POWER ACOUSTICS SONORISATION SC 404
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Manufacturer Information
Power Acoustics Sonorisation
https://www.sogetronic.fr
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A 4-Channel Format Designed for Modern Meetings and Fixed Installations
The SC 404 fits within the logic of multi-channel UHF conference systems: providing a structured speaking solution without cables on the tables, while maintaining simple operation for the user. With its 4 podiums and a standard 19-inch receiver, it targets configurations where a clear and repeatable setup is desired (meeting rooms, assemblies, councils, multipurpose rooms), without complicating the control room. The maximum number of 3 systems in the same room allows for extensions depending on the event size and speaker density.
Who Is It For and What Are Its Uses?
This wireless conference system is particularly suited for live events, conferences, board meetings, municipal councils, corporate meetings, and general assemblies. It is also suitable for fixed installations where a clean aesthetic (clear tables) and quick startup by non-technical staff are desired.
The gooseneck microphones promote natural speech capture with a stable pickup distance: the speaker talks facing the microphone, and the voice remains clear for the audience as well as for recording or broadcasting. Independent volume control per microphone helps harmonize levels when multiple people take turns, avoiding constant adjustments on the mixer.
Key Features: Ease of Use, Radio Stability, and Outputs Adapted for Sound Reinforcement
Automatic Scanning: Time-Saving at Setup
The SC 404 includes automatic channel scanning and automatic frequency scanning. This approach minimizes manual adjustments and facilitates preparation before speaking: it reduces the risk of configuration errors and speeds up commissioning, including when quick installation and teardown are required.
Infrared Synchronization and Pilot Tone: A More Controlled Link
Infrared frequency synchronization between the receiver and the calling station simplifies pairing. The presence of a pilot tone contributes to more coherent transmission, helping secure radio operation in event or institutional use where speech continuity is essential.
Mixing and Integration: From Multitrack to Global Output
On the audio integration side, the system offers 4 balanced XLR outputs : an advantage if you want to process each speaker separately (equalization, dynamics, track-by-track recording, routing to multiple zones). The balanced 6.35mm Jack "Mix" output provides a practical alternative to send a global mix to a powered speaker, recorder, or dedicated mixer input.
Technical specifications
| Category | Complete system | Capsule | static |
| Frequency range | 584 - 607 MHz | Conference system dimensions | 484 x 44 x 243 mm |
| Maximum number of systems in the same room | 3 | Conference system weight | 6.0 kg |
| Balanced audio output | 4 x XLR | Intercom base dimensions | 115 x 54 x 135 mm |
| "Mix" audio output | balanced 6.35mm Jack | Calling station base weight | 0.73 kg |
| Antenna connector | 4 BNC sockets and 4 antennas | Operating voltage | DC 12-18V |
Questions frequently asked
How many podium microphones are included with the POWER ACOUSTICS SONORISATION SC 404?
The system includes 4 wireless conference podium microphones and a 19-inch rackmount receiver.
Is it possible to use multiple UHF conference systems in the same room?
Up to 3 systems can operate in the same room. This limit allows the number of units to be expanded during meetings or assemblies.
What audio outputs are available on the receiver?
Four balanced XLR outputs allow each microphone to be accessed separately. A balanced 6.35 mm jack Mix output is provided to send the overall mix to a mixing console, powered speaker, or recorder. Each microphone has an independent volume control.
Is frequency scanning automatic?
Automatic channel and frequency scanning is built in, with infrared synchronization between the receiver and the call station.
What frequency band does this conference system use?
The UHF transmission operates in the 584 to 607 MHz range. The receiver has 4 BNC sockets and comes with 4 antennas.
