I've had my ER-4P's since 2005. I've used them nightly since I bought them and they have been great the whole time.

ok lets see... Hiss is audible when unit is turned on with no source attached at all. Regaurdless of music playing or not. Hiss is still present when attach via lineout to 4G iPod. I also noticed with the line out there is a slight buzz when the iPod is accessing the harddrive and the buzz...

I just recived the LDM+ from Ebay and I noticed that there is an audile hiss from the unit through my ER-4P's even with no sorce hooked up. what could cause this and would the unit gain unit help this. Bass sounds great but I cant stand the hiss that gets worse as the volume is increased! Anyone...

I will definity have to look into a Xin when my wallet recovers! And for the record the Rat-Shack was a last minute thought!! LOL

Man oh man you can add me! black ER-4P's rule!!!

Well I took the plung and am now in the world of the audiophile! I bought some ER-4P's to step up from my sony EX-51's and I have got to say, man you all are not joking when you talk about detail and the fact that the jump from a 40 dollar earphone to a reference level IEM is huge! I found...