Make it simple. One amp. How many channels depends on how many speakers you'll be driving (looks like 4 from the links). 50 watts (RMS) x 4 channels should do you good. Alpine, Audiobahn, Clarion, Infinity, Kenwood, Kicker, MTX, Pheonix Gold, Pioneer, Polk, JL, JVC, Rockford Fosgate.... Name brands. You'll be fine. Check your local car audio shops you can also go to Crutchfield online. They've been pretty good with prices and service with me.