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HearDefenders-DF® Filtered Earplugs


HearDefenders-DF™ dual-filtered hearing protectors feature Variable Attenuation.  As noise levels go up, noise suppression goes up, allowing speech and radio communications to be heard!

HearDefenders-DF™ are the first and only product to offer the flexibility of two levels of hearing protection and the ability to hook up to radio communications. They are specifically designed to help the user hear critical acoustics (sounds) including speech, while filtering out loud or harmful impact sounds.

How to determine your correct size:

  • Large = Circumference of a AA battery
  • Medium = Circumference of a AAA battery
  • Small = Circumference is less than a AAA battery

If unsure between two sizes, go with the smaller size.



Product Description

 The HearDefenders-DF™ Attenuation Study was conducted from 50 dBa to 110 dBa verifying how attenuation values increase as noise levels increase. When compared to average performances from solid ear protection, HearDefenders-DF™ clearly demonstrate the ability to hear critical acoustics (sounds) better while suppressing unwanted noise. The information above refers to attenuation provided when both filters are worn.
  • Advanced filter technology improves speech and radio communication without distortion or muffling
  • Use with one or two filters
  • External filter is removable
  • Optimal Acoustic Filtering
  • Fit comfortably under helmets
  • Floatable, moisture resistant
  • Breathable filter allows for pressure equalization
  • Can be used with cell phone
  • Durable – last 2 – 3 years
  • Easy to use and clean
  • 3 Sizes for comfortable fit – S-M-L
  • Available in black or orange

HearDefenders-DF AwardNote: The U.S. Environmental Protection agency requires manufacturers to provide a Noise Reduction Rating (NRR) on all hearing protection type products being marketed into most commercial type accounts.  According to E.P.A. Document 08AR-2003-0024, exception to this requirement may be granted to entities participating in National Security.  OSHA regulations state volume levels of 80-85 dB are safe for an eight hour period of time.

Please consult a hearing healthcare professional who can advise you about safety levels and appropriate filtering options.

Click here for Declaration of Conformity PDF

HearDefenders-DF Custom-fitThe Chameleon Ears™ HearDefenders-DF® Earplugs is our custom-fit option for the HearDefenders-Df Product Line.

The Dual Filter of this custom-fit product provides variable attenuation – as the nose level increases so does the noise reduction. Until now military, law enforcement or even coaching staffs were never able to purchase a multi-functional dual filtered earplug that was designed to help you hear speech better in noise and be hooked up to two-way radio communications – now you can! When compared to average performances from solid earplugs, the Chameleon Ears™ HearDefenders-DF® Earplugs clearly demonstrates the ability to hear critical sounds better while suppressing unwanted noise.

Chameleon Ears™ are super soft hydrophobic silicone earplugs. While similar to our Insta-Mold earplugs, they have more durability and flexibility. These earplugs are our most customizable product and can be produced in a variety of brilliant solid colors that can be swirled together, glitter can be added or they can be made to glow in the dark.

Price: $185.00

Custom Order Now

Many of E.A.R.’s custom products come with a warranty for fit as well as repair and service. If you need to verify your warranty status, please call our office at 1-800.525.2690  or 1-303.447.2619  Monday – Friday 8:00 am – 4:30 pm MT.

You can also contact our Custom Service Department by filling out the Customer Service Request form.

Click on the button below and find your product’s warranty information. Please include your Invoice, Sales Receipt or Transaction Number.

If you are trying to reach us outside of our working hours, our Customer Service Department will return your inquiry during normal business hours of operation.

Warranty Information Page

Color Options: Black | Orange
Size Options: Large | Medium | Small

This chart was conducted from 50dBa to 110dBa and verifies how the NRR values increase as the noise level increases. When compared to average performances from solid earplugs, the HearDefenders-DF® clearly demonstrates the ability to hear critical sounds better while suppressing unwanted noise. (Information provided is with both filters installed)

With this new breakthrough in being able to produce a non-electronic earplug with the aspects of increasing noise suppression to louder noise environments, we call this product HearDefenders-DF® and have made it available in a choice of different colors, 3 easy-to-insert sizes and a removable cord.

HearDefenders-DF Diagram

HearDefenders-DF™ information card

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