8 Ch Line-Level Balanced XLR Audio Over Fiber Extender (Converter) to Max 20 Km SMF or 500 Meters MMF, Providing 16-bit or 24 bit Audio Quality


Regular price $899.00



  • 8 Channels Line-Level  balanced audio to 20 Km on Single-mode Fiber or 500 meters on Multi-mode Fiber; not directly support Mic-Level Audio.
  • So It can not directly with the Microphone, if the Audio is from Microphone, the user need other devices like DJ controller/ Audio MIxer which has Amprifier function to work with our Extender. if the microphone is Dynamic type and need to directly connect with our Extender, please select our this item.
  • Supports 16-bit or 24-bit digitally encoded broadcast quality balanced audio; 1 U Chassis rack- mount installation
  • with hot-pluggable SFP module.
  • Plug and Play design ensures adjustment-free installation and operation, and optical adjustments are never required;LED indicators are provided to instantly monitor the system operating status.


BY-XLR-394 includes the fiber optic transmitter and receiver which supports 8 Channel balanced audio 16-bit or 24-bit digitally encoded broadcast quality balanced audio over 500 Meters multi-mode or 20 Kilometres single-mode optical fiber. It can be stand-alone or rack-mount installation.

Caution:   The Input & Output Audio should be connected with the Line-Level & Balanced Interface of the DJ controller or Audio Mixer,  if not,  the wrong connection could damage our devices or no sound out.  for more,  please check the Images of Application 1 & 2.
Wavelength: 1310nm or 850nm
Output Power: -10~ -5dBm
Supported Optic fiber: 50/125u multimode,62.5/125u multimode,9/125u single mode
Rx sensitivity: -25dBm/-17db
Optical connector: 1 x LC, 1 x SC, 1 x ST, 1 x FC available
Distance:  0~20 Kilometers (SMF) / 0~500 Meters (MMF)
Balanced Audio:
Number of Channels: 8 
Input Connector: XLR(female)
Output Connector: XLR(male)
Input / Output Impedance: 10K Ohm
Input capacitance LINE inputs: 10 pF
Max input/output voltage: +4 dBu (1.228 Volts).  if over the limit,  the audio distortion will appear.
Frequency Response: 20 Hz~24kHz @±3dB
Sample Rates From: 48kHz
SNR: > 80dB
Electrical & Mechanical:
Power Adapter: AC 90V~240V
Power Consumption: < 8W
Installation: 19’’ 1U rack-mount chassis (the image has the details)
Shipping Weight: (include Transmitter & Receiver ) 7kg
Operating Temperature: -20°C ~ +75°C
Storage Temperature: -40°C ~ +85°C
Relative Humidity: 0% ~ 95% (non-condensing)
MTBF: >100,000 hours

Rental, Staging, Theater, Stadiums, Theme Parks, Broadcast/Studio, CCTV audio and Professional AV etc

Package contains:
1. 1 x transmitter with SFP module.
2. 1 x receiver with SFP module.
3.1 x Manual
About shipment:
Once order received, we will worldwide deliver by DHL Express for about 1 week delivery.

Or shop on Amazon with worldwide Shipment (Free & Expedited)

BY-XLR-394 (8 Ch over 1 Core  Fiber)        

BY-XLR-394 (8 Ch over 1 Core Fiber)

or Directly Contact us at sales@transwan.com.cn for offline transaction

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