The OTTO Engineering NoizeBarrier Micro does have a hearing enhancement mode. This amplifies soft sounds up to 5x, while maintaining normal level hearing for other noises.
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by Derick Hodges, from NC, United States Asked on March 12, 2022
The OTTO Engineering NoizeBarrier Micro does have a hearing enhancement mode. This amplifies soft sounds up to 5x, while maintaining normal level hearing for other noises.