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4 Channel Audio XLR over Fiber Converter

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Type : XLR Audio over Fiber
Description :

The device uses digital encoding technology, and the audio interface is XLR.


The device uses digital encoding technology, and the audio interface is XLR. It can transmit audio signals, data signals, dry contact signals, and Ethernet signals bidirectionally over single-mode optical fiber for up to 100km without signal distortion. The audio interface adopts 24-bit AD/DA 128K sampling and has transmission quality suitable for broadcasting. The device consists of an optical transmitter and an optical receiver, and can be configured as either 2-channel bidirectional audio or 4-channel unidirectional audio.


Audio XLR over Fiber Converter Audio XLR over Fiber Converter


IP40-rated aluminum alloy anodized shell;

The audio interface is XLR balanced interface;

Desktop-type, 4U rack plug-in type can be provided in various ways;

Single-fiber transmission, dual-fiber is optional;

Audio adopts 24Bit AD/DA128K sampling, studio-level transmission quality;

The audio interface provides 3-level lightning protection function and can pass the test of ITU-T K.21 (10/700 μS) common mode: 6KV impedance (40Ω).


● Audio

Signal level: 0.5-4Vp-p

Input/output impedance: 600Ω (unbalanced/balanced)

AD/DA bit depth: 24Bit

Sampling rate: 128K

Bandwidth: 20Hz-20KHz

Total harmonic distortion: <1%

Signal-to-noise ratio (SNR): >85dB

Connector: XLR balanced interface


● Fiber

Working wavelength: 1310nm, 1550nm

Fiber: single-mode 9/125um

Fiber interface: FC, SC, ST


Power Supply

Voltage: DC 12V

Power Consumption: ≤3W


● Working Environment

Working temperature: -10℃—+70℃

Storage temperature: -40℃—+85℃

Working humidity: 0%—95% (no condensation)

MTBF: >100,000 hours


Product Model


Function Description

4-channel XLR over fiber

Port Description

4*XLR interface, 1*optical fiber interface

Power Supply


Product Size

168 (W)*140 (D)*44 (H) mm Desktop type




application of xlr over fiber

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