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Etymotic Research ER-9 Musician\'s Earplug Filters NOS Bulk (Lots: 2pcs or 10pc):
$29.99
New Old Stock of Etymotic Research ER-9 Musician\'s Earplug for custom Earmolds. Earmolds in pictures for illustration only.These NOS filters are 100% Made in the USA. Acoustic Compliance tested against original limits to confirm performance.
Of the 3 filter strengths available either through the Etymotic Research website, these are the lightest. These are great if you just want to take the edge off. Properly fit, these provide 9dB of sound reduction and have a rated Noise Reduction Rating (NRR) of 5.0dB (see cert in pics)
Lots come in pairs (2pcs) Significant discounts apply for volume buyers.
