Available at your local dealer
Item # 190
THX®-Approved the KPT-684 is a high output bass-reflex subwoofer featuring advanced low-frequency driver design. The system utilizes two 18-inch drivers that gain their high efficiency through the use of large geometrically optimized magnet structures and lightweight cones. The enclosure is constructed of one-inch void-free birch plywood and features internal cross braces at all cabinet joints.