The goal of the ER20 design was the same as for Musicians Earplugs: to reduce noise but preserve sound quality: in effect, to turn down the noise but not muffle voices, environmental sounds or musicTo combat the effects of Tinnitus the ER20 earplugs were developed for musicians so they could safely protect their hearing without compromising their performance. Medium / Large
 

Features:

• Low cost
• Ready-fit
• Replicates the ear`s natural response
• Sound quality is preserved
• Speech is clear, not muffled
• Reduces sound approximately 20 dB at all frequencies