its the 1000d's big brother..just heard one today hooked up to a set (pair) of jl audio 18w3's was pretty impressive to say the least...also heard it on a 12w7 and the w7 actually moved ALOT! solid amp and value in my book also .5% you cant even hear being that your speakers are 10 times more distorted than your amp from a "perfection" standpoint most people notice distortion at above 1%