The Behringer Xenyx CONTROL1USB Studio Control and Communication Center gives you ultimate control! The CONTROL1USB puts Master Volume, Talkback, Source selection and Monitor control right at your fingertips. Choose from up to three sets of active studio monitors and four different stereo input sources to create powerful, custom monitor mixes. Plus, the CONTROL1USB’s built-in Talkback mic lets you communicate directly with the talent.
Source: Behringer CONTROL2USB High-End Studio Control with VCA Control and USB Audio Interface