Its hard to beat the price point of a 9.1. I use to run them when I competed two years ago with usaci. I ran just one with two of the 18 ov's dual 2's, with a ohm load of .5 for most of the year. The amp is very strong and built really well. I had two kinetik 2400's during this time and one run of 0 guage. My best score outlaw was 150.7 in a 99 ford explorer, I had a second 9.1 that I would strap with impedance load of .25 each for testing purpose. I was able to register a 153.2 with voltage dropping to 12.7. I curently run two of the 9.2's in my 02 rodeo, one of them is running two ohm mono and has yet to give out . As for the comments of Ben the owner, don't really care what people think about him, the company makes great products and customer service outstanding. These two combinations is enough for me to keep coming back again and again.