I'm planning a wedding for this fall and I need some recommendations for quality sound / djs, specifically in the Chicago area if possible. Alternately, suggestions on what to look for when hiring a wedding dj with respect to sound quality would be helpful. The audio setup in the last several...

I'm enjoying my recently acquired ultra micro stack at work, but the amp is clobbering my ER4S. I can't get the volume past 9 o'clock on the low gain. Can someone recommend a line level attenuator I can fit between the dac and amp? The Harrison Labs RCAs from HeadRoom work awesome in my home...

What's the general consensus on the lack of electrical safety certifications (UL, ETL, CSA, etc) on HP amps (and high-end audio components in general)? I've been looking for HP electronics for monitoring in office and studio environments which often require equipment be certified. Unfortunately...

I'm picking up a '06 Desktop with max amp/dac and am wondering if a BaseStation One PSU that I have can be used with it and how it will compare to the Astrodyne and DPS.

Are Headroom electronics certified by UL, ce or equivalent? I'd like to use my Supreme + BS1 in my office, however my employer requires that all electrical devices connected to the 110AC have UL certs. For the time being I'm using the wall wart (which has a UL marking) but I'd really like to use...