Shenzhen Atongda Technology Co., Ltd
| Transmission Medium | Fiber cable |
| Connector Type | RCA |
| Impedance | 75 Ohms |
| Maximum Transmission Distance | Up to 20km |
| Installation | Plug and play, no drivers required |
| Type | Audio Extender |
| Operating Temperature | -10°C to 60°C |
| Packaging Details | 2pcs/box |
| Delivery Time | 5-7 days |
| Frequency Response | 20Hz - 20kHz |
| Power Supply | DC 5V/12V (depending on model) |
| Compatibility | Compatible with all RCA audio devices |
| Payment Terms | T/T |
| Supply Ability | 10000pcs/Month |
| Supported Audio Channels | Stereo (4 channels) |
| Signal-To-Noise Ratio | ≥ 90dB |
| Model Number | ATD-RCA-4B |
| Place of Origin | CHINA |
| Brand Name | OEM/atongda |
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Product Specification
| Transmission Medium | Fiber cable | Connector Type | RCA |
| Impedance | 75 Ohms | Maximum Transmission Distance | Up to 20km |
| Installation | Plug and play, no drivers required | Type | Audio Extender |
| Operating Temperature | -10°C to 60°C | Packaging Details | 2pcs/box |
| Delivery Time | 5-7 days | Frequency Response | 20Hz - 20kHz |
| Power Supply | DC 5V/12V (depending on model) | Compatibility | Compatible with all RCA audio devices |
| Payment Terms | T/T | Supply Ability | 10000pcs/Month |
| Supported Audio Channels | Stereo (4 channels) | Signal-To-Noise Ratio | ≥ 90dB |
| Model Number | ATD-RCA-4B | Place of Origin | CHINA |
| Brand Name | OEM/atongda | ||
| High Light | Fiber Optic Extender 4 Channel ，Bidirectional Audio Over Fiber Converter ，RCA Audio Over Fiber Converter | ||
The 4-Channel Bidirectional RCA Audio Fiber Optic Extender is designed for professional audio transmission applications requiring reliable, high-quality audio transport over long distances. The system simultaneously transmits and receives four channels of analog stereo RCA audio through a single optical fiber, significantly reducing cabling requirements while ensuring pristine audio quality.
Utilizing advanced digital optical transmission technology, the extender eliminates signal degradation, ground loops, electromagnetic interference (EMI), and radio frequency interference (RFI) commonly associated with traditional copper-based audio connections. It delivers crystal-clear audio performance even in electrically noisy environments such as factories, stadiums, broadcasting facilities, and transportation systems.
The device supports real-time bidirectional communication, making it ideal for intercom systems, studio monitoring, conference rooms, live event production, public address systems, and professional audio distribution networks. Its compact metal enclosure, plug-and-play operation, and industrial-grade reliability ensure dependable performance in demanding environments.
Whether deployed in recording studios, government facilities, command centers, educational campuses, or large-scale commercial installations, this audio fiber extender provides exceptional transmission quality and operational stability.
The 4-channel bidirectional RCA audio fiber optic extender enables simultaneous two-way transmission of four stereo RCA audio channels over a single optical fiber. It delivers high-fidelity, low-latency, and interference-free audio transmission, making it ideal for broadcasting, professional AV, recording studios, conference systems, and long-distance audio distribution.
| Parameter | Specification |
| Product Type | 4-Channel Bidirectional RCA Audio Fiber Extender |
| Audio Channels | 4 Bidirectional Stereo Audio Channels |
| Audio Interface | RCA Female Connectors |
| Transmission Direction | Bidirectional (Full Duplex) |
| Fiber Interface | SC Standard (FC/ST Optional) |
| Fiber Type | Single-Mode / Multi-Mode |
| Operating Wavelength | 1310nm / 1550nm |
| Transmission Distance (Single-Mode) | Up to 20 km |
| Transmission Distance (Multi-Mode) | Up to 2 km |
| Frequency Response | 20Hz ~ 20kHz |
| Audio Sampling | 24-bit Digitized Audio |
| Signal-to-Noise Ratio (SNR) | ≥95 dB |
| Dynamic Range | ≥95 dB |
| Total Harmonic Distortion | ≤0.05% |
| Audio Crosstalk | ≤-85 dB |
| Transmission Delay | ≤1 ms |
| Optical Loss Budget | 10 ~ 28 dB |
| Power Supply | DC 5V / 1A |
| Power Consumption | <5W per Unit |
| Operating Temperature | -20°C ~ +70°C |
| Storage Temperature | -40°C ~ +85°C |
| Humidity | 0% ~ 95% Non-Condensing |
| Housing Material | Aluminum Alloy |
| Cooling Method | Fanless Passive Cooling |
| Dimensions | 120 × 95 × 28 mm |
| Weight | Approx. 0.5 kg |
| MTBF | >100,000 Hours |
| Installation | Desktop / Rack Mount Optional |
| Certifications | CE, FCC, RoHS |
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
8000000-12000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
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