Etymotic ER20-SMB

ETY Plugs represent the pinnacle of universal ear hearing protection. Ambient noise attenuates up to 20 dB Without significantly distorting the color. There is therefore no complete suppression of certain frequencies, but only a generalized reduction in the volume levels across the audible range. Ear ER20 use special acoustic resonators and attenuation ACCU Tuned.
Key elements:

• Reducing the volume without any distortion of sound .
• Eliminating the risk of hearing damage during concerts, car races and industrial processes.
• Lets musicians hear better your own tool to save while hearing .
• All this with minimal cost and comfortable attachment.

Specifications:
Size: standard
Colour: Blue