Rolls DU30b XLR Balanced Input RCA Unbalanced I/O Microphone Preamplifier Audio Ducker
4.8 (56 items)
Limited Time Sale$59.95 cheaper than the new price!!
Free cash-on-delivery fees for purchases over $99
Product details
| Management number | 204369238 | Release Date | 2025/10/17 | List Price | $49.05 | Model Number | 204369238 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Rolls DU30b XLR Balanced Input RCA Unbalanced I/O Microphone Preamplifier 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.
Key Features
- Automatically ducks music under announcements
- Perfect for restaurants and small clubs
- Clean, Quiet Mic Preamp
Technical 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"
Weight: 1 lb. (.5 kg)
Power: 12 - 16 VDC 50mA, 5 x 1.2 mm DC Jack - Center Negative
Recording
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form