Thanks for the advice. 30hz is clear and present with no clipping at full volume. I've been using a software EQ/amp for the Mac called Boom and it only has about 7 bands. With 100hz and under I can turn it up about 10db before it starts clipping. The XB500 will take more amping fine and won't...

Quote: Well, it's looks like it's working fine. I ran it off my MacBook Pro with the EQ flat and no amp. I tested my HD595, Monoprice headphones, and the XB500 as well. The HD595 had the least bass and started clipping before I could turn the volume past 70%. The bass was present with the...

I recently purchased the Pro 900 and have about 100 or so hours. For having the title of a basshead can, this sure has been a disappointment. The sharp highs have become more subtle but the bass impact just isn't there for me. Using the silver pads made some improvement, but not much. Without an...