Considering trading my CAB-45 for a Taramps smart 5k. Just looking at specs and the smart is rated 5k at 1 and 2 ohm and drops to 2900 at 4 ohm. The CAB-45 is rated 2750 at 2 ohm. I'm wired at 1 ohm but seems with rise I'd get significantly more power from the smart. Thoughts?