Your not suppose to put the microphone on the trombone you are
suppose to put it in front of it trust me I have smart music.
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I think the answer you are looking for is MICROPHONE JACK PLUG,
meaning the plug/connection that fits into an amplifier or any
output socket from the microphone itself.
Hope this helps
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A microphone jack.
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It plugs into the computers Microphone jack. Make sure you don't
plug it into the Headphone jack.