First of all I have an IDQ10v.3 D4
I am looking for an amp (pref zapco) and came across 2 for sale. They have the same model number (500m) but one says 2omh stable while the other one say 4ohm.
first of all what do i need for my dual 4 ohm subwoofer. and will either of these or both work?
TIA!