Haven't seen this posted yet so.... http://www.headphone.com/guide/by-ma...do-gs-1000.php 3.5/5 Great at lower db levels.

Hi all, I recently sold my ER-6 cans. The buyer called me stating the small silver (retainer?) ring came off with the silicon tip. He has also just registered here at Head-Fi, but not activated yet. Hopefully he can chime in soon. I am having a hard time understanding what exactly is...