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I-Tech 4x3500HD Intermittent Startup Problem When In Use

Escalation Article

Written by Guy Minervini

Updated at July 7th, 2026

Table of Contents

Brand: Affected Products: Summary: Troubleshooting:

Brand:

  • Crown

Affected Products:

  • 4x3500HDB
  • 4x3500HDS

Summary:

4x3500HD amplifiers restart intermittently during use, cutting out sound temporarilly, especially when using certain JBL presets such as those for the A8 or A12. 

Troubleshooting:

  • Check AC voltage and power.
  • Check Processing Sample Rate - confirm it has not been changed from the preset default (usually 96kHz). 

If the procedure above did not resolve your issue, please select your country and brand Crown for technical support and service options via the link below


HARMAN Pro Global Support

 

 

 

Related Videos

rebooting i-tech 4x3500 ithd4

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Table of Contents

Brand: Affected Products: Summary: Troubleshooting:

Related Articles

  • 4x3500HD Front Panel Firmware Updater v2.0.1.2
  • Connecting a Crown I-Tech 4x3500HD/DCi Series to Audio Architect for the First Time
  • Can I transfer files to the Crown I-Tech 4x3500HD via the USB port?
  • I-Tech 4x3500 - Front Panel Dark
  • 4x3500HD Dual Mode Preset Recall Does Not Exit Bridge Mode

Related Articles

  • 4x3500HD Front Panel Firmware Updater v2.0.1.2
  • Connecting a Crown I-Tech 4x3500HD/DCi Series to Audio Architect for the First Time
  • Can I transfer files to the Crown I-Tech 4x3500HD via the USB port?
  • I-Tech 4x3500 - Front Panel Dark
  • 4x3500HD Dual Mode Preset Recall Does Not Exit Bridge Mode
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