Pio 4050UB is around 6K. The price of new JBL A402 2ch amp is somewhat 4.5K here. Both amps I got in some deals, Blau PA275 from JK and JBL from another source. I never expected this much devices and budget, but done it as I got some deals/exchanges and thats the reason for 2 seperate amps instead of a 4ch amp. Also I believe a seperate amp for sub is better than a combined amp and would have gone with it even if I budgeted for amps. But driving the rear co-axial from HU only (as I got 2 ch amp) is OK in my concept and experience. They still act as a good fillers at rear and for me that is enough. Man, time to put full stop. I am more than satisfied and this is beyond my needs and what me and my car can hold
. Anyway have put some buffer for good damping and some good cables. Waiting for it to be done asap.