I'd do one more L7 just to drop it to a 2-ohm load. Then buy a bigger/another amp. Like an Atomic 5K or another ZX2500.1. Send 'em a clean 1250W a piece. They should bump pretty good. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif As they stand now, all three are underpowered by at least a couple hundred watts seeing as you're running a 2.67-ohm load.