Virtual CAOHC Courses offered by Earmark Hearing Conservation are entirely online with no in-person requirements. Instruction, audiometric practicum, hearing protection device practicum, and examination are all completed through your browser. Please reach out with any questions regarding our virtual courses.
Click here to see what students are saying about the course!
Upcoming
CAOHC Recertification Course / Co-Sponsored by Johns Hopkins University
Wed, Sep 10, 2025, 8:00 AM – 5:00 PM EDTLive virtual course (fully online)
Re-certification (8 Hour Course)
$385
Upcoming
CAOHC Recertification Course
Wed, Oct 22, 2025, 8:00 AM – 5:00 PM EDTLive virtual course (fully online)
Re-certification (8 Hour Course)
$345
Upcoming
CAOHC Recertification Course
Wed, Dec 3, 2025, 8:00 AM – 5:00 PM ESTLive virtual course (fully online)
Re-certification (8 Hour Course)
$345