Sundown Audio 12" X V.3 dual 1 ohm

The Sundown Audio X12 v3 D1 has a bigger motor and graduates to the Zv5 coil. So also more linear Xmax. Which Means More output and less distortion and more power handling vs. the Sundown Audio X12 v2 D1 -- the X12 v3 is like 85% of a Z v5 . with these upgrades; sundown audio has added 500 more watts to the power handling making it one of the most potent 12-inch subwoofers in the world, that also sounds good. 

Sundown X12 Version 3 Dual 1 ohm:

Power Handling: 2000w rms

Sealed: not recommended

Ported: 2.50 Cubic Feet

Displacement: 0.20 Cubic Feet

Depth: 9.67 Inches

Outside Diameter: 12.68 Inches

Cut-Out: 11.09 Inches

Recommended Tuning: 32hz

Recommended Port Area: 40 Square inches