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
Bose B1 Bass Module - YouTube
Bose L1 Model II Speaker with B1 Bass - EZEE.com : High-end made ezee!
Bose Model B1 Bass Module for L1 System! Works Great! Comes With Cable & Cover | eBay
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