I have that amp, and it is NOT rated to do 2 ohm mono. Stereo only.

The only way you can wire up the subs, is to put the coils on each sub in series, and connect them to the amp in series, but that will give you a final load of 8 ohms.

Of course that will cut the power to them from about 200W (at 4 ohms) in half to 100W, BUT the upside, is that it will actually work.

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Daily driver is what I do...
1997 Ford Escort LX
220A HO Alt + OD Pulley (To Be Reinstalled)
Jensen VM8012 In-Dash DVD Receiver w/ DVD-RW/SD Memory Card/USB Support (Xvid/AC3 Capable)
Phoenix Gold SLD44 Line Driver
Phoenix Gold TBassCUBE w/ Subsonic Filter
MTX Thunder 92001 Amp (2000W RMS)
2 x Alpine Type-R SWR-1222D Subs
Subzone dual 1.5 cu. ft. Net. Int. Vol. Vented Box @ 38Hz
JBL GTO75.4II 4-Channel Amp
Fosgate Power Series 6x9 Coaxials
Kicker KS60 Coaxials

To be installed...
18 Farad Tsunami Digital Capacitor V10HCAP-18