The Boston Acoustics OEM Digital BA735 Computer Speaker Subwoofer is a beige-colored, wired subwoofer designed for use with computers. It features a 2.1 channel system configuration and is compatible with Boston and Boston Acoustics brands. Made of plastic, this subwoofer has a sleek cube shape and audio inputs of 3.5mm. Perfect for enhancing the sound quality of your computer speakers, this Boston Acoustics subwoofer is a reliable and efficient addition to your desktop setup.