ANSI/CTA-2051, Personal Sound Amplification Performance Criteria was superseded by ANSI/CTA-2051-B, Wearable Sound Amplifier Performance Criteria. This document is provided for information only. For any questions, please contact standards@cta.tech.
This standard includes technical performance metrics and associated target values for consumer products that provide wearable sound amplification and/or audio enhancement, like over-the-counter hearing aids.