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.
Warranty: 12 Months
Features
- Automatically ducks music under announcements
- Perfect for restaurants and small clubs
- Clean, Quiet Mic Preamp
Specifications
Frequency Response: 20 Hz – 40 kHz
Input Impedance 100KΩ unbalanced, 600 Ω balanced
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
Downloads
Click here to download the Rolls DU30b manual