The Optimus PRO SW-10P 10" 120 Watt Powered Subwoofer Speaker in black is a high-quality audio device designed to enhance your home audio experience. With a driver size of 10 inches and an impedance of 8 ohms, this subwoofer delivers powerful and clear sound. Its wired connectivity and stereo L/R RCA audio inputs make it easy to integrate with your existing home speakers. The RMS power of 120 watts ensures a dynamic and impactful bass response, perfect for music and movie enthusiasts looking to boost their sound system.