Oh, one other possible suggestion you might be interested in is the miniDSP headphone amps.
What they add is the ability to EQ to adjust for your headphones and personal taste. One way you could use this might be to help you listen to different aspects of a recording.
What they add is the ability to EQ to adjust for your headphones and personal taste. One way you could use this might be to help you listen to different aspects of a recording.