Introducing the DU30b - your ultimate microphone preamp and background music controller. With its advanced features, this versatile device effortlessly handles announcements made through the microphone by smoothly "ducking" the background music, ensuring crystal-clear delivery. Once the announcement is over, the music seamlessly returns to its previous level, offering a seamless audio experience like never before. Elevate your audio setup with the DU30b and enjoy impeccable sound management for all your needs.

• 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

• Automatically ducks music under announcements
• Perfect for restaurants and small clubs
• * Clean, Quiet Mic Preamp