Memphis Audio SRXE212V Dual 12 1000w Vented Loaded SRX Car Subwooer Enclosure. Condition: AN OPEN BOX ITEM. (2) 2 diameter 4 layer copper. Wound aluminum heat treated voice coils. Dimensions: 31.75 x 15 x 15.75in. If your item is defective or you want to return it for any reason within the first 30 days of when it was delivered to you; you have the following options. We will send you a. To replace the item for a brand new one. All replacements and exchanges are free.