@kennesawjet
Generally, 500wpc should be plenty to power for a 86 dB sensitivity speaker. Are you listening at loud levels and/or your room is relatively large and/or compensating for hearing loss?
looking for a more efficient speaker.....
some thing with a higher then my current rated 86 alon IV. something more easier to drive. i love the way the sound but i have to drive them at 1-2 oclock to get the best sound and then you start to hear the strain. let me know, i dont have big pockets so keep that in mind, plus i like floor standing types.