Pricing and availability

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

Sweetwater
$2,499.00
Amazon
$2,499.00
Reverb
5.0 (4)
$1,850.00 3 available Used
zZounds
$2,499.00
B&H
$2,499.00
Thomann
$3,199.00

Average Price: $2,172

High-end/Boutique

$49

$150+

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High-end

Price History

Based on price data from 4 merchants for "Empirical Labs Lil FrEQ". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unleash your sound's full potential with the Empirical Labs Lil FrEQ, a versatile powerhouse engineered for demanding audio professionals. This 8-section signal processor combines the precision of a parametric equalizer with the control of a de-esser, all in one compact 1U rack space. Whether you're sculpting the perfect vocal track or fine-tuning a complex mix, the Lil FrEQ stands ready, offering a seamless blend of analog warmth and cutting-edge functionality.

At the core of the Lil FrEQ are its four fully parametric EQ bands and two shelving EQs, each designed to deliver exceptionally smooth and musical boosts or cuts. The high-pass filter features a steep curve that maintains your sound's integrity just above the cutoff, while the intuitive layout with individual bypass switches for each section allows for real-time A/B testing.

The dynamic section is where the Lil FrEQ truly shines. It combines tunable filters with a soft-knee high-frequency limiter, perfect for controlling sibilance and other sharp transients. This makes it an indispensable tool for vocal tracks, snares, and bass, having been a staple on countless hit records and live performances around the globe.

The Lil FrEQ's DC-coupled circuitry ensures pristine audio quality without the aging issues associated with capacitors, promising consistent performance session after session. With inputs for both XLR and 1/4" TRS, this unit is as versatile as it is reliable.

Key Features:

  • 8 processing sections including parametric EQ and de-esser
  • 4 fully parametric EQ bands with individual gain, Q, and frequency controls
  • High-pass filter with eight preset frequencies
  • DC-coupled inputs and outputs for pure sound quality
  • Dynamic EQ section with soft-knee high-frequency limiter
  • XLR and 1/4" TRS inputs and outputs
  • Frequency response: 5 Hz - 140 kHz
  • Dynamic range: 120 dB

Product specs

Number of Channels 1
Bypass Yes
Number of Bands 4
High Pass Filter Yes
Q Type Variable
Boost/Cut Range ±14
Freq Range High 0.9kHz-20kHz
Freq Range Hi-Mid 0.4kHz-10kHz
Freq Range Lo-Mid 100Hz-2700Hz
Freq Range Low 40Hz-600Hz
Inputs 1 x XLR, 1 x 1/4" TRS, 1 x 1/4" (instrument)
Outputs 1 x XLR, 1 x 1/4", 1 x XLR (class A transformer)
Frequency Response 3Hz-180kHz (-3dB)
Rack Spaces 1U
Height 1.75"
Width 19"

FAQs

What makes the Empirical Labs Lil FrEQ unique compared to other equalizers?

The Empirical Labs Lil FrEQ combines a parametric equalizer with a dynamic de-esser in a single unit, offering extensive frequency shaping capabilities across seven sections and covering every frequency at least twice.

How many bands does the Empirical Labs Lil FrEQ offer for equalization?

The Lil FrEQ provides four bands of parametric equalization, allowing precise control over a wide range of frequencies for detailed sound shaping.

What types of inputs and outputs are available on the Lil FrEQ?

The Lil FrEQ features 1 x XLR, 1 x 1/4" TRS, and 1 x 1/4" instrument inputs, along with 1 x XLR, 1 x 1/4", and 1 x XLR class A transformer outputs.

Does the Empirical Labs Lil FrEQ include a high pass filter?

Yes, the Lil FrEQ includes a high pass filter, which helps remove low-frequency noise and rumble from audio signals.

Can the Empirical Labs Lil FrEQ be bypassed?

Yes, the Lil FrEQ features a bypass option, allowing you to compare the processed and unprocessed signals easily.

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wavedistribution

Empirical Labs Lil FrEQ Overview

Video thumbnail for Empirical Labs Lil FrEQ Overview by wavedistribution

Empirical Labs Lil FrEQ Overview

wavedistribution

wavedistribution

Video thumbnail for Empirical Labs Lil Freq Equalizer @ ZenPro Audio by ZenProAudio

Empirical Labs Lil Freq Equalizer @ ZenPro Audio

ZenProAudio

ZenProAudio

Video thumbnail for Empirical Labs Lil FrEQ by gearwire

Empirical Labs Lil FrEQ

gearwire

gearwire

Video thumbnail for Empirical Labs Lil FrEQ Overview by Empirical Labs Inc.

Empirical Labs Lil FrEQ Overview

Empirical Labs Inc.

Empirical Labs Inc.

Video thumbnail for Empirical Labs Lil frEQ 2 Minute Tones - Empirical Labs Lil frEQ Model EL-Q Equalizer by American Musical Supply

Empirical Labs Lil frEQ 2 Minute Tones - Empirical Labs Lil frEQ Model EL-Q Equalizer

American Musical Supply

American Musical Supply

Reviews

PROS

  • Exceptional for capturing vintage synth sounds

  • 8 processing sections with distinct utility

  • DI quality rivals top preamps; offers versatile outputs

  • Superb on vocals; significantly reduces post-processing EQ needs

  • De-esser effectively smoothens harsh sibilance

  • Clean sound enhances recordings without unwanted coloration

  • Compatible with other gear, like Mike-E preamp, for improved recording quality

  • Saves time in mixing and editing with its effective EQ and de-esser

CONS

  • Lacks the distinct inductor or tube sound some may seek

  • Transformer output is the primary option, limiting variety

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Empirical Labs Lil FrEQ.

Features and functionality

  • The Empirical Labs Lil FrEQ is frequently used both as a DI and for its EQ capabilities, often combined with other devices like the REDDI or Universal Audio LA 610.

    Source

Comparisons

  • While the REDDI is praised, it is noted to be less travel-friendly compared to the Empirical Labs Lil FrEQ, which is described as versatile both in studio and live setups.

    Source

Use cases and applications

  • The Lil FrEQ is part of a broader signal chain including the Langevin Mini Massive and API 5500 for EQ, highlighting its role in complex audio setups.

    Source

User experience

  • Owners mention using the Lil FrEQ as part of a dual-input setup, indicating its flexibility in handling multiple audio sources.

    Source

Software and compatibility

  • Some users note that hardware options like the Lil FrEQ have plug-in equivalents, suggesting a hybrid approach to studio setups.

    Source

Critic Reviews

Empirical Labs: Lil FrEQ | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.

tapeop.com

Empirical Labs Lil FrEQ review on audiotechnology.com

audiotechnology.com

Based on 0 Reviews and 0 Ratings

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Artist usage

Add artist
See how James Blake uses Empirical Labs Lil FrEQ

James Blake

Singer, Keyboardist

...
Verified via Mixonline

This interview says James Blake uses the Empirical Labs Lil Freq for his live vocal EQ

See how Angger Dimas uses Empirical Labs Lil FrEQ

Angger Dimas

Music Producer

...
Verified via Photo

"See that shit on the top? - LIL FREQ just blew my mind off! MAD RESPECT!! @bigknob_audio @empiricallabs"

See how Peter Schmidt uses Empirical Labs Lil FrEQ

Peter Schmidt

Audio Engineer

...
Verified via Photo

In this photo from an interview with Amazona.de, it is confirmed that Peter Schmidt uses the Empirical Labs Lil FrEQ.

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 Empirical Labs Lil FrEQ, it is most commonly used with the following gear.

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1
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