RMS 2000 watts Dual 1 or 2 ohm voice coil Made for extremely deep bass Triple-stacked magnet 3” voice coil Hyper-extended pole Built to order Designed with an extended pole piece and an incredible four inches of peak-to-peak excursion, the X v.3 is engineered for ultra-deep bass and high power handling. Engineered to set a new standard in the low-frequency/small-ported-box subwoofer category, the X Series can also work in up to a 50% larger enclosure if you desire even more low-end extension. The X v.3 series differentiates itself with its incredibly linear suspension, ensuring the lowest level of bass extension in a small enclosure while maintaining extremely low levels of distortion. Notably, the v.3 series features a much larger motor structure (220mm vs. 190mm on the v.1 series), improved motor ventilation, and an all-new Mega-Roll v.2 surround, providing a more linear and rugged update to the world-famous Mega-Roll v.1 surround design. Specifications T/S SPECS X V.3 10″ D1 X V.3 10″ D2 RE (Ohms) 1.4 3.2 FS (Hz) 39.104 40.208 VAS (L) 11.623 9.352 Qes 0.441 0.528 Qms 2.567 2.842 Qts 0.376 0.445 Le (mH)     BL (NA) 14.155 21.509 Mms (Grams) 256.970 302.089 Cms (uM/N) 64.465 51.867 Sens (dB @ 1w/1m) 83.8dB 82.5dB Enclosure Specifications X v.3 8 X v.3 10 X v.3 12 X v.3 15 X v.3 18 Sealed Enclosure 0.3-.04cuft N/A N/A N/A N/A Ported Enclosure 0.75-1.0 cu ft 1.5 cu ft 2.5 cu ft 4.25 cu ft 7.00 cu ft Recommended Tuning 32hz 32hz 32hz 32hz 32hz Recommended Port Area 12-16 sq in 24 sq in 40 sq in 68 sq in 112 sq in Displacement 0.13 cu ft 0.21 cu ft 0.2 cu ft 0.22 cu ft 0.23 cu ft Depth 6.8" 9.4" 10.4" 11.6" 13.6" Outside Diam. 8.70" 11.65" 12.68" 15.51" 18.42" Cutout 7.36" 10.01" 11.09" 13.83" 16.69" Physical Dimensions Download Download Download Download Download