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XLR Fiber Audio Converter
By | 2026-04-15 | 1179 Views

XLR Balanced Audio Fiber Optic Transceiver


Product Introduction

The balanced audio fiber optic transceiver is a fiber‑optic device for long‑distance fiber transmission of 1‑16‑channel XLR balanced analog audio signals, supporting simplex or bi‑directional transmission. The front‑end balanced audio signal feeds directly into the unit, then transmits over fiber and outputs at the far end to power active speakers or drive loudspeakers via power amplifiers. It adopts 10‑bit digital audio encoding, and its system performance meets or exceeds broadcast‑grade Class‑A standards.

Widely deployed in radio & television, sports stadiums, exhibition shows, video conferences, stage performances and other scenarios requiring long‑distance audio transmission.

Product Features

  • Uncompressed analog audio transmission over fiber

  • Single‑mode single‑fiber design; FC / LC fiber connectors optional

  • Default transmission distance: 20 km; extended distance options from 20 km to 120 km available

  • Hot‑swap supported

  • 10‑bit video A/D conversion, 24‑bit audio A/D conversion

  • Multi‑channel options over single / multi‑core fiber: 2‑CH (bi‑directional) / 4‑CH (bi‑directional) / 8‑CH (bi‑directional) / 16‑CH (bi‑directional)

  • Support for special‑function customization

Technical Parameters

Balanced Audio Specifications

ItemSpecification
Audio Channels1‑16 channels
Audio Input ConnectorXLR Female
Audio Output ConnectorXLR Male
Input / Output Impedance10k ohm
Input Capacitance10PF
Max. Input / Output Voltage3.0 VP‑P
Frequency Response10 Hz ~ 24 kHz @ ±3 dB
Sampling Rate48 KHZ
Signal‑to‑Noise Ratio (SNR)> 90 dB

Optical Specifications

ItemSpecification
Optical Transmit Power-14 ~ -8 dBm / -5 ~ 0 dBm
Fiber ConnectorFC (LC optional)
Wavelength1310 nm & 1470 nm ~ 1610 nm
Receiver Sensitivity-14 ~ -8 dBm / -5 ~ 0 dBm
Recommended Max. Transmission DistanceSingle‑mode fiber: 20 / 40 / 60 / 80 km

General Specifications

ItemSpecification
Power SupplyDesktop unit: DC12V/1A; 1U / 2U / 4U rack‑mount unit: AC220V
Max Power ConsumptionMAX 4W
Operating Temperature-5℃ ~ +70℃
Operating Humidity5% ~ 90% RH (non‑condensing)
Rack Form FactorStandard 1U rack‑mount available
Warranty1‑year free warranty

Application Diagram Description

The transmitter (TX) connects audio sources such as mixing consoles and microphones via XLR ports. Audio signals are converted into optical signals and transmitted over single‑mode fiber cable to the receiver (RX). The receiver converts optical signals back to balanced analog audio and outputs to power amplifiers and loudspeakers. It realizes long‑distance lossless audio delivery for professional audio systems.

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Order Information

Product NameModelUnit
1‑Channel XLR Audio Fiber Optic TransceiverPAC‑OAK0101Pair
2‑Channel XLR Audio Fiber Optic TransceiverPAC‑OAK0201Pair
1‑Channel Bi‑directional XLR Audio Fiber Optic TransceiverPAC‑OAK0101‑DPair
4‑Channel XLR Audio Fiber Optic Transceiver (Desktop Box Type)PAC‑OAK0401Pair
2‑Channel Bi‑directional XLR Audio Fiber Optic Transceiver (Desktop Box Type)PAC‑OAK0201‑DPair
4‑Channel XLR Audio Fiber Optic Transceiver (1U Rack‑mount Type)PAC‑OAK0401Pair
2‑Channel Bi‑directional XLR Audio Fiber Optic Transceiver (1U Rack‑mount Type)PAC‑OAK0201‑DPair
4‑Channel Bi‑directional XLR Audio Fiber Optic Transceiver (1U Rack‑mount Type)PAC‑OAK0401‑DPair
8‑Channel XLR Audio Fiber Optic Transceiver (1U Rack‑mount Type)PAC‑OAK0801Pair
8‑Channel Bi‑directional XLR Audio Fiber Optic Transceiver (1U Rack‑mount Type)PAC‑OAK0801‑DPair
16‑Channel XLR Audio Fiber Optic Transceiver (1U Rack‑mount Type)PAC‑OAK1601Pair