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The DFR22 from Shure is a two-input, two-output digital audio processor with feedback reduction. It features a software interface with “drag and drop” controlled. Buy Shure DFR22 Audio Processor with Feedback Reduction – A Versatile and Powerful 2×2 Processor: Studio Recording Equipment – ✓ FREE. Only at Sweetwater! ✅ 0% Financing, ✅ FREE Tech Support, and ✅ FREE Warranty for your Shure DFR22!.

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Preset Control Connections Various types of control hardware can be connected to the Control Input pins, as shown in Figure The Auto Clear LED will go out, and the number of fixed filters and dynamic filters will reset to eight of each type. High-quality audio solutions for conferencing and discussion systems.

Any remaining pins can then be used to adjust gain or to mute channels. When this algorithm detects feedback, it inserts a shallow, narrow filter into the audio path, reducing gain at the frequency that is feeding back.

Place your order by 5pm and your order will ship the same day. The DFR22 attenuates these frequencies, flattening the response of the sound system. For example, if you have five filters set, Auto Clear will designate those as fixed and will shre the remaining 11 filters as dynamic.

It is possible sbure use either the USB port or the ethernet port on your laptop to control these If a number of hours was specified, each dynamic filter and change to the depth of each fixed filter will be cfr22 that many hours after dfrr22 is set.


Because the feedback reducers always apply the same filters to both channels, the DFR filter indicators and controls are linked.

General Description

To see the latest list of fully approved adapters, visit http: Also, the Auto Clear timer is suspended. International orders are processed the next shipping day. Registration allows you to receive information about software updates as they become available. Height x Width x Depth:. With the DFR22, you can design the entire system, save it to disk, and load it at the job site for df2r2 setup.

The computer interface for dhure DFR22 mimics the functional block diagrams used in sound system design. The DFR22 builds on that reputation to provide an affordable full-featured 2×2 audio processor with drag-and-drop software.

DFR22 Audio Processor

It makes setup a breeze. Enter new zip code to refresh estimated delivery time. Put Rhythm In Your Routine Shure Wireless Sound Isolating Earphones block distractions with a comfortable, secure fit to keep music in your ears and puts rhythm in your routine. The preset indicator will display a flashing [-h]. DFR22 Features Shure’s patented digital feedback reduction algorithm: The chart below lists the minimum requirements for running the DFR22 software with no other applications–including virus protection, firewall, instant messaging, or email–in the background.


SRH Premium Closed-Back Headphones deliver world-class audio performance, comfort and durability to professional engineers, musicians and audiophiles. This makes the software incredibly easy to learn, because the interface seems immediately familiar to sound professionals. Main Features Main Features.

Mute Control Connections For mute control, use either a latching switch or a monetary switch. And ensures that you get the best possible customized processor for your application. Shurw DFR22 output has a 12 dB pad and an 18 dB pad that can be engaged through the software interface.

DFR22 Audio Processor | Shure Americas

Use the pin numbers listed in Table 3. Detailed policy information regarding customer service numbers, service modifications, and replacement parts. In most cases, the point of diminishing returns is reached once 5 to 8 notch filters have been set. Premium Closed-Back Headphones deliver world-class audio performance, comfort and durability to professional engineers, musicians and audiophiles.

Dynamic filters can be automatically removed after a specified number of hours. The preset indicator and controls are also used for setting the number of hours after dfr222 each dynamic filter is removed when engaging Auto Clear. Packaging Info ybyzzfbdfctfcutf Package Weight This filter is called a notch filter, since it affects a narrow section of the audio spectrum.