Roland AeroCaster Livestreaming System - Manual (Page 17)

Connecting the Equipment
17
Connecting Headphones or a Headset
1. Connect a pair of headphones or a headset to the PHONES/HEADSET jack.
Headphones: use a 3.5 mm stereo mini plug
Headset: use a 3.5 mm CTIA-type stereo mini plug (four-pole)
2. Use the [PHONES/HEADSET] knob to adjust the volume of the headphones or headset.
The onboard mic is disabled while a headset is connected.