Great care has been taken by ADCOM to assure that your 5-channel power amplifier is as flawless in appearance as it is electronically. The front panel is a heavy- gauge, high-grade aluminum extrusion carefully finished and anodized for durability. The chassis, top cover and rear panel are of heavy-gauge steel, both painted and baked. If the front panel, top or sides should become dusty or fingerprinted, they can be cleaned with a Swifter and/or a clean, soft, Lintless, microfiber cloth,slightly dampened with a very mild detergent solution or nonammonia glass cleaner.