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.
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Upcoming No more spots available currently.
CAOHC Recertification Course
Tue, Jun 10, 2025, 8:00 AM – 5:00 PM EDTLive virtual course (fully online)
Re-certification (8 Hour Course)
Waiting List
Upcoming
CAOHC Recertification Course / Co-Sponsored by Johns Hopkins University
Thu, Jul 24, 2025, 8:00 AM – 5:00 PM EDTLive virtual course (fully online)
Re-certification (8 Hour Course)
$345
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)
$345
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