[renergy]

I'm picking up a used pair of 555's and am considering doing the foam mod. My only question is why Sennheiser put a large piece of foam in the first place that does nothing but make it sound worse? Does the foam have some other purpose that just doesn't work right or something?

 

[liamstrain]

Some have speculated that it was an inexpensive way to make the 595 sound better than the 555... 
 
I'm sure I don't know the truth of it. It may be that they had some good reason for it, but it does not seem to degrade the sound any when removed. 

 

[renergy]

I'd love to get more info on this. Frankly. I don't want to spend $500 on Sennheiser phones if their company is pulling cheap tactics like this. It just makes me lose faith in them as a higher end company. I can't get a firm answer at all one way or another though. I guess I could just call Senn and ask, but I kind of doubt they're going to tell me "yeah, we put some foam in there so we could charge another $100 for the 595's".

 

[liamstrain]

*shrug*
 
As I said, they may well have had a good reason. They are fantastic headphones regardless.