You missed the whole point of silent disco. It's not just about receiving the music through headphones . Its about have multiple DJs playing on separate channel so you have a Choice of Music, then each DJs has a color associated with them that lights up in the headphone who everyone knows what channels you are listening to. A simple press of one button selects the channels. Since they have a short attention span its perfect for kids. When one group reacts you can see the flow changing via the LED lights on the Headphones. Trying to jury rig something won't get you the same results. Even for what I do I could have used my FM transmitter and had everyone use FM Headphones. It was not seamless and much more complicated on the users end.
You could still have multiple DJ’s, each DJ would create a unique stream. You wouldn’t get the different colors, but it would still allow the guests to switch DJ’s pretty easily... Just Tweet the links with each DJ’s link and name, and it’s just one click to change the stream (link).
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