Speaker Size (In): 12 Watts RMS: 350 Watts Peak: 1100 Impedance: D2 VCD (In): 2 Fs (Hz): 37 Qms: 4.96 Qes: 0.75 Qts: 0.65 Vas (Liters): 37.05 BL (TM): 20 Xmech (MM): 30 Xmax (MM): 10 Frame OD (In): 12.22 Frame OD w/ Gasket (In): 12.4 Mounting Diameter (In): 11 Mounting Depth (In): 5.34 Motor Diameter (In): 1.7 Motor Depth (In): 5.27 Magnet Weight (Oz): 55 Woofer Displacement (CuFt): 0.06 Sealed Enclosure (CuFt): 0.75 – 1.0 Ported Enclosure (CuFt): 0.8 – 2.0 Shipping Weight (Lbs): 13