JBL calls it the SMART Tx, and it's a little wireless transmitter that makes it easy to stream to your headphones from pretty much any audio source, and to share that audio with others ...

On the receiving end there is no more than the LDR, a 1.5V power source, and a headphone jack. The transmitter is not much more complicated than that. It includes an audio output transformer which ...

JBL announced a pair of premium headphones at CES today that can be purchased with an optional transmitter that allows the Tour One M3 to be used wirelessly with audio sources like a plane’s in ...