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This is a simple switching unit I built to provide the ability to listen to three different radios with a single pair of headphones. You can listen to one receiver in one ear and another receiver in the other ear, or both receivers in both ears, or all three receivers at the same time. Inputs to the unit can be from the headphone or external speaker jack of each radio. Switiches are simple, push on, push off pushbutton switches. Mono 3.5" jacks are used for the inputs, and a 1/4" stereo jack is used for the output. The unit does not provide isolation from each receiver, but does provide decent results. |
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