I can either run my RUBI2500 at 1 ohm, and DMM set it to around 1000-1500w or get what I can out of it at 4 ohms. I ran out of money for an extra battery and 0ga wire, so I'm just gonna reconnect my old Big 3 and order a 4ga wire kit and run it for about 3 months like that. So which should I do?