Rolls DU30b Mic Preamp Audio Ducker

The Rolls DU30b is a microphone preamp and background music preamp. When an announcement is made into the microphone, the music is automatically "ducked" under the announcement. Then the music is brought back to it's previous level. Features: Automatically ducks music under announcements Perfect for restaurants and small clubs Clean, Quiet Mic Preamp Female XLR jack for connection to a dynamic or condenser paging microphone. Jumper for engaging the +12 volt phantom power to...