mic up
Upper Intermediate (B2)informal
To put a microphone on someone so they can be heard or recorded.
"The sound engineer miced up all the panellists before the debate began."
Hear it in context

tom and tubbo sing life by the sea live
TommyVODS · 111:44
Just turn your mic up.

Trump speaks to seniors in The Villages, FL on economic agenda
The Hill · 80:13
Turn the mic up, please.
TXi6WaKEzKA
· 70:57
Angle your mic up at just a tad.

Okay fine, I'll talk about these freaks.
The Drum Thing · 6:46
he actually knows how to mic up and like you get

She Came Asking to Let Go, She Left with a Love That Doesn't End | Coaching with Joe
Joe Hudson | Art of Accomplishment · 1:30
I need you to get the mic up towards your mouth.