why overkill if its not necessary. its not like its hard to sell a Sundown 1500 if he wants to upgradeSo using the whole amps potential makes the amp better?
you can strap 2 aq2200d's.sundown > aq2200 if you are going to wire the aq at 2ohms... so if u plan on upgrading u can strap another sundown 1500 and another FI