The BIG-DUAL-BB Bigfoot Dual Package includes the BIG2-XU2 Bigfoot sound system with built-in bluetooth AIR wireless transmitter & dual wireless mic receiver, and comes with 2 WB-LINK wireless body pack transmitters. The transmitter includes 2 Lapel & 2 headset mics. The Bigfoot BIG2-XU2's built-in Bluetooth receiver streams music from a smartphone, laptop or tablet. Non Bluetooth devices, wired mics and more get connected with the two XLR combo jacks, 1/4 inch line input and a 3.5mm stereo mini jack. The unit features a dual wireless mic receiver that allows you to connect up to 2 wireless mics, integrated mixer functions with volume control, 2 band EQ and a balanced 1/4 inch out for routing to additional PA's.