DBX Dual Channel Advanced Feedback Suppression w/ LCD display

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DBX Dual Channel Advanced Feedback Suppression w/ LCD display

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The DBX Dual Channel Advanced Feedback Suppression processor has been completely re-designed to take the foundation of the best selling AFS224 and bring it to thte next level. The AFS2 now offers the highly-intuitive Wizard function that takes all of the guesswork out of setting up any room.The AFS2 also incorporates a completely re-designed Advanced Feeback Supression module.  Best of all, the AFS2 now provides the user with a full LCD display setup and monitoring.its powerful DSP module, the AFS2 provides all the processing and control necessary for both installation and live use. Ten and twelve filter feedback elimination processors are the de facto standard, but the AFS2 offers a dedicated feedback suppression processor that offers up to 24 filters per channel with filter Qs up to 1/80 of an octave. To achieve these staggering numbers dbx utilized their improved AFS technology that had previously only been available in the upper echelon line of products and made it available in this stand-alone processor. In addition to the plethora of feedback suppression filters available, the AFS2 also offers selectable modes, live filter lift, and types of filtration, which are all readily available via the intuitive user interface front panel.  With all of these state-of-the-art features in place, not only do you hear no evil, but you will now be able to see no evil


The DBX Dual Channel Advanced Feedback Suppression is the second generation feedback suppression processor from dbx®. Whether you are playing with your band, a live sound engineer, or an audio installer, you know how annoying and offensive feedback can be. Feedback is caused when an in-phase audio loop is created between an input transducer (such as a guitar pickup or microphone) and an output transducer(a loudspeaker). Using the updated AFS algorithm first introduced in the acclaimed dbx DriveRack PA2 speaker management system processor, the AFS2 kills feedback dead in its tracks without adversely affecting the tone of your system.The AFS2 is a two-channel device and can be configured for stereo linked or dual mono operation. It provides 24 filters per channel with filter widths as narrow as 1/80th of an octave. Filters can be configured for Live or Fixed operation. Use the Fixed filters to initially ring out the system for higher gain before feedback then use the Live filters for on-the-fly, automatic feedback protection during the performance as conditions change. 24 Filter LEDs show at-a-glance status of all filters so you are never left guessing what the processor is doing. Need more detailed information about the filters ?  The easy-to-read, backlit LCD display shows the frequency, width, and attenuation amount of each set filter. Not sure how to ring out a sound system ? No problem. The new Wizard in the AFS2 walks you through the entire setup and ring-out procedure. Feedback suppression could not be any easier. Just press the big, red Wizard button and follow the on-screen instructions. The updated AFS algorithm in the AFS2 can now detect and eliminate feedback faster than ever before and with even higher precision.


  • Wizard Setup Function

  • Full LCD Display

  • dbx patented (Advanced Feedback Suppression) AFS technology

  • 24 Programmable Filters per Channel

  • Stereo or Dual Independent Channel Processing

  • Live and Fixed Filter Modes

  • Selectable Filter Lift Times

  • Application-specific filter types include: Speech and Music Low, Med and High

  • Input channel Metering

  • 24 LED per Channel Filter Metering

  • XLR and TRS Inputs and Outputs


  • DBX AFS2 Dual-Channel Advanced Feedback Suppression Processor

  • Standard IEC Cable

  • Limited 2-Year Manufacturer Warranty


  • Input Connectors: Female XLR and 1/4inch TRS

  • Input Type: Electronically balanced/unbalanced, RF filtered

  • Input Impedance: Balanced P50k ohm, Unbalanced 25kohm

  • Max input line level: +20 dBu

  • CMRR: > 40dB, typically >55dB at 1kHz

  • Number of Outputs: 2

  • Output Connectors: Male XLR and 1/4inch TRS

  • Output Type: Electronically balanced/unbalanced, RF filtered

  • Output Impedance: Balanced >120 ohm, Unbalanced >60 ohm

  • Max Output Level: +20 dBu

  • A/D Converter: dbx Type IV Conversion System

  • A/D Dynamic Range: >113 dB A-weighted, >110 dB unweighted, 22kHz BW

  • Type IV Dynamic Range: >119 dB, A-weighted, 22kHz BW; >117 dB, unweighted, 22kHz BW

  • A/D Conversion: 24-bit

  • Sample Rate: 48kHz

  • D/A Dynamic Range: 112 dB A-weighted, 109 dB unweighted

  • D/A Conversion: 24-bit

  • Dynamic Range: 109 dB A-weighted, 106 dB unweighted, 22kHz BW

  • THD+Noise: 0.003 percentage typical at +4 dBu, 1 kHz

  • Frequency Response: 20Hz- 20kHz, +/- 0.5dB

  • Interchannel Crosstalk: >80 dB typical

  • Crosstalk input to output : >80 dB

  • Operating Voltage: 100-120VAC 50/60 Hz - EU: 220-240 VAC 50/60 Hz

  • Power Consumption: 9 W

  • Unit Weight: 4.5 lbs. (2.04 kg)

  • Dimensions: 1.75inch(H) x 5.75inch(D) x 19inch(W), 4.4cm (H) x 14.6cm (D) x 48.26cm (W)


  • Brand: DBX

  • Manufacturer SKU: AFS2

  • UPC: 691991401510

  • Type: Feedback Suppression Processor