Electro-Voice CB-5 Array Rigging Kit for Two ZX3 or ZX5 Loudspeakers BlackElectro Voice CB 5 Array Rigging Kit for Two ZX3 or ZX5 Loudspeakers Black The Electro Voice CB5 Array Rigging Kit for Two ZX3 or ZX5 Loudspeakers Black is a hardware suspension mounting kit consisting of 10 matching forged eyebolts for the M8 metric insert points, and a pair of supplementary Anchor Plates, for securing a pair of the Electro Voice ZX5 Series of Speakers to an overhead rigging system in a permanent install P. A. Application.