hifi audio amplifier projects requiring consistent performance and accurate sound reproduction. 2. Suitable for upgrading existing audio systems to improve sound quality and reduce interference from unstable power supply. 3. for professional audio equipment builders seeking reliable components for studio, stage, or home audio setups. Specifications: Potentiometer: Fully enclosed, dustproof design for improved stability and precision. Chip: TDA7294, laser dark text marking for authenticity and reliability. PCB: 1.6 mm doublesided construction, 2.0 oz copper, full tin spray for enhanced current flow. Power filter: Six capacitors. Rectifier: 25A flat bridge. Built to deliver consistent, quality audio performance with robust construction that meets the needs of both professional and enthusiast users.