The best replacement for surround sound is stereo.

The best alternatives to surround sound are rated as following:
★★★★★  stereo
★★★★★  sound bar
★★  home theater
★  headphones
★  2.1
★  7.1
★  stereo sound
★  5.1
★  speaker bar
★  headset
★  virtual surround
★  dolby digital
★  stereo headset
★  7.1 surround sound
  tower speakers
  home cinema
  3d sound
  5.1 surround sound
  two channel
  6.1 surround sound
  bookshelf speakers
  stereo headsets
  sound bars

Your alternative for surround sound is not listed? Suggest!
Speaking about surround sound, one probably shouldn't forget about dvd.

Other search terms related to surround sound and their ratings are:
★★★★★ dvd
★★★★ wireless rear speakers
★★★★ subwoofer
★★★★ rear speakers
★★ blu ray
★★ center channel
★★ dvd player
★ blu ray player
ceiling speakers
floor standing speakers
You have in mind a companion for surround sound and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of surround sound in all years. Click on graph for more.
surround sound
stereo
sound bar