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 DFR22s drag-and-drop graphical user interface, processors can be placed anywhere in the signal path.
- DFR Automatic Feedback Reduction
- Parametric and Graphic Equalizers
- Cut/Shelf Equalizer
- Automatic Gain Control
- Gate/Downward Expander
- 2-Way Crossover
- Subwoofer Processor
- Delay Processors
- 2x2 Matrix Mixer
|DFR22 Audio Processor Software v. 3.11 (Windows XP, 7, 8 and 8.1)||ZIP||5.75 mb|
USB to Serial Port Adapter for Windows XP, Vista, 7 (32 and 64-bit editions)
Consider obtaining the FTDI Chip (www.ftdichip.com) model US232R USB to Serial Port Adapter.&n...
DFR22 Software and Windows 7 & Windows 8
As of June 1, 2015: Shure Software Quality Assurance tested DFR22 software using Wi...
DFR22 Hard Reset
NOTE: This procedure will clear all the presets programmed by the user. It is recommended to s...
How may I use my USB port to connect to the DFR22, P4800, DFR11EQ, UA888 or DP11EQ?
It is possible to use either the USB port or the ethernet port on your laptop to control these...
How does the DFR differentiate between feedback and music?
If feedback is being used in a "musical manner", like a rock quitarist, the DFR cann...
DFR22 RS232 Codes - AMX / Crestron Subprograms
Download the DFR22 serial strings in PDF format, including examples and communication protocol...
Instructional articles, guides, demos and more! Our experts offer industry-proven tips and tricks to help you get the most from your gear.
Service & Repair
Detailed policy information regarding customer service numbers, service modifications, and replacement parts.