The best replacement for headset is microphone.

The best alternatives to headset are rated as following:
★★★★★  microphone
★★★★  speakers
★★★★  headphone
★★★  bluetooth
★★★  headphones and mic
★★★  headphones
★★  headphones for gaming
★★  surround sound
★  headset
★  hands free
★  desktop microphone
★  earphone
★  lavalier
★  analog headset
★  handset
★  mic
★  earphones
★  speakers gaming
★  turtle beach
★  wired headset
★  regular headset
  speakerphone
  stereo headset
  jawbone era
  bluetooth headset
  handsfree
  loopset
  triton ax pro 3d gaming headset
  triton
  non integrated
  turtle beach headset
  jabra
  analog
  threadless
  sound card
  wired
  usb phone
  kinect
  aheadset
  jawbone
  a40
  3.5mm
  logitech

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

Other search terms related to headset and their ratings are:
★★★★★ mic
★★★★ microphone
★ noise cancelling microphone
★ boom mic
★ best mic
★ spacers
★ microphone for phone
★ phone jack
★ static
★ microphone usb
★ bluetooth
amplifier
radio
communicator
bluetooth phone
xbox live
mute
boom microphone
noise-canceling microphone
helmet
ptt
fm radio
You have in mind a companion for headset and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of headset in all years. Click on graph for more.
headset
microphone
speakers