They arrived over a week ago, and tonight was my first chance to try them in a high volume situation.
Very excellent ! They work just as promised.
With shipping and exchange rate, mine were pricey but well worth it. Ironically my drummer (who forever borrowed earplugs off me) showed up to our last rehearsal with a pair that looked very similar to the ER-20s but at a fraction of the price. Bottom line though is that those just weren't the same ... they were more of an ER-20 made totally of foam. They still gave you the dead sound of foamies.
The ER-20s are nothing fancy as far as materials or design goes, but they do work. Bonus is that they came with a neat little plastic pouch to store them in, and with a little chain so you can keep them on your belt or keychain. I recommend getting the string accessory so you don't lose them.
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You can hear your own voice really well - they make you feel like your head is totally sealed off - yet as advertised you can hear all sounds and tones quite clearly. I'd almost say they don't attenuate enough but maybe that's just my perception after years of being used to foamies, and I could also have inserted them more deeply.
It really sounds like a whole new world now. After a night in a small and loud bar, then gigging right next to a VERY loud drummer, I had no trouble hearing at a quieter jazz jam party later in the evening and now at home I have no ear fatigue or hissing/ringing.
Monday will be the true test when I face a triple-bill of Today Is The Day, Morbid Angel, and Motorhead from 20 paces.
Great work Entymotic ! Invalid Link Removed
Edit Jan 9, 2003 :
The Motorhead show was still loud & clear, in fact so much so that I was worried, but afterwards I had no ringing/hissing and no hearing fatigue.