I thought sure there would be something in the Trimble (formerly Google) 3D Warehouse (even though it would be in SketchUp format and need conversion), but I don't see anything.

Short of finding one, I'd try finding an image of the front panel and applying it a scaled cube. Maybe you could use displacement and/or some primitives for knobs, switches etc. depends on how closeup you need. You might be able to do something similar for a mike and maybe there's a coiled cord type thing incleded in something in freestuff. You could use the free EasyPose tube as well. If you have some pics, someone here can probably whip up one for you if it's not too detailed.

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken