What are the best IEM's under or around $30, with an emphasis on isolation?   Thanks

My IEM's always seem to develop faulty connections within a couple months of usage and I always lose sound in one channel.  I don't know why. I always get IEM's with good build quality.I store them carefully and I don't wrap them around anything or stuff like that. When I use them, they are...

My GR02 BE's broke for the second time. It's been around 3 months since I had them replaced when they broke for the first time and it's pretty annoying. By broke, I mean that no sound comes out of one side. I use them all throughout the day while walking around and stuff but I'm still careful...

About a month ago I did a lot of research and purchased the Vsonic Gr02 bass editions. I ordered them because of what I read about their build quality and sound quality. When i got them I was very impressed, But now after a month of use, the left side is staticky when I'm using them while moving...

I listen to a lot of music on my 16gb iPhone 4 and I want to save some space. Most of my music is 320 kbps MP3's although some is 256 kbps and 192 kbps. I currently have 1150 songs that take up 7.6gb of space.  Which format do I use to save space and keep sound quality, and how can I do that? 

I can't seem to find the VSonic GR02 Bass Edition's anywhere. I found the VSonic GR02 Pro II's on eBay but not the Bass Editions. Is there a significant difference? Where can I buy the VSonic GR02 Bass Edition's?

I need new in ear headphones and I need some recommendations. Something near or under $100.   Number 1 priority is durability, I’ve been through like 3 pairs of skullcandy’s and my 2nd pair of Klipsch S4i’s just broke. I stuff my headphones in my pockets so they need to be durable...