dbx AFS2 Dual-Channel Advanced Feedback Suppressor

Reel in your PA frequencies! The dbx AFS2 feedback suppressor features dual channel processing, patented feedback suppression technology and input metering.

The DBX AFS2 Advanced Feedback Suppression processor has been completely re-designed to take the foundation of the best-selling AFS224 and bring it to the 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 Feedback Supression module. Best of all, the AFS2 now provides the user with a full LCD display setup and monitoring.

With 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.


- Wizard Setup Function
- Full LCD Display
- dbx's patented (Advanced Feedback Suppression) AFS technology
- 24 Programmable Filters per Channel
- Stereo or Dual Independent Channel Processing
- Live and Fixed Filter read more 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
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- Number of Inputs: 2
- Input Connectors: Female XLR and 1/4" TRS
- Input Type: Electronically balanced/unbalanced, RF filtered
- Input Impedance: Balanced 50kΩ, Unbalanced 25kΩ
- Max input line level: +20 dBu
- CMRR: > 40dB, typically >55dB @ 1kHz
- Number of Outputs: 2
- Output Connectors: Male XLR and 1/4" TRS
- Output Type: Electronically balanced/unbalanced, RF filtered
- Output Impedance: Balanced >120 Ω, Unbalanced >60 Ω
- 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% 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
- Weight: 4.5 lbs. (2.04 kg)
- Dimensions: 1.75" (H) x 5.75" (D) x 19" (W), 4.4cm (H) x 14.6cm (D) x 48.26cm (W)
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 5.5 lbs
Shipping Dimensions: 22 x 11 x 4 in
Manufacturer Part Number (MPN): DBXAFS2

For support or warranty questions, please contact the manufacturer:
Phone: 844-776-4899


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