My plan is to modify my ATH-M50's to have a detachable cable and the option to connect wirelessly with bluetooth (microphone included)   I'd like to know what kind of 3.5mm jack people have had success with for the detachable cable mod.   Also, what methods has anyone approached for...

Do the m50's really "open up" after many hours of use?  Rock music does not sound well with them so far (after 6-8 hours of use).  The lows bleed over into the mids and present a messy sound.  Electronic music sounds good though.  The bass with hip-hop is good and clean.  Rock music and also...

I would also like to point out that the m50's have poor sound isolation compared to the srh440's and srh840's.  Has anyone experimented with alternative pads (ie. srh840 pads or dt770 pads) on the m50's for improvements?

I agree with the lack of soundstage with the 440's but I wouldn't go as far as to say that they sound congested.This could probably be improved with some minor modifications.    The m50's sound more congested. I think a better opinion would be that I don't think the 840's are worth nearly $100...

I'm new to headfi and this is my first post, but I'm not new to the audiophile world.  I just don't spend much time on forums.  I wanted to purchase some headphones under $200 for a good listening pleasure (not using for recording).   I know that there are a lot of threads about both of...