Sundown Audio X-10 v3 D1 10" Dual 1-Ohm 2000W RMS Subwoofer

Sundown Audio X-10 v3 D1 10" Dual 1-Ohm 2000W RMS Subwoofer   Features Xmax = 30mm one-way by 70% BLRMS Power = 2000-watts* Vented magnetic gap* Optimized high-velocity pole vent* Innovative high-velocity vented frame spacer ringBlack Aluminum 3” voice coil former for superior heat dissipationHigh Temperature Round-Wire CCAW voice coil with high-temp black adhesive** The 18” model with optional tooled Sundown Frame uses a 4-Layer Flat Wire / All Aluminum Coil that is ~30% longerLarge aluminum faraday ring (Magnet ID)Spring Loaded TerminalsStitched-On Double-XL Tinsel Leads to prevent fatigue and failureMega-Roll v.2 Surround TechnologyHigh strength, custom tooled & patented cast aluminum frameOptimized for small ported & band-pass enclosures* -- These features combine to create the optimized coil ventilation system.     Specifications: DC Resistance (Re): 3.80 ΩResonance Frequency (Fs): 38.2 HzEquivalent Volume (Vas): 9.0 LElectrical Q Factor (Qes): 0.53Mechanical Q Factor (Qms): 4.93Total Q Factor (Qts): 0.48Voice Coil Inductance (Le): 2.56 mHForce Factor (BL): 24.8 NAMoving Mass (incl. Air Load) (Mms): 356.4 gSuspension Compliance (Cms): 0.05 mm/NSensitivity: 81.6 dB 1w / 1m