Rolls DU30b Mic Preamp Audio Ducker

ITEM #: DU30B MFG #: DU30B

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Availability: Typically Ships in 3-10 Days
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    DU30B - Overview

    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 the microphone input - configuredOFF from the factory.
      • Stereo RCA jacks for connecting to a source different from the Mic In as the mastersignal.
      • Stereo RCA jack for connection to the stereo signal source to be "ducked" such asa tuner, CD player or cassette player.
      • Stereo RCA jacks for connection to the system's amplifiers. 12 VDC: Power input. Connect to the enclosed Rolls PS27 ACadapter.
    • Specifications:

      • Input Impedance: 100K Ohms unbalanced, 600 Ohms balanced
      • Frequency Response: 20 Hz - 40 kHz
      • THD + Noise: < 0.03% typical
      • Noise Floor: -78 dB
      • Indicators: Power LED
      • Input/Output jacks: XLR balanced Input, RCA unbalanced input and output
      • Size: 4" x 4" x 1.5"
      • Weight: 1 lb. (.5 kg)
      • Power: 12 - 16 VDC 50mA, 5 x 1.2 mm DC Jack - Center Negative
    • GTIN:


    DU30B - Required Accessories

      California Residents:
      Cancer and Reproductive Harm -