The Fonestar SCI-750 is a high-capacity wireless conference system control unit that combines the flexibility of a wireless microphone setup with advanced conference-system functionality. Ideal for meeting rooms, conference halls, councils, boards and multi-participant environments — the SCI-750 supports up to 256 microphones in total (with a selectable maximum of 5 active at any time), allowing complete flexibility and scalability for large meetings or events.
Built into a 2U 19" rack-mount chassis, the SCI-750 houses a professional wireless receiver, LCD status display, and a USB recorder/player for recording sessions. The durable construction includes four detachable antennas and flexible output connections (balanced XLR and unbalanced 6.3 mm jack), making it easy to integrate into existing PA or AV setups.
| Specification | Details |
|---|---|
| Supported microphones (total) | Up to 256 |
| Max simultaneous active microphones | 5 (selectable) |
| UHF frequency range | 610 – 665 MHz |
| Audio frequency response | 50 Hz – 15,000 Hz |
| Outputs | 1 × Balanced line (XLR, 12 kΩ / 200 mV) 1 × Unbalanced line (6.3 mm jack, 12 kΩ / 200 mV) |
| Power Supply | 12–15 V DC, 7 W |
| Dimensions (WxHxD) | 483 × 89 × 380 mm (2U rack) |
| Weight | 7.0 kg |
| Included accessories | 4 antennas, 6.3 mm mono jack cable |
The Fonestar SCI-750 offers a scalable, wireless solution for conference rooms, council chambers, and multi-user meeting spaces. The built-in USB recorder enables reliable recording of sessions for documentation, while the priority functionality ensures chairperson control. Its rack-mountable design, versatile outputs, and broad UHF frequency range make it suitable for integration into virtually any existing PA or AV system.
Q: How many microphones can the SCI-750 support?
A: The system supports up to 256 microphones in total, with up to 5 active at any one time.
Q: Does it allow a chairperson to override delegates?
A: Yes — when the chairperson mic is active, delegate microphones are automatically cut off, enforcing speaking order.
Q: What outputs does it provide for connection to a PA system?
A: It offers one balanced XLR output and one unbalanced 6.3 mm jack output.
Q: Is it rack-mountable?
A: Yes — the unit is 2U and fits standard 19" racks.