Wet Sounds REVO8SW-BGRILL Black SW Closed Style Grill for the REVO 8" Subwoofer Add protection and style to your Wet Sounds' REVO 8 FA Subwoofers. With a bold design and durable finish, these grilles are a practical addition to the interior of your boat or sxs to match your REVO marine coaxial speakers and are available in 8 different styles & finishes. * Please Note REVO 8 Subwoofer Grilles are sold individually.