What 4 channel amp do you guys recommend for 4 alpine s series 5x7 speakers.
5"x7"/6"x8" 2-way speakers (pair)
polypropylene-mica woofer cone with air-injected rubber surround
1" silk dome tweeter
power range: 2-75 watts RMS (230 watts peak power)
frequency response: 73-22,000 Hz
sensitivity: 88 dB
top-mount depth: 2-7/16"
warranty: 1 year
Our 60-day money-back guarantee