Bose Gymnasium System with 2 402 Series IV Loudspeakers, MB4 Modular Bass Loudspeaker and Yamaha PX5
Bose Gym Sound System Panaray 402 Series IV Loudspeakers, MB4 Modular Bass Loudspeaker, ControlSpace SP-24 Sound Processor and QSC GX Series Amplifiers
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Bose Professional PANARAY MB4 Modular Bass Passive 40192 B&H