I have a MMATS DHC1400.2 amp and 2 12" Kenwood Excelon KFC-XW1200F Subs. What size wires should I use? Do I need a capacitor? Do I need two batteries?

MMATS DHC1400.2 Specs and suggested hook up:
RMS power at 13.8v
2 four ohm woofers @ 700 Wrms each
S/N Ratio: -92db A-Wtd
Frequency Response: <10 to 225Hz
Lowpass Filter: Variable 24db, 70 to 200Hz
Idle Current: 1A
Dimensions (LxWxH): 12” x 9.25” x 2.25”

Kenwood Excelon KFC-XW1200F Specs:
Recommended RMS Power: 350W
Peak Power Handling: 1400W
Impedance: 4 ohms
Size: 12 inch
8 gauge silver-plated wire terminals



Heres the box and subs behind seat of my 07 SD Classic

Thanks