ER-20 Pro Universal-fit Earplugs in-ears For those who want nothing

For those who want nothing more than to shut out all the noise around them and get a good night’s sleep

2X-S has the same sound signature and drivers as our 2MAX

or half-shell (lower profile) format

as voted by the readers of Pro Audio Review Magazine

ER-20 Pro Universal-fit Earplugs in-ears For those who want nothingA low cost, high fidelity filtered earplug that closely replicates the ears natural frequency response. Music sounds clear and natural, with levels reduced by 20 dB to protect your hearing. Made by Etymotic Research, the ER 20 uses secure triple flange silicone insertion plugs for a secure seal and comfortable fit. Available in regular and large sizes. Supplied with an airtight aluminum storage case.