Shenzhen Atongda Technology Co., Ltd
| Payment Terms | T/T |
| Supported Audio Channels | Stereo (4 channels) |
| Cable type | Fiber cable |
| Extension distance | Up to 20km |
| Type | Audio Extender |
| Packaging Details | 2pcs/box |
| Delivery Time | 5-7 days |
| Connectortype | RCA |
| Frequencyresponse | 20Hz - 20kHz |
| Operating Temperature | -10°C to 60°C |
| Compatibility | Compatible with all RCA audio devices |
| Powersupply | DC 5V/12V (depending on model) |
| Frequency Response | 20Hz - 20kHz |
| Impedance | 75 Ohms |
| Supply Ability | 10000pcs/Month |
| Product name | RCA Audio Extender over Fiber |
| Installation | Plug and play, no drivers required |
| Certification | CE ROSH FCC ISO |
| Model Number | ATD-RCA-4U |
| Brand Name | OEM/atongda |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Supported Audio Channels | Stereo (4 channels) |
| Cable type | Fiber cable | Extension distance | Up to 20km |
| Type | Audio Extender | Packaging Details | 2pcs/box |
| Delivery Time | 5-7 days | Connectortype | RCA |
| Frequencyresponse | 20Hz - 20kHz | Operating Temperature | -10°C to 60°C |
| Compatibility | Compatible with all RCA audio devices | Powersupply | DC 5V/12V (depending on model) |
| Frequency Response | 20Hz - 20kHz | Impedance | 75 Ohms |
| Supply Ability | 10000pcs/Month | Product name | RCA Audio Extender over Fiber |
| Installation | Plug and play, no drivers required | Certification | CE ROSH FCC ISO |
| Model Number | ATD-RCA-4U | Brand Name | OEM/atongda |
| Place of Origin | CHINA | ||
| High Light | RCA Fiber Optical Extender ，4 Channel Analog Audio Extender ，Unidirectional Analog Audio Extender | ||
The 4-channel unidirectional RCA audio fiber optic extender converts four analog RCA audio signals into optical signals for long-distance transmission over fiber. Ideal for professional audio systems, this device ensures minimal signal loss and EMI/RFI-free transmission, delivering high-fidelity audio across distances up to 20 km (single-mode fiber) or 300 m (multi-mode fiber).
Designed for broadcast studios, conference rooms, home theaters, and live sound systems, this extender supports stereo audio (left/right channels) on all four inputs. The plug-and-play design eliminates software configuration, while durable industrial-grade housing provides reliable operation in demanding environments. Perfect for connecting multiple audio sources such as mixers, amplifiers, DACs, and audio processors to remote locations without compromising audio quality.
| Parameter | Specification |
| Channels | 4 × RCA (Stereo L/R) |
| Transmission Type | Unidirectional |
| Audio Format | PCM, Stereo |
| Frequency Response | 20 Hz – 20 kHz |
| Signal-to-Noise Ratio | ≥95 dB |
| Total Harmonic Distortion | <0.05% |
| Fiber Connector | SC / ST / FC (optional) |
| Fiber Type | Single-Mode / Multi-Mode |
| Transmission Distance | Up to 20 km (single-mode), 300 m (multi-mode) |
| Latency | ≤ 1 ms |
| Power Supply | DC 5V / 1A |
| Power Consumption | <5W |
| Operating Temperature | 0°C – 50°C |
| Storage Temperature | -20°C – 85°C |
| Housing Material | Aluminum Alloy |
| Dimensions (L×W×H) | 120 × 70 × 25 mm |
| Weight | 0.25 kg |
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
8000000-12000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Shenzhen Atongda Technology Co., Ltd. is registered in Shenzhen hi-tech park of a professional engaged in the broadband access equipment and fiber optic communications equipment research and development, production and sales of scientific and technological enterprises. The products cover Industri... Shenzhen Atongda Technology Co., Ltd. is registered in Shenzhen hi-tech park of a professional engaged in the broadband access equipment and fiber optic communications equipment research and development, production and sales of scientific and technological enterprises. The products cover Industri...
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