Help Center
Go to tetrahearing.com
Contact us
Product Questions
Pre-Purchase
Hearing Questions
Product Questions
Post-Purchase
Return Process
Support Videos
Back to home
Help Center
Product Questions
Pre-Purchase
Hearing Questions
Product Questions
Post-Purchase
Return Process
Support Videos
What is the NRR for CustomShields?
The NRR (noise reduction rating) for our CustomShields is 26.5 dB.
