Description
Balanced XLR Audio to Fiber Converter Bi-directional: Seamless Analog Audio over Long Distances
The Balanced XLR Audio to Fiber Converter Bi-directional is a professional-grade device designed to transmit high-quality balanced analog audio signals over long distances using fiber optic cables. This converter is ideal for demanding environments such as broadcasting stations, concert halls, theaters, recording studios, and large venue audio systems where signal integrity, noise immunity, and reliability are critical.
With bi-directional functionality, this converter can transmit and receive audio simultaneously across a single fiber cable, making it a compact and efficient solution for full-duplex communication. Designed with balanced XLR inputs and outputs, it ensures minimal interference and delivers pristine audio quality with exceptional dynamic range.
Key Features
1. High-Fidelity Balanced Audio Transmission
The converter supports balanced XLR audio inputs and outputs, which help eliminate ground loop issues and reduce electromagnetic interference (EMI). This allows for clear, noise-free audio reproduction even in electrically noisy environments or over long distances.
2. Bi-directional Audio over Fiber
Unlike one-way transmitters, this model supports bi-directional (two-way) audio transmission through a single fiber optic cable. It allows users to send and receive analog audio simultaneously, making it perfect for intercom systems, studio monitoring setups, and other real-time communication applications.
3. Long-Distance Fiber Transmission
Utilizing single-mode or multi-mode fiber, this converter enables audio signal transmission over distances of up to 20 km (single-mode) or 2 km (multi-mode) without signal degradation. Fiber optics eliminate the limitations of copper cabling in distance, weight, and signal quality.
4. Plug-and-Play Operation
No complex configuration or software is required. The unit operates on a plug-and-play basis, making installation quick and hassle-free. Simply connect the XLR audio sources, link the devices via fiber cable, and power them on.
5. Rugged and Compact Design
Housed in a durable metal casing, the converter is built to endure harsh professional environments. Its compact size allows for easy rack-mounting or portable use for mobile AV setups, OB vans, or temporary event systems.
6. LED Status Indicators
Integrated LED indicators provide clear status updates on power, signal presence, and fiber link status, allowing for quick troubleshooting and system monitoring during live operations.
Applications
1. Broadcast and Studio Installations
Ideal for transmitting analog audio signals between control rooms and remote production areas, this device ensures pristine audio quality without latency or noise—crucial in professional recording and live broadcasting.
2. Live Sound and Event Production
Used in large venues or open-air concerts, this converter enables secure audio transmission between the stage and the sound console, free from hums, RF interference, or signal drops.
3. Theater and Performing Arts
In environments where clean, reliable audio is essential, this device transmits uncompressed analog signals to and from FOH (Front of House), backstage communication panels, and stage monitoring systems.
4. Government and Military Communications
With high immunity to interference and signal loss, the converter is suitable for secure installations in defense communication systems, command centers, or surveillance setups.
Technical Specifications
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Audio Input/Output: 1 or 2 Balanced XLR Channels (bi-directional)
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Input Impedance: 600Ω (typical)
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Frequency Response: 20 Hz – 20 kHz (±0.5 dB)
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Total Harmonic Distortion (THD): < 0.01%
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Signal-to-Noise Ratio: ≥ 90 dB
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Fiber Type: Single-mode or Multi-mode
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Wavelength: 1310 nm / 1550 nm
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Transmission Distance: Up to 20 km (single-mode), 2 km (multi-mode)
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Connector Type: SC/FC/ST (customizable)
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Power Supply: 5V/12V DC
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Operating Temperature: -10°C to +60°C
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Mounting: Desktop, rack-mount, or wall-mount options
Why Choose Balanced XLR Audio to Fiber Converter Bi-directional?
✅ High-Quality Analog Audio – Transmit and receive balanced signals without interference.
✅ Long-Distance Communication – Fiber transmission up to 20 km with zero loss.
✅ Full Duplex Capability – Simultaneous send/receive via single fiber link.
✅ Plug-and-Play Simplicity – No software or driver required.
✅ Robust Build – Suitable for demanding AV and professional environments.
✅ Versatile Applications – From broadcast to concerts, and military to security.
Conclusion
The Balanced XLR Audio to Fiber Converter Bi-directional is the perfect solution for professional audio engineers, AV integrators, and system designers who need dependable, high-fidelity audio transmission over fiber. Offering interference-free, long-distance communication with bi-directional functionality, this converter simplifies complex audio routing while maintaining studio-grade sound quality. Whether in fixed installations or mobile setups, this device delivers unmatched performance, flexibility, and durability.
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