i recently bought akg 701s and am going to pair them up with the xm5 amp just wondering if this setup is any good and if they compliment one another thank you in advance

I Need Help Deciding on which pair of headphones to get. I recently got Sennheiser HD 414 and 465 and was horribly let down by the 465s, so here is what i am considering Sennheiser 595 Beyerdynamic DT 880 Akg K701 i am kinda turned off from sennheiser but i did buy 2 of their lower...