amp.amplifier

Alpine CDA - 9857 Head Unit Alpine Type S 10" Sub Alpine MRP - M500 I hooked up my Alpine MRP -M500. It worked for a couple of days then cut off. Amp stayed on but no sound. Checked the fuses, Passed Voltage tests, Re-Grounded it and nothing. Since I bought the amp on eBay, I thought it was...

im looking for a cheapish amp maybe a 2/3/4 channel that will give me around 2 75w rms and 1 150w rms any suggestions? 4ohms