Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated .

Sweetwater
5.0 (14)
$485.00
Amazon
4.0 (71)
$485.00 New
$365.00 Used (Like New)
B&H
4.2 (5)
$485.00
Thomann
4.8 (47)
$389.00 $385.00 $4.00 · All time low
Gear4Music
£354.50

Price History

Based on price data from 6 merchants for "DBX AFS2". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Transform your live sound experience with the DBX AFS2, a powerhouse in feedback suppression technology. This dual-channel processor stands out by eliminating audio feedback swiftly and effectively, protecting both your ears and equipment without compromising on sound quality. The AFS2 is designed for ease of use with its intuitive Wizard Setup function, which simplifies the setup process in any venue, whether you're on stage or in the studio.

Equipped with 24 programmable filters per channel, the AFS2 ensures precise control over your audio environment. These filters can target frequencies as narrow as 1/80 of an octave, allowing for highly accurate feedback elimination. The processor offers both fixed and live modes, catering to a variety of applications, from speech to music performances. Its front panel houses a comprehensive LCD display and LED metering, providing real-time feedback and complete control over your settings.

Versatility is a key feature of the AFS2, which includes XLR and TRS inputs and outputs, making it compatible with various setups. The USB port for firmware updates ensures your device stays up-to-date with the latest improvements. Whether you're looking to protect individual microphones, instrument groups, or your entire mix, the DBX AFS2 is your reliable ally in achieving a clear, feedback-free sound.

Key Features:

  • Two-channel digital anti-feedback processor
  • Wizard Setup function for easy configuration
  • 24 programmable filters per channel
  • Extremely narrow notch filters (up to 1/80 of an octave)
  • Full LCD display with LED metering
  • Fixed and live filter modes
  • XLR and TRS inputs and outputs
  • USB port for firmware updates
  • Internal power supply

Owner's manual

DBX AFS2 User Manual

Product specs

Number of Channels 2
Number of Filters 24
Inputs 2 x XLR, 2 x 1/4"
Outputs 2 x XLR, 2 x 1/4"
Rack Spaces 1U
Height 1.75"
Depth 5.75"
Width 19"
Weight 4.5 lbs.

FAQs

What is the primary function of the DBX AFS2?

The DBX AFS2 is designed to provide advanced feedback suppression for live and studio environments, utilizing an intuitive Wizard function to simplify setup and optimize sound performance by automatically identifying and eliminating feedback frequencies.

How many channels and filters does the DBX AFS2 have?

The DBX AFS2 features two channels and 24 programmable filters per channel, allowing for precise feedback control and improved sound quality in various audio setups.

What are the input and output options on the DBX AFS2?

The DBX AFS2 offers versatile connectivity with 2 XLR and 2 1/4" inputs, as well as 2 XLR and 2 1/4" outputs, making it compatible with a wide range of audio equipment.

Is the DBX AFS2 suitable for rack mounting?

Yes, the DBX AFS2 is a 1U rack-mounted device, designed to fit seamlessly into standard audio racks, providing a compact and efficient solution for feedback suppression in professional audio setups.

Does the DBX AFS2 work well for live sound applications?

The DBX AFS2 is ideal for live sound environments, as it automatically detects and suppresses feedback, ensuring clear and uninterrupted audio performance without the need for constant manual adjustments.

Mahajak Channel

Mahajak Channel

DBX AFS2 Advanced Feedback (Thai version) - Simple Setup Video

Video thumbnail for DBX AFS2 Advanced Feedback (Thai version) - Simple Setup Video by Mahajak Channel

DBX AFS2 Advanced Feedback (Thai version) - Simple Setup Video

Mahajak Channel

Mahajak Channel

Video thumbnail for Cómo configurar el supresor de feedback DBX AFS2 by Sistemas MER

