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Bazooka BT1224DVC BT Series 12-Inch 4-Ohm Dual Passive Tube

Passive Bass Tubes enclosure with dual voice coil 12-inch subwoofer
Corner-loading optimization provides maximum bass performance
600 watts maximum power handling with dual four-ohm impedance
High-efficiency woofer designed and reinforced for use in Bass Tubes
Includes straps for secure mounting