The DSP is actually "part" of the amplifier as it runs it. And yes we can for sure do the amplification outboard, adds slightly to the cost however.
AcuDefTechGuy, shoot me an email if your interested in trying out the 6.1.P's.
The 6.1.P's are 2650/pair, the 8.2.P's are 5250/pair, and the 8.7.P's are introductory price until Jan 2014 of 19,875/pair(to be 24,845/pair). For the 8.7.P's we will also be offering an in home setup/tuning for your room and or taste, for a fee.