Description
High-Fidelity Multi-Channel Audio Over Fiber
The HL-4RA Audio Fiber Converter is a professional-grade 4-channel analog audio-to-fiber converter designed specifically for high-fidelity, long-distance transmission. The device efficiently converts 4 channels of unbalanced RCA audio into a digital optical signal, ensuring zero interference and exceptional structural stability across deployment distances ranging from 1 KM up to 100 KM. Utilizing an advanced input configuration characterized by stereo single-ended connections, this system delivers an uncompromised full-range frequency response spanning 10 Hz to 20 kHz, making it ideal for broadcast studios and high-end stadium sound networks.
Advanced FPGA Processing and Audio Quality
At the technical core of the HL-4RA Audio Fiber Converter is an innovative processing engine built on FPGA-based digital encoding/decoding and clock recovery technology. It achieves stellar signal quality with high linearity and a wide dynamic range, paired with low harmonic distortion. Operating with a 24-bit serial output resolution, the converter supports a 48 kHz basic sampling rate along with a 96 kHz high-rate processing mode. For comprehensive integration into modern audio infrastructure, its high-integration design ensures complete immunity to EMI/RFI while natively supporting I2S bus and MSB multi-format compatibility.
Simplified Field Operation and Dual-Fiber Flexibility
Engineered to streamline site setup and long-term maintenance, the HL-4RA Audio Fiber Converter features a pure plug-and-play design that demands zero software configuration or manual adjustments. The hardware provides built-in LED indicators for instantaneous visual monitoring of real-time power and optical link activity. The flexible dual-compatibility optical engine spans standard un-relayed transmission distances of up to 1 KM over multi-mode fiber and 20 KM over single-mode fiber infrastructure. To guarantee perfect routing, the system functions as a dedicated paired operation consisting of a transmitter positioned at the audio source and a receiver hooked to the destination output.
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