The transmitters also have a 3.5mm jack so that an external Lavalier microphone can be used for a closer sound. A Lavalier mic can be clipped on a jacket lapel and is much easier to hide.

Because the transmitters are big, they aren’t all that easy to hide and there’s no input for a lavalier mic. Fortunately, the magnetic discs can be placed under a shirt or top and then the ...