Industrial Bidirectional RCA Audio Extender 2 Channel Fiber Optic Extender
The 2-channel bidirectional RCA audio fiber optic extender is a professional audio transmission solution designed to simultaneously transmit and receive two channels of stereo analog audio signals over a single optical fiber cable. Utilizing advanced digital optical transmission technology, the system ensures crystal-clear audio quality, ultra-low latency, and exceptional reliability even over long transmission distances.
Unlike conventional copper cabling, fiber optic transmission completely eliminates electromagnetic interference (EMI), radio frequency interference (RFI), lightning-induced surges, and ground loop noise. This guarantees stable, noise-free audio performance in demanding industrial, commercial, and broadcast environments.
Each unit supports dual RCA audio interfaces (Left and Right channels) and allows bidirectional communication, making it ideal for intercom systems, conference rooms, command centers, broadcasting studios, live event production, educational campuses, and public address systems.
The compact industrial-grade metal enclosure provides excellent heat dissipation and durability, while plug-and-play installation allows quick deployment without any software configuration. Designed for 24/7 continuous operation, this fiber optic extender ensures dependable performance for mission-critical audio transmission applications.
Whether deployed in corporate AV systems, government facilities, transportation hubs, educational institutions, or entertainment venues, this bidirectional RCA audio fiber optic extender delivers superior audio quality and reliable long-distance transmission.
Product Features
Simultaneous Bidirectional Audio Transmission
- Transmit and receive stereo audio simultaneously.
- Two-way communication over a single optical fiber.
2-Channel Stereo Audio Support
- Supports Left (L) and Right (R) analog RCA audio channels.
- Maintains original audio quality without compression.
Long-Distance Fiber Transmission
- Up to 20 km transmission over single-mode fiber.
- Up to 500 m transmission over multimode fiber.
Broadcast-Grade Audio Quality
- High signal-to-noise ratio.
- Ultra-low distortion and low latency.
EMI/RFI Immunity
- Completely immune to electromagnetic and radio interference.
- Eliminates hum, noise, and ground loop issues.
Plug-and-Play Installation
- No software or configuration required.
- Easy setup and maintenance.
Industrial-Grade Reliability
- Rugged aluminum alloy housing.
- Suitable for continuous 24/7 operation.
Wide Equipment Compatibility
- Compatible with mixers, amplifiers, audio processors, speakers, recording equipment, and AV systems.
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | 2-Channel Bidirectional RCA Audio Fiber Optic Extender |
| Audio Channels | 2 Channels Stereo (L/R) Each Direction |
| Transmission Direction | Bidirectional Simultaneous Transmission |
| Audio Interface | 2 × RCA Input + 2 × RCA Output |
| Fiber Interface | FC / ST / SC (Optional) |
| Fiber Type | Single-mode / Multi-mode |
| Optical Wavelength | 1310nm / 1550nm |
| Optical Fiber Core | Single Fiber Transmission |
| Transmission Distance (Single-mode) | Up to 20 km |
| Transmission Distance (Multi-mode) | Up to 500 m |
| Frequency Response | 20Hz ~ 20kHz |
| Signal-to-Noise Ratio | ≥95dB |
| Total Harmonic Distortion (THD) | ≤0.05% |
| Audio Sampling | 24-bit High Fidelity |
| Audio Input Impedance | 10kΩ |
| Audio Output Impedance | 600Ω |
| Transmission Delay | <1ms |
| Power Supply | DC 5V / 1A |
| Power Consumption | <3W |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 0% ~ 95% Non-Condensing |
| Housing Material | Industrial Aluminum Alloy |
| Installation Method | Desktop / Wall Mount |
| Protection | Industrial Grade Design |
| MTBF | >100,000 Hours |
Application

Package Contents
- 1 × 2-Channel Bidirectional RCA Audio Fiber Optic Transmitter (Unit A)
- 1 × 2-Channel Bidirectional RCA Audio Fiber Optic Receiver (Unit B)
- 2 × DC 5V Power Adapters
- 1 × User Manual
- 1 × Warranty Card
- 1 × Quality Inspection Certificate
- Protective Packaging Foam
Applications
- Conference Communication Systems
- Broadcasting & Television Studios
- Recording Studios
- Public Address (PA) Systems
- Command & Control Centers
- Multimedia Education Systems
- Security Monitoring Centers
- Government Facilities
- Airports & Railway Stations
- Churches & Auditoriums
- Live Performance Venues
- Home Audio Distribution Systems
Industrial RCA Audio Extender
,RCA Audio Extender 2 Ch
,2 Channel Fiber Optic Extender
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