u/Designer-Accountant8

I have a 2008 volvo v70 that uses the “MOST” fiber optic system to transmit its data and after some light research I haven’t found any aftermarket support in terms of head units. I currently have a KISLOC2 for RCA signal but I am looking for other inputs and ideas to help clean up my setup. I am also looking to upgrade my door speakers even though I have a factory amp. I recently got 2 12in kicker VR and and planning to upgrade the amp they are currently operating on (cxa400.1) to a jp11 as I found it for a nice deal. So now that I have the bass my audio feels lacking and I’m wondering if there is any ideas as to how I can get louder audio from my doors. (I have a mini chuchero aswell but the more the merrier in my opinion)

I was recently looking into amplifiers that run about 800-1000 watt rms and I came across down 4 sounds JP line I was interested in the jp3, jp8,jp11 and jp13. I am aware they are all different rms rated but according to dynos they make 800 rms fairly easy at 1 ohm ( I am running 2 kicker VR 12s 4ohm DVC wired to a final load of 1 ohm) the only issue I’m having is that I have seen no dyno tests for the jp11 and I’m wondering how it stacks up in real world applications. Any insight is appreciated, especially new or different brands as I’m fairly new to car audio and want to get a better knowledge about it all.