The best replacement for ad700 is ad900.

The best alternatives to ad700 are rated as following:
★★★★★  ad900
★★★★★  m50
★★★★  ad700x
★★★  q701
★★★  ad900x
★★★  a700
★★★  hd555
★★★  pc360
★★★  a40
★★★  hd598
★★  hd 558
★★  siberia v2
★★  ath m50
★★  a700x
★  ath a700
★  grado
★  dt770
★  ms1
★  sr80
  es7
  ath-m50
  hd595
  hd 555
  ms 1

Your alternative for ad700 is not listed? Suggest!
Speaking about ad700, one probably shouldn't forget about mixamp.

Other search terms related to ad700 and their ratings are:
★★★★★ mixamp
★★★★ astro mixamp
You have in mind a companion for ad700 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ad700 in all years. Click on graph for more.
ad700
ad900
m50