The BEA-QUAD -HHHH Beacon Quad Package comes with the BEA2-XU4 sound system with built-in bluetooth AIR wireless transmitter & 2 dual wireless mic receivers. This unit also inclues 4 WH-LINK wireless handheld mics. Beacon combines the clarity and smooth sound coverage of a line array system with a patent-pending enclosure that eliminates the need for a speaker stand. The enclosure includes three 8" woofers and an array of eight 4.5" mid-range speakers that deploys up to a height of 6'. The Beacon provides a 120 degree pattern of a distance of 500'which covers the area of a football field with just one system. The Beacon is a one of a kind in portable sound systems.