If I take a 3000 watt amp that does rated @1 ohm 14.4. Set it correctly to 1500 rms @1 ohm. Then set it correctly to 1500 @ .5 ohm. Would there be a difference? Like if I took a saz1500 and set it to 1000@ .25 would there be a difference from 1 ohm? And this is in a situation where your electrical can handle 1000-1500. Or do you take losses from your equipment by running them at a lower impedance, but not trying to take more from the amp? This is a hypothetical question to better understand this hobby.