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Commercial Audio Technician

certifying organization info

ETA International
Commercial Audio Technician
5 Depot Street, Greencastle
IN 46135


The Commercial Audio Technician (CAT) is a certification for sound system technicians who need to design, install and troubleshoot speech and music sound systems in commercial and institutional environments. Commercial Audio Technicians must be knowledgeable in Acoustics, Microphones, Speakers, Sound & Measurements, Wiring, 70-Volt Systems, Troubleshooting, Safety, Codes and Standards.

Commercial Audio Technician Website


Oral or Written Exam Required? Yes

Renewal Required? Every 1 Year(s)

Renew through Continuing Educational Units(CEU)? Yes

Renew through Re-Examination? No

Renew through Continuing Professional Development(CPD)? No

Does applicant have choice of at least two options from above for renewal (CEU, CPD, or exam)? No

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