Earphone Abbreviations and Acronyms

  1. ER
    Etymotie Research
  2. HF
    High-Fidelity
  3. HF
    High Fidility
  4. HF2
    Host Flag 2
  5. HFR
    High Frequency Receiver
  6. HI-FI
    High-Fidelity
  7. PFE
    Perfect Fit Earphones
  8. PFES
    Perfect Fit Earphones
  9. PTH
    Push-To-Hear
  10. PTH
    Push To Hear
  11. RM
    Remax Metal
  12. TWS
    Ture Wireless Stereo
  13. TWS
    Twins Wireless Sport

Last updated: — Total entries: 13