... and customers can put the PCB board into the sound box2.with soft PVC, easy to handle3.can be ... .we have many sizes and shapes of the waterproof pvc sound speaker box , please see the following specification for your ... reference.Specification: 1Product Namewaterproof pvc sound speaker box2MaterialUPVC, soft PVC,ABS,PE.PC,PS3CraftExtrusion/ Coextrusion4UsedCan be ...