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

Features

Xmax = 30mm one-way by 70% BL
RMS Power = 2000-watts
* Vented magnetic gap
* Optimized high-velocity pole vent
* Innovative high-velocity vented frame spacer ring
Black Aluminum 3” voice coil former for superior heat dissipation
High 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% longer
Large aluminum faraday ring (Magnet ID)
Spring Loaded Terminals
Stitched-On Double-XL Tinsel Leads to prevent fatigue and failure
Mega-Roll v.2 Surround Technology
High strength, custom tooled & patented cast aluminum frame
Optimized for small ported & band-pass enclosures
* -- These features combine to create the optimized coil ventilation system.

Specifications:

DC Resistance (Re): 3.80 Ω
Resonance Frequency (Fs): 38.2 Hz
Equivalent Volume (Vas): 9.0 L
Electrical Q Factor (Qes): 0.53
Mechanical Q Factor (Qms): 4.93
Total Q Factor (Qts): 0.48
Voice Coil Inductance (Le): 2.56 mH
Force Factor (BL): 24.8 NA
Moving Mass (incl. Air Load) (Mms): 356.4 g
Suspension Compliance (Cms): 0.05 mm/N
Sensitivity: 81.6 dB 1w / 1m