Hey guys, I want to upgrade my ER4P to ER4S to use with my Sansa Clip+ and computer.  I was thinking about getting a CMOY amp from biosciencegeek and purchasing an Asus Xonar DSX separately, but was concerned about the quality of the DSX (or any soundboard compared to a DAC).  I'm trying to...

Hey guys sorry to start up an old thread, but I recently got the Er4p for my sansa clip plus (and I love them )  but I tend to hear a lot more clipping with the earphones.  Does it have to do anything with mis-matched voltage/impedance, or is it just how specific songs were originally recorded? ...

Hello everyone!  So the wire is loose and goes in and out in my left earphone,and since I do not have any skills with soldering, I am will to pay someone who would like to fix my ER6i earphones!  I am looking for someone to fix the left side,and possibly reinforce both sides so that this does...

great thanks kouzelna!

Thanks for the info Kouzelna.  I will tell Sanjay about yours and other peoples findings, and will definitely request an amp to b tuned for low volume that will definitely save my ears :)  Unfortunately, I only have enough money to buy one amp, or else i would do the comparison between the two...

Thank for the review Kouzelna, after reading it, I am definitely getting the biosceincegeek cmoy amp to use with my sansa clip plus, and I'm upgrading from ER6i to ER4P/S.  I have two questions: Have you compared a cmoy amp configured for the ER4's to the one configured for the Beyerdynamic...