Rolls DU30b Audio Ducker Mic Preamp

Rolls DU30B — Audio Ducker with Microphone Preamp, 2 RCA Inputs for Music, and Microphone Pad Switch

The DU30B is a microphone preamp and background music processor. When an announcement is made into the microphone, the music is automatically “ducked” under the announcement, and then the music returns to its previous level. Perfect for use in restaurants and small clubs.

Features:

• Automatically ducks music under announcements
• Clean, quiet mic preamp
• Ideal for restaurants and small clubs

Specifications:

• Frequency Response: 20 Hz - 40 kHz
• Input Impedance: 100K Ohms unbalanced, 600 Ohms balanced
• THD + Noise: <0.03% typical
• Noise Floor: -78 dB
• Indicators: Power LED
• Input/Output Jacks: XLR balanced output, RCA unbalanced input/output
• Power: 12 - 16 VDC, 50mA, 5 x 1.2 mm DC Jack (Center Negative)
• Dimensions: 4" x 4" x 1.5"
• Weight: 1 lb. (0.5 kg)