try specifying a budteg, what speakers you have, etc, and we can help. this is like walking into a doctor's office and saying "Hi! write me a prescription. I feel sick!"
Josh, so ya want a 4 channel amp to handle the components. that'd be a 4 channel amp. Kicker and MTX both have great 4 channel amps. or, you can go with a matching Alpine if you want that uniformed look.