I dont have shit to sell but I can offer advice.. The Viper 2500.1 are 1800 at 2ohm the Orion 2500d is 1700@ 2 Crossifire is 2000 at 2 Mojo Mc2000D is 2000at 2.. The IA would be awesome imo..But the Autotek is great and wouldnt have to be ran at .5... I was set on a Orion for mines but I happened across the Memphis.. but I still aint got the proper electrical