inputs.text: best processor market - 2014 wrx wrx understand horrible stock speakers changed speakers focal 165 k2ps use jl audio hd 9005 amp power thehem previously used jl cleansweep audiocontrol three1 worked fine line level speaker level input conversion week ago three1 rehemoved installed audison bit 10 active setup no external crossover used cannot describe detail incredible difference processor made hear dramatic fidelity depth clarity hearing sounds songs never heard mid bass response 100 audible depth drivers tweeters incredible imaginingtuning bit 10d simply rehemarkable anyone thinking processor absolutely purchase one thesei car audio enthusiast 15 years worked reputable large chain car audio company 6 years never heard processor made drastic improvehement product definitely recommend audison bit 10