The Sony SA-WMSP75 Active Powered Subwoofer Speaker is a sleek silver rectangular unit designed to enhance your home audio experience. With a compact design and a power output of 75W RMS, this subwoofer is compatible with various brands and models, including Sony devices. Featuring Dolby Digital surround sound formats and wired connectivity with a single audio jack input, this subwoofer is perfect for creating a powerful and immersive audio setup. Made of a combination of plastic and wood materials, this subwoofer is a reliable and high-quality addition to any home audio system.