4 D2 - Sundown Audio 18 2500. Watt RMS Dual 2-Ohm Nightshade V. 4 D2 2500W RMS Dual 2-Ohm Subwoofer. DC Resistance (Re): 2.85.Resonance Frequency (Fs): 26.69 Hz. Equivalent Volume (Vas): 123.33 L. Electrical Q Factor (Qes): 0.350.
Mechanical Q Factor (Qms): 3.9367. Total Q Factor (Qts): 0.3217. Voice Coil Inductance (Le): 2.290 mH. Force Factor (BL): 26.96 NA.
Air Load (Mms): 532.29 g. Suspension Compliance (Cms): 66.79 m/N. Sensitivity: 90.00 dB 1w / 1m. Outside Diameter: 18.42 in. Cutout Diameter: 16.69 in.
Recommended Port Area: 112 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-18 V. 4 D2 18 NIGHTSHADE 2500W RMS DUAL 2-OHM SUBWOOFER NEW" is in sale since Thursday, March 15, 2018.
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.