The Electro-Voice EVOLVE50-SUBCVR is a cover designed to protect an Evolve 50 subwoofer from dust and moisture, while guarding against scratches when transporting or storing it at home. It features a Nylon outer shell, interior padding, and cut-outs for easy access to the subwoofer's carry handles. There is also a storage pocket in the rear for stowing essential accessories such as cables, tools, and adapters.