Obsidian:
Utilizing a new higher grade and higher temp black neodymium magnet this takes the 4.11 platform and pushes it past the venerated Omega Series.  Comes with Plus 4″ coils and 5 spiders with our custom epoxy spider joints.   Featuting a light weight and ultra strong gloss carbon fiber Rohacell sandwich cone, extra heavy duty foam surround,  and gloss carbon fiber dustcap. Designed for modern monster applications in ported or 6th order high-pressure systems or all out extreme SPL builds. 4500-many Watts with standard included stage 3 inductance/cooling system.  12″, 15″, and 18″sizes.  All motor and basket parts are powder coated gloss black and comes with a lasered back logo which is number showing your order out of the limited 25 piece run.
 
Dual 1 and Dual 2 Ohm
Higher grade black Neodymium
Gloss powder coated parts
Extra heavy aluminum basket
Wrap around gasket
Gloss carbon Rohacell cone
Extra heavy wide foam surround
Standard heavy duty stitched hybrid lead or push/hybrid termination
144 tinsel count leads
FEA optimized motor
4500W on up depending on options
Open column motor design for increased cooling
4” diameter 4 layer coil
Plus heavy duty coils 
(5) 10″ Progressive spiders
Water jet and machined in house at Fi
3 stage inductance and cooling standard
33mm Xmax
12″, 15″, and 18″sizes
Limited run of 25 subs
Custom numbered and lasered back tag