The Samsung PS-WR45BB Sub-Woofer is a high-quality, black subwoofer designed specifically for replacement in the Samsung HW-R450 soundbar. With a sleek cube shape and a power output of 130W RMS, this wireless subwoofer offers immersive surround sound for your home audio experience. It features Bluetooth connectivity, a remote control, and digital audio inputs including Digital Optical TOSLINK and HDMI. Compatible with Samsung smart home systems, this subwoofer is a perfect choice for enhancing your TV, video, and home audio setup with deep, powerful bass.