Originally Posted by MikeAKGGuy
Most wireless headphone transmitters run on ~12 V dc, so you can find a battery that will put out sufficient voltage and current to run them. A car battery is a little low on the voltage side, but has tons of current! You can also hook some "D" cells in parallel that should work too.
Hmm... Sounds like a little project there...=/ I imagine the D cells would work. I need something that isn't huge/heavy. And while I do have some know-how, could you give me a general idea on what I'd need to make a safe version of the D cell setup?