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SVSI N4321 Audio Transceiver No Audio


Written by Gary Brindley

Updated at April 3rd, 2026

Table of Contents

Brand: Model: Overview:

Brand:

  • AMX

Model:

  • FGN4321-SA
  • FGN4321-CD

Overview:

This article covers some common symptoms and how to troubleshoot a transceiver with no audio.

 

Problem:

 What to check: 

Attempted resolution:
  • No audio received from N2300 encoder
  • Interleaved multicast stream option matches on all devices
  • Toggle interleaved multicast option on N2300 or N4321 to match
  • No audio received from N3000 encoder
  • N3000 'Enable PCM Audio' option is checked
  • Toggle 'Enable PCM Audio' option
  • No audio from N4321 to N4321
  • Stream routing
  • Check stream is not routed to transmit and receive on same N4321 device

Related Videos

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Table of Contents

Brand: Model: Overview:

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