Office Setup Source Question   Situation: I’m considering source options for my office setup, and I’d appreciate your input.   Presently I’m using my iPhone 4G analog out to drive the Schiit Lyr amp and HiFiMAN HE-500 cans.  Objectives: I’d like to move to an external DAC...

I did search for this information, but didn’t find it. I probably didn’t use the best search terms, but I didn’t know what else to do.   I just purchased the Schiit Valhalla and Sen HD 650 for my office at work.  My question pertains to how loud the cans are for others in the room.  At...