The 8-channel bidirectional XLR audio fiber extender is engineered for mission-critical audio applications requiring long-distance, high-fidelity transmission without signal degradation. The system converts balanced analog XLR audio signals into optical signals and transmits them over fiber optic cable, effectively eliminating electromagnetic interference (EMI), radio frequency interference (RFI), ground loops, and signal attenuation commonly found in copper cable installations.
Unlike conventional audio cabling, the fiber optic architecture ensures pristine audio quality across distances up to 20km while maintaining excellent channel isolation and extremely low distortion. The bidirectional design allows simultaneous transmission and reception of 8 independent audio channels, making it ideal for stage-to-control-room communications, broadcast production facilities, audio distribution systems, and inter-building audio transport.
Housed in a robust 1U 19-inch rack-mount chassis, the system is designed for continuous operation in demanding professional environments. Front-panel status indicators provide real-time monitoring of power and optical link status, while the plug-and-play design enables fast deployment without software configuration.
The device supports professional balanced XLR interfaces and can seamlessly integrate with:
Audio Mixing Consoles
Digital Audio Workstations
Broadcast Systems
Stage Boxes
Intercom Systems
Audio Processors
Amplifiers
Recording Equipment
Conference Systems
Public Address Systems
Whether used in live sound reinforcement, sports arenas, television studios, houses of worship, or large-scale commercial installations, the system provides reliable, interference-free audio transport with exceptional signal integrity.
Key Features
8 Channels Bidirectional Audio Transmission
Supports simultaneous transmission and reception of 8 independent balanced XLR audio channels.
Long-Distance Fiber Transmission
Supports up to 20km over single-mode optical fiber without audio degradation.
High-Fidelity Audio Quality
Preserves original audio integrity with ultra-low noise and distortion.
Full-Duplex Communication
Simultaneous send and receive capability for real-time audio exchange.
Optical isolation removes ground loop noise common in copper systems.
Professional XLR Interfaces
Compatible with industry-standard balanced XLR audio equipment.
Plug-and-Play Operation
No software, drivers, or configuration required.
Industrial Reliability
Designed for 24/7 continuous operation.
1U Rack Mount Design
Fits standard 19-inch equipment racks.
LED Status Indicators
Power and fiber link monitoring.
Wide Application Compatibility
Works with mixers, amplifiers, DSP processors, stage equipment, and broadcast systems.
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
Technical Specifications
Item
Specification
Product Type
8-Channel Bidirectional XLR Audio Fiber Extender
Audio Direction
Bidirectional (Full Duplex)
Audio Channels
8 TX + 8 RX
Audio Interface
Balanced XLR Female / Male
Audio Signal Type
Analog Balanced Audio
Input Impedance
600Ω Balanced
Output Impedance
600Ω Balanced
Frequency Response
20Hz ~ 20kHz
Dynamic Range
≥110dB
Signal-to-Noise Ratio
≥100dB
THD+N
≤0.01%
Crosstalk
≤-90dB
Channel Isolation
≥90dB
Audio Sampling
High Fidelity Analog Transmission
Latency
<1ms
Fiber Type
Single Mode Fiber
Optical Connector
FC / SC / ST / LC Optional
Fiber Wavelength
1310nm / 1550nm
Optical Budget
20dB
Transmission Distance
Up to 20km
Optical Transmission
Full Duplex
Fiber Quantity
1 Core Fiber
Power Supply
AC100-240V, 50/60Hz
Power Consumption
≤15W
Status Indicators
Power, Fiber Link, Data Activity
Mounting Type
19-inch Rack Mount
Rack Height
1U
Chassis Material
Metal Steel Housing
Cooling Method
Natural Air Cooling
Operating Temperature
-20°C ~ +70°C
Storage Temperature
-40°C ~ +85°C
Humidity
0~95% Non-Condensing
ESD Protection
IEC61000-4-2
Surge Protection
IEC61000-4-5
MTBF
>100,000 Hours
Dimensions
483 × 220 × 44 mm
Weight
Approx. 3.5kg
Advantages Over Traditional Copper Audio Cabling
✓ Up to 20km transmission distance
✓ No electromagnetic interference
✓ No signal attenuation over long runs
✓ No ground loop noise
✓ Lightweight fiber cabling
✓ Higher system reliability
✓ Lower maintenance costs
✓ Ideal for professional AV and broadcast applications
✓ Supports mission-critical audio infrastructure
✓ Crystal-clear studio-quality audio transmission over fiber optic networks
This product is particularly suitable for broadcast centers, TV stations, large venues, stadiums, churches, theaters, live events, conference facilities, and professional audio distribution networks requiring 8-channel full-duplex XLR audio transmission over long-distance fiber links.