The MMU 3100 master unit provides complete control for a conference system accommodating up to 80 microphone kits. It features input with volume control and voice equalization, additional universal input via XLR and terminal block, and phantom power for microphones. The unit offers input/output for external recorder/player systems with dedicated controls and EQ, plus support for teleconferencing and broadcasting systems. An integrated 80-watt amplifier powers both the console speaker and constant voltage speaker outputs. A second MMU 3100 can be cascaded to extend capacity to 160 microphones. With flexible input/output configurations, built-in processing, and robust protection features, it is an ideal solution for scalable conference setups.
Features
Input with volume control and voice equalization to connect up to 80 microphone kits
Additional universal input on XLR and terminal block
Phantom power support
Input/output for external recorder/player with dedicated PLAY/REC buttons, LED indicators, volume control, and equalizer
Input/output for teleconferencing system
Output for broadcasting and recording systems
Built-in power amplifier for console speaker with volume control
80-watt integrated amplifier with volume control for constant voltage speakers
Expandable to 160 microphone kits by cascading two MMU 3100 units
Specifications
| Integrated amplifier | Yes |
| Max number of consoles | 80 |
| Number of console buses | 1 |
| Max number of connected units | 2 |
| Amplifier class | D |
| Number of channels | 1 |
| Output power @ 100 V | 160 W RMS |
| Frequency response (-3 dB) | 50 Hz ÷ 18 kHz |
| Signal/Noise Ratio (A-weighted) | >80 dB |
| Distortion (THD+N) @ 1 kHz | <1% |
| Total number of inputs | 7 |
| Balanced inputs | 3 |
| Unbalanced inputs | 5 |
| Mono inputs | 7 |
| Line inputs | 2 |
| Line connectors | RCA |
| Mic + line inputs | 4 |
| Mic + line connectors | Euroblock, XLR |
| Phantom power for mic + line | 32 V DC |
| VOX | Yes |
| Paging inputs | 1 |
| Paging connectors | RJ45 |
| Paging command | Contact |
| General Purpose Inputs (GPI) | 1 |
| Signal output number | 3 |
| Signal output connectors | RCA |
| Voltage output connectors | Euroblock |
| Tone settings | Yes |
| High-pass filter | 0 Hz |
| Configuration | DIP switch, Front panel |
| Cooling system | Convection |
| Short circuit protection | Yes |
| Thermal protection | Yes |
| DC protection | Yes |
| Fuses | Yes |
| Operating voltage | 220-240/115 V~ 50/60Hz |
| Voltage adjustment | Internal |
| Power consumption (max) | 350 W |
| Safety compliance | CE compliant |
| Cabinet/case material | Metal |
| Color | Black |
| Rack mounting | 19″, 2U |
| Height | 88 mm / 3.46 inches |
| Width | 442 mm / 17.4 inches |
| Depth | 230 mm / 9.06 inches |
| Weight | 5.2 kg / 11.46 lbs |
| Package height | 200 mm / 7.87 inches |
| Package width | 500 mm / 19.69 inches |
| Package depth | 330 mm / 12.99 inches |
| Package weight | 6.6 kg / 14.55 lbs |
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