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With twelve powerful sections of processing, BIG FrEQ offers the ability to create modern “flat-top” parametric shapes with an analog workflow and added controls for more tone-shaping possibilities than a typical EQ plug-in. Inspired by the precision and warmth of Empirical Labs Lil FrEQ parametric equalizer, BIG FrEQ introduces superior fine tuning controls for surgical tone shaping and a unique FINISHER section for adding organic harmonic distortion. Like the plug-in’s predecessor, the Arousor, Empirical Labs brings the soul of analog hardware to the digital realm and includes features that can not be replicated in the analog domain. As always, Empirical Labs offers new twists and functionality to their new plug-in EQ and labors over making it mindless to learn, and just plain FUN to use.


Flat Top Shapes

Create modern tone curves with the added SLOPE control on each parametric band. This fourth EQ parameter steepens the edges of the curve creating a plateau shape allowing more frequencies to be adjusted equally.

Analog Saturation

Dial in organic, tape-like saturation with the unique FINISHER section and know how much saturation is being applied with the saturation meter. 

Focus Mode

Switching on the FOCUS mode will center the selected frequency and reduce the range of FREQ knob for easy fine tuning.

More Range

Expand the range of the GAIN knob an extra 15dB by toggling the RANGE mode for more dramatic boosts and cuts. 

What's New in BIG FrEQ 1.3

  • AAX-DSP and VENUE (S6L) support
  • Improved CPU on Windows and Mac, across all common platforms
  • Added A/B Compare
  • Refinements to ELI Built-In Preset Menu
    • Added “Save” and “Save As” options, for current preset or setting.
    • Preset becomes italicized to indicate changes have been made to it.


“Big FrEQ is an EQ on steroids with a number of unique twists.”
Bobby Owsinski
Surround remixing of Jimi Hendrix, The Who, Pantera, and more.
“This plugin has immediately found it’s way into my very small pile of heavy rotation tools”
John Paterno
Robbie Williams, Lustra, Robben Ford, Bonnie Raitt, etc.
"Save As User Default!!!! This new EQ plugin from the ears and mind of Dave Derr is so awesome.”
Greg Wells
Katy Perry, Twenty One Pilots, OneRepublic, etc.
“I’ve never had anything like this amount of control.”
Tchad Blake
James Bay, Tom Waits, Sheryl Crow, etc.

Try the BIG FrEQ for Free for 15 days.

• Download the BIG FrEQ Installer at the link the link below.
• Install the BIG FrEQ and click “TRY” the first time it is opened.
• An iLok USB Generation 2 or higher or iLok Cloud is required to use the BIG FrEQ.


Buy the BIG FrEQ on our store.

• When you purchase the BIG FrEQ from our online store you get 1 license with 2 activations when you redeem your activation code.
• Get free updates and support.
• An iLok USB Generation 2 or higher or iLok Cloud is required to use the BIG FrEQ.



Pay Monthly or Annually.

• $4.99/month or $49.99/year

• Get access to BIG FrEQ at a low monthly price!

• iLok USB or iLok Cloud Required

$2.99/month or $29.99/year


Pay Monthly towards a Perpetual License

• $9.95/month, 20 Payments

• Pause or Cancel at any time

• iLok USB or iLok Cloud Required

$9.95/month for 20 months


Join the Community

Follow the Big FrEQ Thread on Gearspace

User Reviews

25 reviews for BIG FrEQ

  1. Todd Mushaw

    BigFreq changed the way I mix for the better imho. Awesome release. I’m highly anticipating the future development.

  2. tom edwards

  3. Sound_Hawk

    I really love the tonality of the plugin and the curves are smooth. Every now and then I have some issues with the plugin failing to launch and showing no presets or the gui behaving a bit odd. This might be the early phase and I am expecting an update would fix it. I was expecting such issues as I purchased the moment it was even ready before the official launch but so saying I am really happy with this plugin and I recommend everyone to try it.

  4. Brandt Gassman

    As a user of Empirical Labs products for 12 years running, I was justifiably excited by their new EQ plug-in. That loyalty was rewarded!

  5. OL70

    As of now, Big FrEQ has become my go-to EQ plugin when I look for character, especially for drums. Great sound, easy to dial in.
    I’m looking forward to the revisions and hope ELI will make a good plugin great.
    Things to improve:
    – GUI (no dealbreaker for me though)
    – Frequency chart is often misleading and does not display the changes correctly
    – Option to change the frequency and the Q of the shelves (this is the main point for me)

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