DSP4000 - Eventide Audio

The Eventide 4000 series Ultra-Harmonizers are multipurpose programmable digital audio signal processors with pitch change capability. They are considered by some to be the greatest in a line of pitch changing special effects units stretching back to before most audio manufacturers ever heard of digital. 

The 4000s are capable of creating effects you’ve never heard before, with a built-in patch editor to let you create your own effects algorithms. 


The different Harmonizers in the 4000 series are optimized for different marketplaces.

Models included:

  • DSP4000
  • DSP4000B
  • DSP4500
  • GTR4000


DSP4000 Manual