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1.
The best damn headphones in the world. Smooth, neutral, and very musical, and with 40dB of isolation to boot!
Upon inserting the ER4S into his ears, PiccoloNamek had an intense eargasm.
by PiccoloNamek August 18, 2006
10 2

Words related to ER4S:

er4 er-4s ety etymotic headphone