The UM3503QA, manufactured by Union Semiconductor, is a 3W single-ended Class AB audio amplifier designed for a wide range of audio applications. Supreme Components International is an authorised distributor of Union Semiconductor products, ensuring you receive genuine components. This amplifier offers excellent audio fidelity and efficiency, making it suitable for portable speakers, headphones, and other audio devices. Its Class AB design minimizes distortion while maximizing power output. The UM3503QA features a simple and straightforward design, allowing for easy integration into existing audio systems. With its compact size and low power consumption, it's an ideal choice for battery-powered applications. Trust Supreme Components International for all your electronic component needs.