4 D1 - Sundown Audio 12 2500. Watt RMS Dual 1-Ohm Nightshade V. 4 D1 2500W RMS Dual 1-Ohm Subwoofer.
DC Resistance (Re): 1.36. Resonance Frequency (Fs): 41.46 Hz. Equivalent Volume (Vas): 9.58 L. Electrical Q Factor (Qes): 0.455. Mechanical Q Factor (Qms): 5.085.Total Q Factor (Qts): 0.418. Voice Coil Inductance (Le): 0.904 mH. Force Factor (BL): 18.1 NA. Air Load (Mms): 419.4 g. Suspension Compliance (Cms): 35.13 m/N. Sensitivity: 83.51 dB 1w / 1m. Outside Diameter: 12.67 in. Cutout Diameter: 11.09 in. Recommended Port Area: 40 sq.
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 "SUNDOWN AUDIO NS-12 V. 4 12 D1 SUB NIGHTSHADE 2500W RMS DUAL 1-OHM SUBWOOFER NEW" is in sale since Monday, August 19, 2013. 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.
4 D1 12" NIGHTSHADE