As the title say's I have a concept cd-2410 1 ohm amp. Used for a little bit but Trying to get on a new project, much more powerfull project. It's rated for 2410rms at 1ohm but it's more like 2000-2100+rms at 1ohm and this amp is very efficent ran with a yellow top and w/o one. I've also heard this can be dropped to .5 ohm for daily and .35 for short burps I'm un sure though since I have never tryed it. I would like 225+ shipping on this amp. pm me for pics or REF's.
