DU30b Mic Preamp Audio Ducker

Request Pricing




 DU30b Mic Preamp Audio Ducker


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



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