Two Channels. A Powerful Processor. The Shure DFR has quickly become the industry standard for effective feedback reduction. The DFR22 builds on that reputation to provide an affordable full-featured 2x2 audio processor with drag-and-drop software.

The DFR22 is ideal for installed sound reinforcement applications, such as houses of worship, theaters, and meeting facilities.

DFR22 is also a powerful setup tool in live music applications. Using the DFR22’s drag-and-drop graphical user interface, processors can be placed anywhere in the signal path. 

Downloads
DFR22 Specification Sheet (PDF)
DFR22 Specification Sheet
DFR22 Hardware User Guide
DFR22 Software User Guide
Related Links
FAQ's for DFR22
Using with AMX/Crestron Systems
DFR22 Audio Processor Software
Features
  • DFR Automatic Feedback Reduction
  • Parametric and Graphic Equalizers
  • Cut/Shelf Equalizer
  • Compressors/Limiters
  • Automatic Gain Control
  • Gate/Downward Expander
  • Ducker
  • 2-Way Crossover
  • Subwoofer Processor
  • Splitter
  • Delay Processors
  • 2x2 Matrix Mixer
User Guides
File Language Type File Size
DFR22 Hardware User Guide German PDF 1.03 mb
DFR22 Hardware User Guide English PDF 1.03 mb
DFR22 Hardware User Guide Spanish PDF 1.02 mb
DFR22 Hardware User Guide French PDF 1.02 mb
DFR22 Hardware User Guide Italian PDF 1.02 mb
DFR22 Software User Guide English PDF 1.77 mb
DFR22 Software User Guide Spanish PDF 2.08 mb
DFR22 Software User Guide French PDF 2.06 mb
DFR22 Software User Guide Italian PDF 2.02 mb