Here are the specs on the subs!
JBL W12GTi MKII
Power handling, RMS 700W
Power handling, peak 4000W
Frequency Response 18Hz ~ 1kHz
Sensitivity 91dB
Impedance 3 or 12 ohms
Cone Kevlar®-impregnated-paper woofer cone
Coil Dual 6-ohm voice coils
Differential Drive Design (DDD) motor...