The best replacement for audio cable is optical cable.

The best alternatives to audio cable are rated as following:
★★★★★  optical cable
★★★★  video cable
★★★★  rca
★★  speaker cable
★★  coaxial digital
★  analog audio cable
★  digital optical
★  unbalanced
★  component audio
  hdmi cable
  toslink
  coaxial
  digital coax
  rca cable
  subwoofer cable

Your alternative for audio cable is not listed? Suggest!
Speaking about audio cable, one probably shouldn't forget about hdmi.

Other search terms related to audio cable and their ratings are:
★★★★★ hdmi
★ stereo mix
★ vga
★ volume control and mic
You have in mind a companion for audio cable and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of audio cable in all years. Click on graph for more.
audio cable
optical cable
video cable