JBL Convertible Cover for EON305 Speaker - Black (EON15-CVR-3CX) Convertible cover for EON 15 - specially designed to protect your loudspeakers A new, patent pending convertible design allows full functionality of speaker while inside protective cover. Roll away access panels cover front grille, rear inputs, and carry handles - Allowing full functionality while inside cover. Durable #10 nylon coil zippers Printed JBL logo on front panel to compliment your EONs