As a ER4 user I'm no stranger to deep insertion:ksc75smile: thanks for the suggestion I'll check out the triple flange. Have a great day.

Guys I'm a long time user and fan of the ER4S. Recently upgraded to the Angie V2 Universals. Amazing treble extension and soundstage however isolation is very poor compared to the ER4S. I've tried the stock tips, Sony silicone and foam tips and spinfit dual flange. Any other suggestions or...