ER-20xs High Definition Earplugs Motorsports – 3 tip options


Ideal for motorsports and track racing enthusiasts.*

*CAUTION: Top Fuel and other drag races may produce sound levels exceeding the protection capacity of any available hearing protector. Double protection (ear plugs + ear muffs) is recommended.


Ideal for motorsports and track racing enthusiasts. ER•20XS earplugs come with three interchangeable pairs of ear tips (standard 3 flange, large 3 flange and foam) for more fitting options.

ER•20XS earplugs are an alternative to generic foam earplugs: Foam eartips on ER•20XS Motorsports earplugs work in conjunction with the advanced filter technology in the earplug itself, offering protection and clear communication.

ER•20XS Motorsports Earplugs feature a stem-less design, with a low profile that conforms to the plane of the outer ear. This makes them particularly comfortable to wear under hats and helmets. A small, flexible pull tab allows for easy removal.


  • 3 eartip options for best fit, comfort and seal
  • Protects against noise-induced hearing loss
  • Lowers sound evenly 20 dB
  • Fits under hats and helmets
  • Reduces wind noise
  • Reduces noise fatigue
  • Interchangeable eartips


  • ER•20XS earplugs
  • Pair of Standard 3-Flange Eartips
  • Pair of Large 3-Flange Eartips
  • Pair of Foam Eartips
  • Neck cord
  • Case
  • Instructions


ER•20XS are reusable, but with repeated use, the ear tips may lose elasticity. For best performance and retention, if you use your ER•20XS constantly, consider replacing them every 3-6 months.

Technical specifications

ER•20XS use a tuned resonator and acoustic resistor to replicate the natural response of the ear canal. This unique construction, combined with Etymotic’s proprietary sound path, reduces sound levels evenly across the frequency range without changing the sound quality. Result: Music and speech remain clear, but quieter and safer.

ER-20XS Noise Reduction Chart

ER•20XS provide almost equal sound reduction (20 dB) across the range of hearing. Foam earplugs reduce the high frequencies, resulting in muffled speech and music. NSR (Noise Reduction Rating) 13 dB.



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ER20xs - motorsport hearing protection
ER-20xs High Definition Earplugs Motorsports – 3 tip options