Escaron, you appear to be paying too much attention to relatively small differences in maximum power capability rather than what is actually used in home listening(1 watt for a comfortably loud level and rarely if ever more than around 100 watts even for split-second peaks on the most dynamic listening material). Any of the typical home receivers rated anywhere in the 100-150 watt area(e.g. the 3808 or Onkyo 876)will "really drive" any of the Axioms, including the M80s which are a little more sensitive and require less power than the others.

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Enjoy the music, not the equipment.