The best replacement for astro is tritton.

The best alternatives to astro are rated as following:
★★★★★  tritton
★★★★  turtle beach
★★★  razer
★★  sennheiser
★★  es file explorer
★  unifi
★  cosmo
★  es
★  es file manager
★  scooby doo
★  steelseries
★  hypptv
★  safari
★  turtle beaches
★  indovision
★  mitv
★  joey badass
  radian
  lippo
  triton
  tritton headset
  dpx21
  root explorer
  file expert
  afterglow
  njoi
  estrong
  scooby
  abn
  linda
  aerostar
  tv3
  gmc safari

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

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



Google Trends

Scale is based on the average worldwide traffic of astro in all years. Click on graph for more.
astro
tritton
turtle beach