Hmm, airline audio=not too bad...

[Jahn]

First was the D-25 silver version used on the airlines. It might have been tweaked to drown out airplane ambient noise? Well here are some Senn HD25-SP on Ebay from British Airways:

http://cgi.ebay.co.uk/ws/eBayISAPI.d...ADME:B:WN:UK:1

"As used on the Concorde." Eek. I wonder if they are voiced any different than stock... ah well!

 

[neueziel]

Don't fly United, my MX500's sounded better than what they offered.