sorry to get into this convo so late lol, my MEASURED output from my amp is 4975 watts, its an atomic 5kw running off 2 NSB batteries, 1 nsb 75 in the stock tray and 1 NSB 90 in the back. Its powering 2 10" TFOne subs. Highest number ive gotten is 150.4 on Termlab.