DD Audio Redline 606-D4

Speaker Size (In): 6.5 Watts RMS: 250 - 500 Watts Peak: 1500 Impedance: D4 VCD (In): 2 Piston Diameter (In): 5.375 Fs (Hz): 43.74 Qms: 4.907 Qes: 0.558 Qts: 0.501 Vas: 4.395 Xmech (MM): 56 Xmax (MM): 9 Frame OD (In): 7 Frame OD w/Gasket (In): 7 1/8 Mounting Diameter (In): 6 Mounting Depth (In): 4 1/2 Motor Diameter (In): 5 1/2 Motor Depth (In): 2 Woofer Displacement (CuFt): 0.04 Sealed Enclosure (CuFt): 0.25 - 0.5 Ported Enclosure (CuFt): 0.25 - 0.75 Shipping Weight (Lbs): 10.5