My ER4 cables finally gave way, the connection between the connector to the drivers and wires broke for the left side. I've been looking for aftermarket replacement cables, some looks pretty good, like APS, though slightly pricy. However I found this really interesting little gadget on ebay:  ...

I've got a question about the different power source of the voyager. Does using different source affect how it sounds?   Im not sure if it is me hearing things or not, but somehow when I use it outside with my ER4P/S, especially the S, I find that it gives me more fatigue on both flat and...

Recently I have got my hands on a set of Graham Slee Voyager after hearing how well it sounded with my ER4P on flat, and Im even more amazed at how nice it sounded with the ER4S. I didn't really like the S due to a gigantic lack of bass, but on contour it gave a nice amount of bass, just the way...

I am currently looking for a ER4P to S impedance adapter, I saw the official ER4P-24 on the Etymotic website. It looks tad bit pricy especially after shipping. I am wondering would other custom made 75 Ohm adapters specifically made to convert ER4P to ER4S will sound the same as the ER4P-24...

I have this weird problem with my pair of ER4. Albeit, its already years and years olds but this is one weird problem. The outer portion of the nozzle is starting to lose its grip! My tri flanges has tendency to slip when im taking the ER4 out of my ear, and even slipping out of the whole...