The Bose Acoustimass 9 Powered Subwoofer is designed to deliver powerful, deep bass for a home theater audio experience. This subwoofer is compatible with Bose systems and features a sleek rectangular shape in black color, making it a stylish addition to any entertainment setup. With a wired connectivity option and constructed with wood material, this subwoofer is part of a 1 + Subwoofer system configuration, enhancing the audio quality of your home speakers. Perfect for enhancing the sound quality of your home theater, the Bose Acoustimass 9 Powered Subwoofer provides a rich and immersive audio experience.