The LD Systems LDICOASUB21PROPC is a padded protective cover made of water-repellent 1680D nylon, the ICOA PRO subwoofer is optimally protected from the weather and other influences. The protective cover can be pulled over the front grille of the 21" High-Performance subwoofer to protect the ICOA PRO subwoofer in a lying position on the optional MICOA PRO SUB 21 CB castor board. The reinforced cut-outs incl. Velcro flap on the sides allow the ICOAr PRO subwoofer to be gripped and transported even with the cover on.