![](https://www.radialeng.com/wp-content/uploads/2018/04/Radial-Presenter-top-768x699.jpg)
Mic In
Controls the level of the XLR mic input.
Low Cut
3-position switch rolls excessive low frequencies.
EQ
Low and High controls allow you to adjust the tone of the microphone.
Audio Program
Controls the level of the USB audio input and the 3.5mm input.
Power LED
Illuminates when the Presenter is receiving power via USB.
3.5mm Program Input
Stereo TRS input allows you to playback audio from a smartphone or tablet.
![](https://www.radialeng.com/wp-content/uploads/2018/04/presenter-panel-1-768x496.jpg)
USB
Provides power for the Presenter and allows playback of high quality audio from a laptop.
Mono
Sums the left and right outputs to mono.
Main Outputs
Balanced XLR line outputs connect directly to powered PA speakers or mixing console.
Ground Lift
Ground lift switch disconnects pin-1 at the XLR outputs to remove buzz and hum.
48V
Recessed switch engages phantom power for condenser microphones.
Mic Input
Balanced XLR input to connect a microphone.