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ZonePro Crossover is Not Working

Written by Carlos Mendoza

Updated at January 6th, 2026

Table of Contents

I have configured the ZonePro with a Crossover but hear no difference between outputs. When you configure a ZonePro with a Crossover, the LPF and HPF is not set.

I have configured the ZonePro with a Crossover but hear no difference between outputs.  

When you configure a ZonePro with a Crossover, the LPF and HPF is not set.  

Run the Configuration Wizard in the ZonePro GUI Designer Software.  Select a Crossover for the outputs.  

Note that the High Frequency will be set on the first channel and the Low Frequency will be set on the second channel (or third channel in tri-amp configuration):

Double click the BPF (Band Pass Filter):

Select the slope for the Filter knee points.  Most common Filter Type is LR 24 (Linkwitz-Riley, 24dB per Octave).  Then change the High Pass on the first Output and change the Low Pass on the second Output.  Notice that the they are marked (IE: Output 1-M 'Main', and Output 1-S 'Sub'):

Crossover setup is now complete. In this example, Output 1 will be the Main speakers and Output 2 will be the Subs.   

Related Videos

crossover malfunction

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Table of Contents

I have configured the ZonePro with a Crossover but hear no difference between outputs. When you configure a ZonePro with a Crossover, the LPF and HPF is not set.

Related Articles

  • Connecting Directly to the ZonePro using Ethernet
  • ZonePro Baud Rate

Related Articles

  • Connecting Directly to the ZonePro using Ethernet
  • ZonePro Baud Rate
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