Used Bose B1 Bass Module Unpowered Subwoofer

Add rich, punchy low end to your Bose L1 setup with this used Bose B1 Bass Module unpowered subwoofer in good condition. Designed to pair with an L1 power stand or compatible amplifier, it delivers tight bass extension for vocals, acoustic instruments, and DJ playback while staying compact and easy to position. Features a dual-driver design and Bose NL4-style speaker connection for quick, secure hookups—ideal for small to mid-size venues and portable PA rigs. Comes with speakon cable