I was wondering if I could hook up a aguilar db 680 to a qsc rmx 850, and run it into a Ampeg BXT-410HL cab. The qsc is only 600 watts at 4 ohms, and the dealer i am buying from has offered me an Eden wt 1000 power amp and an aguilar db 680 for 2099$. Should I just go for the aguilar? Or the eden wt 1000 and aguilar? Does a power amp really affect the sound?