Radial Engineering STUDIOQ Talkback Interface w/ Built-In MicForget screaming through the door and using wild hand gestures to tell the drummer to quiet down on the next take; Radial Engineering's Studio Q Talk Back Interface with Built In Mic is a simple, compact system which makes communication between the artist and engineer producer convenient in the recording studio. The Q has an onboard mic for saving that SM57 for micing the snare, or an XLR input for a tabletop mic that makes you look more producer y;