This Rain Cover from the house of Thomann is designed to provide a secure environment for the MBA120W Amplifier Box. This cover features a flap on the rear side to allow access to the speaker even when the rest of the device is covered. A gauze is fitted on the front to allow free passage of sound. This cover is constructed out of heavy-duty, water-resistant nylon, which guards your system against heavy rains. This material also guarantees immense durability.