WPLGRIDT a 3 point rigging system with front and rear mounting positions and Fly up to 24 WPL cabinets or 16 SXHF218 subwoofers for Ground-stack up to 6 WPL cabinets with additional groundstack kit (WPLOUTRIG)For combined flown and ground-stacked arrays of WPL and SXHF218, refer to DISPLAY software for rigging limitation Inclinometer sensor mounting point 1 or 2 point pick-up.