Medical Deals OAE Hearing Screener uses DPOAE test methods with a stimulus level of 50-65dB SPL. It covers a frequency range of 2kHz to 5kHz with a signal-to-noise ratio of 6dB. The display shows measurement progress and S/N, while results indicate Pass or Refer. Comes with silicone earplugs and Type C port. Login Login 0 repins 0 comments 0 likes