Awesome, I own two Emotiva XPA-1 gen 1 monoblocks. On 5/10 i ordered one of D-sonic's 400W dual mono, stereo amps. It will be here on 5/20, to compare to my Emotiva amps. I went with the 400w version over the 600w, due to the wider frequency rating, higher dampening factor, lower THD. The...