Pricing and availability

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Average Price: $2,799

High-end/Boutique

$100

$501+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 3 merchants for "Kush UBK Fatso". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Dive into an ocean of warmth and unparalleled analog charm with the Kush UBK Fatso, a masterpiece that redefines your studio's sound landscape. Crafted for those who chase the elusive dream of perfect compression, this device is not just an effect processor; it's a sonic sculptor. Whether you're gluing a bass into the mix with the "Glue" setting, adding creamy thickness to vocals and guitars with "Splat", or smoothing out peaks without losing the soul of your sound in "Smooth", the UBK Fatso offers an array of textures at your fingertips. This isn't just another piece of gear; it's the heart of your analog domain, bringing life back into the digital sterility of recordings. With its blend of classic and innovative features, the Kush UBK Fatso is your ticket to a world where every note and beat is infused with depth, warmth, and musicality.

Key Features:

  • Six new preset compression curves designed by UBK, enriching the original Empirical Labs FATSO framework.
  • Modes include "Splat", "Smooth", and "Glue", each offering unique textural nuances.
  • Features soft clip technology for tape saturation emulation, smoothly clipping up to 20% THD.
  • User-adjustable high frequency saturation for tailored sonic signatures.
  • Switchable transformer circuits imitate the sonority of legendary hardware like NEVE and API.
  • Four distinct compression modes cater to various recording needs, all linkable for unified control.
  • SPANK mode introduces a limiter for dynamic range compression, preventing digital clipping.
  • Large "DISTRESSOR" knobs and distortion indicator lights for precise control and feedback.
  • Sidechain input/output for advanced signal manipulation.
  • Maintains calibrated output levels for consistent signal quality.
  • Designed for simplicity, ensuring ease of use without sacrificing sound quality.
  • Combines discrete and integrated circuits for optimal performance and reliability.
  • Offers both 110/220 volt operation and true bypass for global compatibility and signal integrity.

Product specs

Number of Channels 2
Controls Splat/Smooth/Spank (Button), Warmth, Toasty/Comfy/Linked (Button)
Frequency Response 2Hz-60khz (-3 dB)
Inputs 2 x XLR, 2 x TRS
Outputs 2 x XLR, 2 x TS
Sidechain I/O 2 x 1/4"
Rack Spaces 1U
Height 1.75"
Width 19"

FAQs

What kind of sound processing features does the Kush UBK Fatso offer?

The Kush UBK Fatso provides unique sound processing with its Splat, Smooth, and Spank modes, as well as Warmth control, allowing for versatile tonal shaping and compression effects suitable for various audio sources.

How many channels does the Kush UBK Fatso support?

The Kush UBK Fatso supports two channels, making it ideal for stereo processing or dual mono applications in a studio environment.

What are the main connectivity options for the Kush UBK Fatso?

The Kush UBK Fatso features 2 x XLR and 2 x TRS inputs, along with 2 x XLR and 2 x TS outputs, providing flexible connectivity for integrating into various studio setups.

Can the Kush UBK Fatso be used for sidechain processing?

Yes, the Kush UBK Fatso includes sidechain I/O with 2 x 1/4" connections, enabling sidechain processing for dynamic control in mixing and mastering.

What is the frequency response of the Kush UBK Fatso?

The Kush UBK Fatso has a frequency response of 2Hz-60kHz (-3 dB), ensuring a wide range of audio frequencies are accurately processed.

The House of Kush

The House of Kush

UBK Fatso by Kush Audio

Video thumbnail for UBK Fatso by Kush Audio by The House of Kush

UBK Fatso by Kush Audio

The House of Kush

The House of Kush

Video thumbnail for UBK (Gregory Scott) demos his UBK Fatso 2-channel compressor by wavedistribution

UBK (Gregory Scott) demos his UBK Fatso 2-channel compressor

wavedistribution

wavedistribution

Video thumbnail for KuSh Audio ubk Fatso Compressor @ ZenPro Audio by ZenProAudio

KuSh Audio ubk Fatso Compressor @ ZenPro Audio

ZenProAudio

ZenProAudio

Video thumbnail for Wave Distro UBK Fatso Transforms Drums by Mike Avenaim

Wave Distro UBK Fatso Transforms Drums

Mike Avenaim

Mike Avenaim

Video thumbnail for UBK Fatso Overview Part 1 (Glue Preset) by Machine City Audio

UBK Fatso Overview Part 1 (Glue Preset)

Machine City Audio

Machine City Audio

Video thumbnail for UBK Fatso by Hideyuki Daichi Suzuki

UBK Fatso

Hideyuki Daichi Suzuki

Hideyuki Daichi Suzuki

Video thumbnail for Wave Distro UBK Fatso: Secret Weapon for Vocals, Guitar & Bass by Mike Avenaim

