Deer horns?! Unless she's 'into' 'rustic chic' and guns as well, that could be a disaster....and in that scenario, she might pull the trigger, literally.
C'mon, guys....a drawer. Pad the bottom. Or behind a door in a cabinet that will have a high SAF. If 'the system' is in a 'common space', give the spouse a break. She's already tolerating that, and headphones (especially the more esoteric varieties) start to look like something that's used for a version of mind control.
One in view, used frequently, is tolerable. Buy a nice stand in a material that 'goes with' the decor. Engage her with the selection options. She may respond in a fashion you might enjoy, but don't count on that...;)
If you've got mountz' collection, you really should look into creating a 'man cave' for all of it, wave the white flag, and sue for peace.
Just a friendly suggestion...*S*