I'm going to keep trying with the RE-400s for a bit longer.   In the meanwhile I just want to say thank you to everyone on here. This was my first post on head-fi and you guys have been amazingly helpful. What a great community!

  I tried these and they are ok. I have to insert them slighly deeper to get a good seal, but they sound ok. I find them rather uncomfortable though. With the medium tips, I can get a good seal and they do have a reasonable amount of bass, but the fit is so delicate and I keep having to...

  I tried the smaller tips and putting them deeper but couldn't get a good seal. I'll keep experimenting, thank you.

  Thank you, some very good suggestions there.   I wear them the same way as the CX500s, very shallow using the medium tips. If I insert then any deeper I find pressure in my ear and they sound terrible. Maybe this is where I am going wrong?   The bass does sound ok with some tracks and not...

  Oddly, I actually felt they sounded better with Spotify than Apple Lossless through my iPhone.

  I hoped the neutrality would make them a decent choice for a wide range of music.

I just got a pair of RE-400s after 6 years with my trusty Sennheiser cx-500s. I've owned a low end pair of Shures (broke) and even some Monoprice 8320 (just don't fit me) but I always came back to the cx-500s.   After getting my RE--400s I must say I am disappointed. All the reviews were great...