My Pioneer 800watt went dead and was going to replace it and not really sure if it was the amp after checking everything. Was going to buy the same but the price is up there. Then I saw this at Walmart for under $50 and thought to give it a try. Had my doubts but for the price, couldn't go wrong. Boy, was I shockingly suprise. Are you kidding me? It exceeded all my expectations. I have a 1400 watt subwoofer and this baby rocks it hard with thunderous bass. Very pleased. Thank You finally, Walmart!.