Amazing Interior Design » 10 Awesome Ideas to Repurpose Old Stuff and Giving Them a New Life.
Comida. Office Sound System Lets You Skip Tracks By Whipping Something At this Poster. I had an office and right outside I had two undergrads who worked for me.
We rigged up a simple audio source selector, the cheap plastic kind and put that on my desk. The source selector had each student's sound coming to it, my computers sound, and a extra audio input for a smart phone/ipod. The output went to speakers back outside of my office for the students to listen, and a second output headphone jack was used for my computer speakers. To save on mess cabling we spliced an ethernet cable using the twisted pairs to carry the two sources coming into my office, and one output all in a single cable.