Features:

Audiomobile GTS Series Low-Profile 12" Single Voice Coil Subwoofer.
Low-profile, Hex-Delta basket featuring "FAB-RAC" thermal management.
CNC machined, 2.1-inch motor featuring forged, low-carbon 1008 steel parts.
FEA designed motor with monolithic back-plate and blackbody top-plate.
Exotic, Aluminum Flux-Stabilization Device ("FSD") controls inductance.
Premium, pure Copper single voice coil provides high thermal stability.
High modulus, low-mass Composite Laminated Sandwich ("CLS") cone.
Large diameter, flat, progressive-roll spider insures very linear damping.
Premium NBR rubber surround provides up to 2-inches of total excursion.
Long-excursion (14.2 mm Xmax) with superb power-handing. Engineered for sealed or vented box applications.
Specifically designed for smallest form-factor enclosures or to work with MCAR "PST" drivers.

Specs:

12" Low Profile Subwoofer
900 Watts MAX
450 Watts RMS
Single 2 Ohm Voice Coil
Mounting Depth: 5.45"
Minimum Sealed Enclosure: .75 cu ft
See Manual for Optimal Vented / Bass-Reflex Enclosure Designs and Alignments (See Related Files Tab)

All 12" Shallow Subwoofers