The Polk Signa S1 Active Subwoofer is a compact and powerful wireless audio device designed for integration with TV sound bars. With a sleek rectangular shape and a black wood construction, this subwoofer from Polk Audio offers a seamless addition to your home audio system. The 40W RMS power ensures deep and impactful sound, while the wireless connectivity and Bluetooth features allow for flexible installation options. The Polk Signa S1 is a top-quality product from a trusted brand, perfect for enhancing your TV viewing experience.