Ra, the pc2600 pumps around 800 watts jl 500 is around 600, but the jl is easier on you electrical system an is 2 ohm stable the pc2600 on paper is only 4 ohm stable bridged but it can do 2 ohm but wams up, and can go into protection if not properly ventilated, on the other hand class ab amps sound a little better than class d, each amp is excellent its what imprtnt to you that counts