from $720.00

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. 



Sound Reinforcement

Model Line


DFR22 Specification Sheet (PDF)
DFR22 Hardware User Guide (PDF)
DFR22 Software User Guide (PDF)
DFR22 Audio Processor Software v. 3.11 (Windows XP, 7, 8 and 8.1) (ZIP)
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FAQ's for DFR22
Using with AMX/Crestron Systems
DFR22 Audio Processor Software
  • 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