The 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. Automatically ducks music under announcements. Perfect for restaurants and small clubs. Clean, Quiet Mic Preamp. 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-". Power: 12 - 16 VDC 50mA, 5 x 1.2 mm DC Jack - Center Negative.
The 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
