

18? I thought it was 16V...the amp is supposed to run between 11-16V I thoughtI would say about 4000 watts 1 ohm on 13.5. Some say more. Will do the 6500 watts at 1 ohm with 18 volts. This amp is no joke. http://ampguts.realmofexcursion.com/Soundstream_XXX6500/
Hmmmm, some good info there. I'm tryin to sell mine too, except mine is nearly new...you have an awesome price though.I only ran it at 12 volts but i read somewhere that it could be run at 18. manual says 16 volts. Check this out.
http://audioforum.termpro.com/topic/20/13368.html