Basic upgrade amplifying OEM speakers with 4-channel-amp.

Basic upgrade adding amplified subwoofer with 2-channel or monoblock.

Intermediate upgrade amplifying oem speakers and adding a subwoofer With a 5-channel amplifier

-or- Full system including replacement of oem speakers.

Dual amp system powering new speakers by 4-channel amp & subwoofer(s) by a 2-channel or monoblock amp.

Full blown competition audio/video system with high-end components in front for staging and in the rear for rear fill. 4-channel amp powers all components & 2-channel or monoblock amp powers subwoofer(s). Hybrid capacitor helps to reinforce and stabilize the power source.