JBL designed their Stage Series subwoofers to give you great sound at an attractive price. Now they've created the Stage 1200D enclosure, offering you the kind of punch you expect from JBL in a surprisingly affordable package. 
Specifications:
Ported enclosure with two Stage 122AM 12" subwoofers
Polypropylene cone with rubber surround
Enclosure made from 5/8" MDF covered with black carpet
2-ohm total impedance
Power handling: 600 watts RMS (1200 watts peak)
Frequency response: 34-200 Hz
Sensitivity: 94 dB
Dimensions: 30.13"W x 15.13"H x 13.75"D1 x 10.63"D2
Warranty: 1 year 
What's in the box:
JBL Stage 1200D owner's manual
Ported enclosure loaded with two 12" subwoofer
Owner's manual (Eng / Span / Fren / Others)
2 JBL decals
Warranty card