Then I realized what was different. Clearly was repackaged from a return Youll likely need to do some tinkering to tighten and position it how you like, but in the end it is sturdy and has great adjustability for a regular sized desk. ???) Tried second head -- it did work, after 5-6 passes on the same section. So read instructions, and be prepared for tight fit until they stretch out ! It is a tremendous bench for TALL people, but the bench hinge points for incline, decline, length of butt seat pad from knee to back too long etc. It is hard to explain, but basically the sound card is like a rock and it makes cable management a little weird because you dont quite get the freedom that a long cable should bring because of the sound card being in the middle like that. It fit great everywhere. Sound quality perception is a very personal experience. I loved my Crocs but I kept having to replace them as the soles would constantly wear a hole in certain spots.