Cómo configurar el supresor de feedback DBX AFS2

Sistemas MER

Sistemas MER

Video thumbnail for DBX AFS2 обзор меню и настройка by Звукотехник

DBX AFS2 обзор меню и настройка

Звукотехник

Звукотехник

Reviews

PROS

  • Exceptional feedback suppression, even in challenging acoustic environments

  • User-friendly wizard function simplifies setup and operation

  • Minimal sound quality degradation with narrow notch filters

  • Enables significant gain increase without feedback issues

  • Reliable performance compared to other feedback controllers

  • Effective in both live and studio settings

  • Helpful gain adjustment feature for optimal input levels

  • Enhances vocal clarity in high-noise environments

  • Suitable for both beginners and experienced sound engineers

  • Adaptable to various equipment configurations and setups

CONS

  • Dependency on proper setup for optimal performance

  • Instruction manual may lack comprehensive guidance for beginners

  • Limited to two channels, requiring daisy-chaining for more monitors

  • Occasional issues with non-functional wizard button and select knob

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about DBX AFS2.

Use cases and applications

  • Effective for speech applications with portable setups, useful for non-expert users to prevent feedback in live settings.

    Source
  • Ideal for environments where non-technical volunteers manage sound, offering a safety net when feedback expertise is lacking.

    Source
  • Effective in pre-show setups to notch frequencies with minimal sound impact, ideal for high-gain speech applications.

    Source
  • The PA2's sub synth feature offers additional creative potential for users seeking enhanced bass response in their audio setup.

    Source

Features and functionality

  • Offers fixed or live filters with adjustable auto-off times (5s to 60mins), and various bandwidth settings for precise feedback control.

    Source
  • AFS2's fixed filters offer precise frequency notching, significantly less destructive than traditional GEQs, especially with live mode off.

    Source
  • The PA2's wizards include volume matching, AFS, and room EQ, which can be used with an RTA mic for effective, user-friendly room balancing.

    Source

Setup and maintenance

  • Requires correct gain structure setup to notch feedback before it becomes uncomfortable, highlighting the necessity of proper configuration knowledge.

    Source
  • A Yamaha MG10XU mixer lacks channel inserts or bus routing, limiting feedback isolation to main outputs between mixer and speakers.

    Source
  • With a simple 10-minute learning curve, PA2's wizards are intuitive, facilitating ease of use for volunteers with minimal technical training.

    Source

User experience

  • Owners note the AFS2 should not be used on main outputs as it can disrupt music, but can be beneficial for specific mic applications like handhelds or lavs.

    Source
  • Settings on the PA2 are retained even after being disconnected from power, ensuring consistent performance without reconfiguration.

    Source

Comparisons

  • AFS2's tight notches outperform older GEQs in feedback suppression, offering a modern alternative for mains level adjustments.

    Source
  • The PA2, unlike the AFS2, provides a broader scope of features, including room EQ and sub synthesis, making it more versatile for various applications.

    Source

Critic Reviews

Dbx AFS2

soundonsound.com

Dbx’s AFS2 is a user-friendly feedback suppressor that shines with its sophisticated detection algorithms and flexible filter settings, making it a reliable choice for live sound applications. The setup wizard is a standout feature, guiding even the most inexperienced users through the initial configuration effortlessly. While it does come with some tonal alterations, these are minor and ultimately worth the trade-off for the reduction in feedback issues. However, those skeptical of feedback processors may still find their reservations unaddressed. Overall, the AFS2 offers impressive performance without drastically compromising sound quality, establishing itself as a valuable tool for live audio professionals.

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Artist usage

Add artist
See how Skaidra Lapina uses DBX AFS2

Skaidra Lapina

Singer

SUKI

...
Verified

Skaidra Lapina has confirmed her use of the DBX AFS2, as stated on the MyOwnMusic page titled "SUKI Goth."

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use DBX AFS2, it is most commonly used with the following gear.

Shure SRH440
Shure SRH440 Headphones & In-Ear Monitors
1

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