Speaker Size (In): 10 Watts RMS: 350 Watts Peak: 1100 Impedance: D4 VCD (In): 2 Fs (Hz): 35 Qms: 11.107 Qes: 0.53 Qts: 0.506 Vas (Liters): 32.495 BL (TM): 20 Xmech (MM): 30 Xmax (MM): 10 Frame OD (In): 10.12 Frame OD w/ Gasket (In): 10.25 Mounting Diameter (In): 9 Mounting Depth (In): 4.75 Motor Diameter (In): 1.7 Motor Depth (In): 5.27 Magnet Weight (Oz): 55 Woofer Displacement (CuFt): 0.05 Sealed Enclosure (CuFt): 0.5 – 0.7 Ported Enclosure (CuFt): 0.5 – 1.25 Shipping Weight (Lbs): 12.5