Driver Size 15″ Watts RMS 1500 – 6000 Peak Power 12000 VCD 4 Impedance D1 / D2 Piston Dia – in 14 ¼ Frame OD – in 16 5/8 Frame OD w/Gasket – in 16 ¾ Mounting Diameter – in 15 3/16 Mounting Depth – in 12 1/8 Motor Diameter – in 10 Motor Depth – in 5 5/8