I have a headset with an integrated microphone. It has only one jack cable but fortunatly came with a splitter (like this one here) to have two 3.5mm jacks, one for the stereo audio going to the headset, and one for the mono mic signal out of the headset. I want to use it to monitor a 6.3 mm jack 1/4 inch stereo jack output from my mixer. Will leaving the mic (pink/red) cable unconnected lead to interferences. If so, what can I do to prevent them ? thanks

  • the splitter you are showing has two stereo jacks there - one for audio but the mic should be mono unless the signal is split to L/R?
    – Mark
    Dec 6 '18 at 1:54

Since the mic jack isn't connected to anything on the other end it shouldn't present a problem. Just the same, I'd cover it with a piece of electric tape to avoid any confusion about which to use.

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