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What are the Differences between the Custom Molded Earplugs and Percussive Shooting Filters?Updated 16 days ago

Decibullz Custom Molded Earplugs and Decibullz Custom Molded Percussive Shooting Filters both use our patented Thermo-Fit custom molding system, but they are designed for very different environments and use cases. Here’s how they compare:


1. Hearing Protection Type:

  • Custom Molded Earplugs: Offer consistent passive noise reduction across all frequencies. Designed to block continuous loud noise like machinery, concerts, travel noise, or sleeping environments.

  • Percussive Shooting Filters: Include built-in percussive filter elements that allow low-level sounds to pass through but react to sudden loud sounds (like gunfire), reducing the decibel level only when needed.


2. Best Use Cases:

  • Custom Molded Earplugs: Ideal for industrial work, sleeping, concerts, DIY projects, air travel, and general sound dampening.

  • Percussive Shooting Filters: Best for shooting, hunting, tactical training, and military use—any situation where you need to hear your surroundings but still need protection from sudden loud noises.


3. Awareness vs. Isolation:

  • Custom Molded Earplugs: Designed for isolation—blocks most sounds completely (up to NRR 31).

  • Percussive Shooting Filters: Designed for awareness—blocks dangerous impulse sounds (IPIL up to 166 dB) but lets voices and safe ambient sounds through.


4. Batteries or Electronics:

  • Neither requires batteries or electronics. Both are 100% passive and reusable.


5. Tips & Compatibility:

  • Both products come with multiple tip sizes and types (foam and silicone). You can interchange tips for the fit and protection level you prefer.


If you need total noise reduction for general environments, choose Custom Molded Earplugs.

If you’re using firearms and need situational awareness, choose Percussive Shooting Filters.

Learn More & Watch the Molding Guide: https://www.decibullz.com/percussive-filter-instructions

Support Page: https://www.decibullz.com/support

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