The SONY SS-WS42 Subwoofer is a compact and rectangular-shaped speaker that delivers great sound quality. Tested and confirmed to work, this silver-colored subwoofer is designed for SONY compatibility and features a sleek wood material construction. With an impedance of 8 Ohms and wired connectivity, this unit is a perfect addition to enhance your home audio experience. Made in Vietnam, this Sony subwoofer offers a premium sound performance for your entertainment needs. See pictures. D18