Follow the instructions in the link provided below to perform a quick test of whether you are getting at least a minimum 15 decibel (dB) level of protection.
If you are unable to get the level of protection you need, try the following:
Make sure you are using the foam tips for the most noise isolation.
If you are using the foam tips, move up to a larger size of the foam.
Try Remolding using these tips: Remolding Tips
If you still need additional support, reach out to Decibullz Customer Success Support and our expert team will be able to assist you further.