Bose L1 Model 1S w/ B1 Bass Module – Elite Music Sales
Used Bose B1 Bass Module Unpowered Subwoofer | Guitar Center
Bose L1 Model II System With B2 Bass – Black for sale online | eBay
Bose L1 Model 1S System w/ Double B1 Bass Package
B1 bass module – Veltronics
Bose L1 Model 1S with B2 Bass Module
Bose® L1 Model II System with B1 Bass Module Package Portable PA system with two-part 24-speaker array, bass module, power stand with amps, cover, and carrying bags at Crutchfield