JBL EONONE-MK2-CVR PADDED SLIP COVER FOR EONONE-MK2 – Speaker Slipcover Designed for JBL EON ONE MK2 All-in-One Linear Array PA System. The EONONE-MK2-CVR speaker slipcover provides an excellent fit for the JBL EON ONE MK2 All-in-One Linear Array PA System. The cover is constructed of black, water-resistant polyester with a 5mm padded interior to keep your speaker protected during transport. A cutout flap on the top allows for carrying the speaker while it remains inside the cover, making it perfect for quick trips. Simply pull on the hook-and-loop flap to expose the handle.