Pricing and availability

We compare 600+ stores and found this item at 5 stores. Prices updated .

Sweetwater
$1,415.00
Guitar Center
4.0 (1)
$1,415.00
Amazon
3.8 (8)
$1,415.00
Reverb
5.0 (2)
$333.90 4 available Used
Musician's Friend
4.0 (3)
$1,415.00

Average Price: $1,199

High-end/Boutique

$100

$501+

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Price History

Based on price data from 3 merchants for "dbx iEQ31 Dual Channel 31-Band EQ/Limiter w/ Type V Noise Reduction & AFS Advanced Feedback Suppression". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The dbx iEQ31 Dual Channel 31-Band EQ/Limiter is your gateway to unmatched sonic precision and control. This effects processor is a must-have for any serious musician or audio engineer looking to achieve a pristine audio output. With its heritage rooted in over 30 years of EQ excellence, the iEQ31 stands as a testament to dbx's commitment to sonic integrity.

Equipped with Advanced Feedback Suppression (AFS) and Type V Noise Reduction, this EQ ensures that your sound is clean and feedback-free, even in the most challenging environments. The PeakStopPlus limiting feature further protects your system by preventing overloads and distortion. Whether you're in the studio or live on stage, the iEQ31's dual 31-band channels offer precise 1/3-octave equalization, ensuring your sound is exactly how you envision it.

The iEQ31's intuitive design includes user-friendly 40mm faders and nonconductive nylon sliders, allowing for smooth adjustments. Its versatile connectivity options, including XLR, TRS, and Euroblock inputs and outputs, make it adaptable to any setup. With a frequency response of 10Hz to 22kHz and a dynamic range exceeding 110dB, this EQ is engineered for clarity and depth.

If you're seeking a blend of modern digital performance with an analog feel, the dbx iEQ31 is your definitive choice, offering exceptional flexibility and reliability for any audio application.

Key Features:

  • Dual 31-band EQ with 1/3-octave Constant Q frequency bands
  • Advanced Feedback Suppression (AFS) for feedback-free performance
  • Type V Noise Reduction for cleaner sound
  • PeakStopPlus limiting to prevent overload and distortion
  • Switchable boost/cut ranges of ±6 or ±15dB
  • ±12dB input gain range
  • 40mm faders and nonconductive nylon sliders
  • 10Hz to 22kHz frequency response
  • Over 110dB dynamic range
  • Internal toroidal transformer for consistent performance
  • XLR, TRS, and Euroblock balanced/unbalanced RF-filtered inputs and outputs

Product specs

Number of Bands 2 x 31-band
Q Type Constant
Boost/Cut Range ±6, ±15 (Switchable)
Low Cut Filter 40Hz, 18 dB/octave
Faders Throw Medium-throw
Analog Inputs 2 x XLR, 2 x 1/4", 2 x 3-pin Euroblock
Analog Outputs 2 x XLR, 2 x 1/4", 2 x 3-pin Euroblock
Rack Spaces 3U
Power Source Standard IEC AC cable
Height 5.25"
Width 19'
Depth 7.9"
Weight 9.25 lbs.

FAQs

What is the primary function of the dbx iEQ31 Dual Channel 31-Band EQ?

The dbx iEQ31 is a dual-channel, 31-band graphic equalizer designed to precisely adjust audio frequencies, providing detailed tonal shaping and feedback suppression for live sound and studio applications.

How does the AFS Advanced Feedback Suppression feature work on the dbx iEQ31?

The AFS (Advanced Feedback Suppression) feature automatically detects and reduces feedback frequencies, allowing for clearer sound in live performances without manual intervention.

What connectivity options are available on the dbx iEQ31?

The dbx iEQ31 offers balanced and unbalanced inputs and outputs, including XLR, 1/4" TRS, and Euroblock connectors, ensuring compatibility with a wide range of audio equipment.

Can the dbx iEQ31 handle both balanced and unbalanced signals?

Yes, the dbx iEQ31 is equipped to handle both balanced and unbalanced signals, providing versatile connectivity through its XLR, 1/4" TRS, and Euroblock inputs and outputs.

What is the purpose of the Type V noise reduction in the dbx iEQ31?

The Type V noise reduction feature in the dbx iEQ31 minimizes unwanted noise and hum, enhancing audio clarity and overall signal quality in both live and studio settings.

How does the PeakStopPlus limiting feature benefit audio processing on the dbx iEQ31?

The PeakStopPlus limiting feature provides protection against signal overloads by limiting peaks, ensuring consistent audio output without distortion or clipping.

Reviews

PROS

  • Excellent sound quality with digital EQ capabilities

  • Integrated limiter can be a lifesaver during performances

  • Reliable performance for some users over extended periods

  • Compatible with dbx AFS 224 for enhanced feedback suppression

  • Dual-channel 31-band EQ provides detailed frequency control

CONS

  • Feedback suppression can be slow to react

  • Issues with volume fluctuations during use

  • Freq faders lack lights for visibility in low light

  • Some units experience frequent failures and need repairs

  • One channel may fail within a year of use

  • High price compared to similar products with better longevity

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