Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated .

Sweetwater
5.0 (14)
$485.00
Amazon
4.0 (71)
$485.00 New
$314.95 Used (Like New)
Reverb
5.0 (2)
$470.00 New
$314.95 Used
B&H
4.2 (5)
$485.00
Thomann
4.8 (49)
$385.00
Gear4Music
£354.50

Average Price: $449

Standard/Professional

$100

$501+

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Based on price data from 5 merchants for "dbx ASF2 Advanced Feedback Suppression Processor w/ Full LCD Display". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

For the discerning audio engineer and musician, the dbx ASF2 Advanced Feedback Suppression Processor offers a sophisticated solution for eliminating unwanted feedback without compromising your sound's integrity. Engineered with powerful dual-channel processing, this device is designed to protect both your equipment and audience's ears from the disruptive howl of feedback. Tailor your setup with application-specific filter types optimized for speech, music low, music medium, and music high, providing you with unparalleled flexibility.

The ASF2 is equipped with 24 fixed or live narrow-band notch filters, meticulously calibrated to remove unwanted frequencies within 1/80 of an octave. This ensures a pristine audio experience without the threat of feedback. For user-friendly operation, the front panel showcases a full LCD display alongside a wizard function, simplifying setup and room calibration. Monitor your audio with precision using the five-segment LED input level meters and notch filter indicators.

Convenience continues with dedicated bypass buttons to swiftly isolate problem channels, while the rear panel provides versatile connectivity options, featuring XLR and 1/4" inputs and outputs with switchable +4 and -10 dB operations. Stay current with a USB port for hassle-free firmware updates. Whether you're in the studio or on stage, the dbx ASF2 elevates your sound control to professional standards.

Key Features:

  • Dual-channel advanced feedback suppression
  • 24 narrow-band notch filters for precise frequency removal
  • Application-specific filter types for various audio scenarios
  • Full LCD display with wizard function for easy setup
  • Five-segment LED input level meters
  • XLR and 1/4" inputs/outputs, switchable between +4 and -10 dB
  • USB port for firmware updates
  • Includes standard IEC power cable

Product specs

Brand dbx
Model AFS2 Advanced Feedback Suppression Processor with Full LCD Display
Year 2010s
Categories Utility

FAQs

How does the dbx AFS2 Advanced Feedback Suppression Processor work?

The dbx AFS2 uses patented Advanced Feedback Suppression technology to automatically detect and eliminate feedback. It employs sophisticated filters to manage and suppress feedback effectively, making it ideal for live sound environments.

What are the main features of the dbx AFS2?

The dbx AFS2 features a full LCD display for intuitive operation, 24 programmable filters per channel, and real-time monitoring. It also offers both fixed and live filter types to adapt to various sound environments.

Is the dbx AFS2 easy to set up for live performances?

Yes, the dbx AFS2 is designed for easy setup with its intuitive interface and full LCD display. It allows for quick adjustments and real-time feedback monitoring, making it suitable for live sound applications.

Can the dbx AFS2 be used in a studio setting?

While primarily designed for live sound, the dbx AFS2 can also be used in studio environments to manage feedback in complex setups, offering flexibility and control over feedback suppression.

How many channels does the dbx AFS2 support?

The dbx AFS2 supports two independent channels, each with 24 programmable filters, allowing for comprehensive feedback management across multiple audio sources.

dbx Professional

dbx Professional

dbx AFS2 Advanced Feedback Suppression Processor - Simple Setup Video

Video thumbnail for dbx AFS2 Advanced Feedback Suppression Processor - Simple Setup Video by dbx Professional

dbx AFS2 Advanced Feedback Suppression Processor - Simple Setup Video

dbx Professional

dbx Professional

Video thumbnail for dbxAFS2 Overview Video by dbx Professional

dbxAFS2 Overview Video

dbx Professional

dbx Professional

Reviews

PROS

  • Excellent at eliminating feedback with advanced filters, even with multiple microphones

  • Easy to use, especially for beginners, thanks to the Wizard function

  • Enhances audio quality without noticeable degradation

  • Works well with sensitive condenser mics on stage

  • Provides significant gain increase without feedback

  • Compact design fits seamlessly between mixer and amps

  • Allows for better sound tuning and EQ adjustments

  • Reliable performance compared to other models tested

  • Full LCD display aids in easy programming and monitoring

CONS

  • Instructions may not cover all user needs comprehensively

  • Some units may experience functional issues like unresponsive buttons

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about dbx ASF2 Advanced Feedback Suppression Processor w/ Full LCD Display.

Use cases and applications

  • Effective for handheld or lav mics used in front of PA systems, especially for speech applications.

    Source
  • Not recommended for automatic use on main outputs as it can disrupt music and is considered slow and ineffective.

    Source

Features and functionality

  • Offers both fixed and live filters with adjustable time settings from 5 seconds to 60 minutes and different bandwidth settings.

    Source
  • Can function as a precise PEQ with over 10 notches, each with a narrow bandwidth of 1/80th of an octave.

    Source

Setup and maintenance

  • Requires correct gain structure to effectively notch out feedback before it gets uncomfortable for listeners.

    Source

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