1 Channel XLR Audio Fiber Converter Unidirectional Balanced Audio Over Fiber Up To 20km
In long-distance audio transmission scenarios, maintaining signal integrity is a major challenge. Traditional XLR cables are limited in range and are prone to interference from electromagnetic and radio-frequency sources.
This 1-channel unidirectional XLR Audio Fiber Converter addresses these challenges by converting analog audio signals into optical signals for transmission over fiber. The result is ultra-stable, interference-free audio transmission over distances up to 20km.
With its plug-and-play design, the device requires no configuration or technical setup. High-quality ADC conversion ensures accurate audio reproduction with minimal distortion and noise.
Its compact and rugged industrial design makes it suitable for both fixed installations and mobile setups, including stage performances, broadcasting, and professional AV systems.
Product Overview
The 1-channel unidirectional XLR Audio Fiber Converter is designed for professional audio transmission over long distances. It converts a single channel of balanced analog XLR audio into an optical signal for transmission via fiber optic cable.
This solution ensures stable, noise-free, and high-fidelity audio delivery, making it ideal for broadcast systems, live events, recording studios, and security audio applications.
By using fiber optics instead of traditional copper cables, it eliminates electromagnetic interference and signal degradation, ensuring reliable performance even in complex environments.
Key Features
Single Channel Unidirectional Transmission
Designed for 1-channel audio transmission in a single direction
Long Distance Transmission (Up to 20km)
Ideal for large-scale and remote audio deployment
High-Fidelity Audio Performance
Low distortion and high signal clarity
Strong Anti-Interference Capability
Immune to EMI/RFI via fiber optic transmission
Plug & Play Operation
No software or configuration required
Compact & Durable Design
Industrial-grade metal housing for long-term reliability
Wide Application Compatibility
Suitable for broadcast, live events, studios, and surveillance
Typical Applications
- TV Broadcast Studios
- Radio Stations
- Live Concert Systems
- Stadium Sound Systems
- Conference Centers
- Churches & Auditoriums
- Theater Productions
- Recording Studios
- Government Communication Centers
- Campus Audio Networks
- Industrial Communication Systems
- Remote Audio Monitoring
Specifications
| Category | Specification |
| Audio Channels | 1 Channel (Unidirectional) |
| Audio Interface | XLR (Balanced Input or Output) |
| Signal Type | Analog Audio (Balanced) |
| Fiber Connector | FC / SC / ST (Optional) |
| Transmission Distance | 0–20km (Single-mode fiber) |
| Sampling Rate | 48kHz / 96kHz |
| Bit Depth | 16-bit / 24-bit |
| Frequency Response | 20Hz – 20kHz |
| Signal-to-Noise Ratio (SNR) | ≥ 90dB |
| Total Harmonic Distortion (THD) | ≤ 0.01% |
| Latency | < 1ms |
| Power Supply | DC 5V / 12V |
| Operating Temperature | -20°C to +70°C |
| Housing Material | Aluminum Alloy |
| Installation | Desktop |
Application

Package Contents
- 1 × 1-Channel XLR Audio Fiber Optic Transmitter
- 1 × 1-Channel XLR Audio Fiber Optic Receiver
- 2 × Power Adapters / Power Cords
- 1 × User Manual
Audio Fiber Converter Unidirectional
,1 Channel Audio Fiber Converter
,XLR Audio Fiber Converter
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