Shop for the Bose S1 Pro+ Wireless PA Package With Sub2 Powered Bass Module, Instrument Transmitter, Mic/Line Transmitter, Subwoofer Pole and XLR Cable in and receive free shipping and guaranteed lowest price. Bose S1 Pro+ Wireless PA Package With Sub2 Powered Bass Module, Instrument Transmitter, Mic/Line Transmitter, Subwoofer Pole and XLR Cable