Used Bose B1 Bass Module Unpowered Subwoofer

Enhance your sound system with this used Bose B1 Bass Module, an unpowered subwoofer in good condition. Designed to deliver tight, accurate bass, it features two high-output 5.25-inch drivers. Compact and lightweight, the B1 is ideal for portable setups and pairs with Bose L1 systems for optimized performance. With a frequency response of 40Hz to 180Hz, this module adds depth to your audio without overwhelming the mix—perfect for musicians, DJs, and presenters.