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4CH Audio XLR Fiber Extender Unidirectional Analog Audio to Optical Converter
The 4-channel unidirectional XLR Audio Fiber Extender is engineered for professional multi-channel audio transmission over long distances. It converts four independent balanced analog XLR audio signals into optical signals, enabling stable and interference-free transmission through a single fiber optic cable.
Compared with traditional copper-based XLR cabling, which suffers from signal attenuation and electromagnetic interference over long distances, this fiber optic solution ensures pristine audio quality even across distances up to 20km.
Each channel operates independently, ensuring excellent channel separation and consistent signal integrity. The device is equipped with high-performance ADC processing to preserve audio clarity, dynamic range, and minimize distortion.
Designed for ease of use, the system supports true plug-and-play operation with no configuration required. Its rugged metal housing ensures durability in demanding environments such as broadcasting stations, live stage events, recording studios, conference systems, and security installations.
This extender is particularly suitable for applications requiring reliable multi-channel audio transport with minimal latency and maximum stability.
Key Features
4 Channel Audio Transmission
Supports simultaneous transmission of 4 independent XLR audio channels
Long Distance Transmission (Up to 20km)
Ideal for large venues and long-range deployments
High-Fidelity Audio Quality
Low distortion, high dynamic range, and clear sound reproduction
Excellent Channel Isolation
Prevents crosstalk between channels for professional audio performance
Strong Anti-Interference Capability
Immune to EMI/RFI interference via fiber transmission
Plug & Play Operation
No drivers or configuration required
Ultra-Low Latency
Ensures real-time audio transmission
Industrial-Grade Design
Durable aluminum housing for harsh environments
Wide Compatibility
Compatible with mixers, microphones, audio processors, amplifiers, and more
Specifications(Detailed Specification Table)
| Category | Specification |
| Audio Channels | 4 Channel (Unidirectional) |
| Audio Interface | XLR (Balanced Input or Output, Female/Male optional) |
| Connector Type | 3-Pin XLR (Cannon Connector) |
| Signal Type | Analog Audio (Balanced) |
| Fiber Connector | FC / SC / ST (Optional) |
| Optical Fiber Type | Single-mode fiber (SMF) |
| Transmission Distance | 0–20km |
| 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% |
| Channel Isolation | ≥ 85dB |
| Crosstalk | ≤ -80dB |
| Dynamic Range | ≥ 90dB |
| Latency | < 1ms |
| Power Supply | DC 5V / 12V |
| Power Consumption | ≤ 5W |
| LED Indicators | Power, Fiber Link (FX) |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 0–95% (non-condensing) |
| Housing Material | Industrial Aluminum Alloy |
| Mounting Options | Desktop / Wall Mount / Rack Mount |
| Dimensions | Approx. 140 × 70 × 40 mm (customizable) |
| Weight | Approx. 0.8–1.2 kg |
Application
Package Contents
- 1 × 4-Channel XLR Audio Fiber Optic Transmitter
- 1 × 4-Channel XLR Audio Fiber Optic Receiver
- 2 × Power Adapters / Power Cords
- 1 × User Manual
- 1 × Rack Mount Installation Kit
4CH XLR Fiber Extender
,Audio XLR Fiber Extender
,4CH Analog Audio to Optical Converter
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