so my buddys had his amp unhooked for a couple months and today i went over to his house and just reconected the power wire and fuzes because thats all that he had unhooked and when we crunk the car and turned the system on his subs just let out what sounded like a 40 hz tone and nothing else his door speakers were playing the song but his subs were just going non stop the system in question is a power acoustic 820 2ohm mono ampand two memphis tens white and black i havent seen the back of the so i dont know exactly what they are someone help me please

Have you tried it powered on with rcas unhooked?

indeed sounds like a pinched rca

thats what i thought but when it freaked out i made him turn it all the way down and it didnt get any better so i just pulled the fuzes and told him that i was coming to see what you guys think so ill hit him up