Optional AHSUBSTAND allows easy installation of the AHSUB15S under bleacher seating or other areas where concrete slab mounting is possible. Stand provides secure mounting of the AHSUB15S in a down firing configuration to maximize output performance while helping to prevent theft and weather damage. Holes are provided on the bracket feet for anchor points when mounting on concrete slab and additional holes are located on the frame to allow the AHSUB15S to be attached to the frame via chain or cable for optimal security.