here are some specs for the subs and box:
Power handling: 375W rms @ 4 ohms
Drivers: three 10w0-12
Final impedance: 4 ohms mono
Dimensions (HxWxD): 13.5" x 32" x 15.5"
Notes: Sealed enclosure, rear-firing design.

The model number for the subs and box is CS310R-W0. The box is made by JL Audio as well, and it comes loaded with the subs, and all wired up and stuff. Each sub has it's own chamber, and is full with pollyfill.