Orion HCCA Custom Subwoofer Enclosures and Boxes. Want to get the most out of your brand new Heavy duty 10", 12"or 15 Orion HCCA Subwoofer. We speacialise in custom building MDF enclosures that are designed to maximise the output of your woofer, we can build them for pretty much any vehicle in a numbers of different trims to suit your application. Prices can vary depending on your needs but here is a guide.The item "Orion HCCA 10 12 15 Empty Subwoofer Speaker Box Enclosure Sub Bassbox" is in sale since Thursday, March 13, 2014. This item is in the category "Vehicle Parts & Accessories\In-Car Technology, GPS & Security\Other In-Car Technology". The seller is "caraudioz" and is located in London. This item can be shipped worldwide.