I don't know, but here are the disqualifying conditions for ears and hearing from DODI 6130.03
5.5. EARS.
a. Current defect that would require either recurrent evaluation or treatment or that may reasonably be expected to prevent or interfere with the proper wearing or use of military equipment (including hearing protection) to include atresia of the external ear or severe microtia, congenital or acquired stenosis, chronic otitis externa, or severe external ear deformity.
b. Any history of Ménière’s Syndrome or other chronic diseases of the vestibular system.
c. History of any surgically implanted hearing device.
d. History of cholesteatoma.
e. History of any inner or middle ear surgery.
f. Current perforation of the tympanic membrane or history of surgery to correct perforation during the preceding 180 days.
g. Chronic Eustachian tube dysfunction within the last 3 years as evidenced by retracted tympanic membrane, or recurrent otitis media, or the need for pressure-equalization tube.
5.6. HEARING.
a. Audiometric hearing levels are measured by audiometers calibrated to the standards in American National Standards Institute S3.6-2010 and will be used to test the hearing of all applicants.
b. Current hearing threshold level in either ear that exceeds:
(1) Pure tone at 500, 1000, and 2000 cycles per second for each ear of more than 25 decibels (dB) on the average with any individual level greater than 30 dB at those frequencies.
(2) Pure tone level more than 35 dB at 3000 cycles per second or 45 dB at 4000 cycles per second for each ear.
(3) There is no standard for 6000 cycles per second.
c. History of using hearing aids.