Wave Distro UBK Fatso: Secret Weapon for Vocals, Guitar & Bass

Mike Avenaim

Mike Avenaim

Video thumbnail for Taming Harshness With The UBK Fatso (Warmth Feature) by Machine City Audio

Taming Harshness With The UBK Fatso (Warmth Feature)

Machine City Audio

Machine City Audio

Video thumbnail for UBK FATSO Hands-On Impressions with Paul "Willie Green" Womack by wavedistribution

UBK FATSO Hands-On Impressions with Paul "Willie Green" Womack

wavedistribution

wavedistribution

Reviews

PROS

  • Simple to use with amazing results

  • Two channel compressor and tape saturator adds analog warmth

  • Enhances digital instruments with class, depth, and 3D-ness

  • Versatile compression presets suitable for individual sounds to whole mixes

  • High frequency limiter adds versatility (e.g., de-essing, warming up sounds)

  • Saturation feature greatly preferred over digital for its authentic sound

  • Trafo button thickens sounds pleasingly

  • Effective in both stereo and dual mono applications

  • Improves sound quality across a wide range of styles

  • Can be used lightly for coloring or more intensely for distinct effects

CONS

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Kush UBK Fatso.

Comparisons

  • The UBK Fatso hardware compressor is noted to have an edge over its software counterpart when budget allows.

    Source

Features and functionality

  • The UBK Fatso excels in drum and percussive track compression, enhancing dynamics effectively.

    Source
  • Exploring the side-chain inserts can significantly enhance functionality, offering a wider range of creative options.

    Source

Software and compatibility

  • Kush plugins can be CPU intensive, potentially causing playback issues on less powerful setups.

    Source

Use cases and applications

  • The UBK Fatso is highly recommended for parallel slamming a snare bus and enhancing bass with heavy saturation to improve mix presence.

    Source
  • The UBK Fatso is often used effectively as two mono channels rather than stereo, especially on kick and snare.

    Source

User experience

  • Some users find Kush plugins challenging due to unclear control labeling, requiring experimentation to understand their functions.

    Source
  • After powering off/on, output levels may slightly vary, requiring manual adjustment via physical knobs for consistent balance.

    Source

Value and pricing

  • There is a preference for purchasing standalone plugins like AR-1 and UBK-1 over subscription models for cost-effectiveness.

    Source

Setup and maintenance

  • Stereo balancing can be challenging; users suggest using a spectral meter or DAW send fader to manage stereo levels more effectively.

    Source

Build quality

  • Some owners express a preference for stepped pots to simplify stereo adjustments and maintain balance more easily.

    Source

5.0 out of 5

Based on 0 Reviews and 3 Ratings

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Artist usage

Add artist
See how Oneohtrix Point Never uses Kush UBK Fatso

Oneohtrix Point Never

Music Producer

Ford & Lopatin

...
Verified via MusicRadar

In a February 2016 interview with MusicRadar, Oneohtrix Point Never's studio photos reveal the Kush UBK Fatso prominently placed near the top of his rack, highlighting its role in his production setup.

See how Dave Gahan uses Kush UBK Fatso

Dave Gahan

Singer, Composer

Depeche Mode

...
Verified via Sonicscoop

You can spot the FatSo in a pic here.

See how Nosaj Thing uses Kush UBK Fatso

Nosaj Thing

Music Producer

...
Verified via XLR8R

In a feature by XLR8R, Nosaj Thing is shown using the Kush UBK Fatso in his studio setup.

See how Charlie Clouser uses Kush UBK Fatso

Charlie Clouser

Keyboardist, Composer

Nine Inch Nails

...
Verified via Vintage King Blog

"For me, the essential gear is anything that can really put the hurt on a signal, like my UBK Fatso and lots of guitar pedals, especially the Electro-Harmonix stuff. Their SuperEgo, Freeze, POG2 and Pitch Fork are recent favorites, and I still get a lot of use out of my Zvex pedals, MXR/Dunlop Hendrix fuzz, and of course the green Line6 delays, both pedal and rack."

See how Ian Hultquist uses Kush UBK Fatso

Ian Hultquist

Guitarist, Keyboardist

Passion Pit

...
Verified via Photo

In this rack photo by Hultquist, the UBK Fatso can be seen in the board.

See how Neeraj Khajanchi uses Kush UBK Fatso

Neeraj Khajanchi

Music Producer, Audio Engineer

...
Verified via YouTube

In a YouTube video by 作曲家・和田貴史の庭, Neeraj Khajanchi is shown using the Kush UBK Fatso in his studio, NK SOUND TOKYO. This analog effects processor is known for adding distinct analog warmth and color to recordings.

Album Usage

The Kush UBK Fatso has been featured on the following albums:

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 Kush UBK Fatso, it is most commonly used with the following gear.

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