trumpet 5,000+ posts
Barry Schanz
So this is why you asked me about a used or broken 4-channel amp. Power is cheap and there is 0 advantage to buying an abused amplifier and getting it repaired right from the get-go. I'd rather see you running a $100 new amp than to spend $40 on a dead amp and then likely spend more than twice that amount to have a reputable technician repair it and ship it back to you.