<prompt> Ear is sensitive to500-3500 HZ1000-3000 HZ300-5000 HZ5000-8000 HZ  <response>: External auditory canal 3000 Hz Tympanic membrane 800-1600 Hz Middle ear 800 Hz Ossicular chain 500-2000 Hz Thus the greatest sensitivity of sound transmission is between 500- 3000 Hz Ref: Dhingra 7e pg 17. 