[oddball5733]

stuck in between....
I suppose the question to ask is how do each of them sound?
How is the noise isolation on each....I have noisy roomates.

-thanks

 

[musicmind]

Check Clieos and Frederik's reviews of both, their impressions are very useful.

 

[shigzeo]

i have owned the um2 and heard briefly the sa6. the um2 is fun maybe for intimate music but not as an excellent impacting phone as the sa6 is. however, the um2 is far more comfortable