... have many sizes and shapes of the waterproof pvc empty speaker box , please see the following specification for your ... the electrical components can be put into the empty speaker box and the holes can be drilled according to ... customers' requirement.Specification: 1Product Namewaterproof pvc empty speaker box2MaterialUPVC, soft PVC,ABS,PE.PC,PS3CraftExtrusion/ Coextrusion4UsedCan be ...