i never ran an aq at.5 ohm before and i never had an alternator with this much amperage and charges at 14.8 volts ,i just dont wanna blow the amp so im being carefull thanks for the help u guys giving i really appreciate it i plan on running 2 aq 3500.1 but as i said for couple of weeks i wanna run the one that i got at .5 ohm just being carefull people thanks keep the information coming