4 - Image Dynamics 8 500W RMS Dual 4-Ohm IDQ V. DC Resistance: 2.9 Ohms. Resonant Frequency: 35.05 Hz.
Equivalent Volume: 0.57 cuft (16.20 Liters). Piston Area: 216.42 cm2. Sensitivity w/m: 82.20 dB. Force Factor: 13.07 Tm.
Speaker Displacement: 0.05 (1.42 liters). Mounting Depth: 125.75mm (4.95). Cut-out Diameter: 184.40mm (7.26).
Screw Hole Diameter: 197mm (7.76). Outside Diameter: 212mm (8.35). You will be issued a Return Authorization Number. In order to maintain an inventory of 100%, Brand New, A-Stock, untouched products, all sales are final.We ask that you please be sure you are ordering the correct product. The item "IMAGE DYNAMICS IDQ-8 D4 V. 4 8 500W RMS DUAL 4-OHM IDQ V. 4 CAR SUBWOOFER SPEAKER" is in sale since Monday, August 2, 2010. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers". The seller is "woofersetc_outlet" and is located in Los Angeles, California. This item can be shipped worldwide.