I have JL Audio C2 650 up front and C2 5x7 in the rear with a JX400/4 amp. Im up grading to Audiofrog GB10, GB25 in custom pod on the mirror access panel, then GB60 in the door. Rear will be GB60, with a Audison AP8.9 DSP/Amp. Can't wait to hear what it sounds fully tuned.