The PM50s mixes a stereo or mono line-level Monitor signal with a mic level XLR microphone signal to a set of headphones or earphones.
It has a monitor level control, mic level control, mic pass through XLR jacks, two headphone output jacks, and a stereo TRS 1/4-in monitor input jack.
Possible users may be drummers who need to hear a click track, choir singers who need to hear themselves, etc.
The power adapter is included.

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