Precision K-Stereo™ Ambience Recovery

Precision K-Stereo Ambience Recovery


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Widen your mixes and recover the natural ambience of your recorded sources.

The Precision K-Stereo Ambience Recovery plug-in for UAD-2 and Apollo interfaces allows you to precisely enhance the stereo depth and imaging of your mixes without unwanted artifacts.

Created for the UAD platform with famed mastering engineer Bob Katz, the Precision K-Stereo plug-in is designed for critical 2-track mastering applications — from jazz to rock to hip-hop — and is the natural-sounding cure for busy or narrow-sounding mixes.

Now You Can:

Add depth and imaging to instruments and vocals without adding artificial reverb

Extract ambience from source material, naturally, adding depth and width to the stereo field

Harness Mid/Side gain controls adjust the center-to-side balance of mixes

Tweak further with powerful three-band Ambience Filter EQ

5-Min UAD Tip
5-Min UAD Tip

5-Min UAD Tip

In this video, learn how to widen your mix and give a drum overhead mic more of a room sound with the UAD Precision K-Stereo Ambience Recovery Plug-In.

Key Features

Unique ambience recovery and stereo processing tool, created and patented by famed mastering engineer Bob Katz
Extracts ambient cues from the source material, naturally adding depth and width to the stereo field
Perfect for fixing busy or “narrow” mixes at the mastering stage
3-band Ambience Filter EQ for further shaping the effect
Mid/Side gain controls adjust the center-to-side balance
Left/Right Gain controls for final stereo image balancing and leveling
Custom user presets created by Bob Katz
Requires UAD-2 DSP Accelerator Card or Apollo Interface, available from authorized dealers worldwide

Customer Reviews

Precision K-Stereo Ambience Recovery

Overall Rating

J. Romero

March 10, 2020

A must for your mixes

I am a producer/engineer and well as an Artist... I have produced and mixed for Bruce Kulick (Kiss, Grand Funk Railroad), Co produced a song on Ace Frehley's new record, Todd Kerns (Slash) and Flavor Flav (Public Enemy) to name a few. This plug in is a must for big wide back up panning vocals, guitars as well as other instruments with stereo panning.
I love the old big console sound, so besides the K Stereo, I use UA's Neve Pre Amps, SSL 4000 console with UA's tape emulator and you get the BIG WIDE WARM TONES with the saturation that real tape gives.

L. Banks

March 7, 2020

Big Sides

I was introduced to this plug-in by a friend that just so happens to be a mastering engineer. I use it to instantly add width and liveliness to stereo instruments. You definitely need to be selective when choosing where to use it and dialing in the settings. But with a decerning ear, it can add just enough to make a sound sit better in a mix.

C. Gould

February 8, 2020

Precision K-Stereo

Does pretty much what it says on the tin. Definitely more a salvage tool to put a little width into recorded files with locked reverb. But no substitute for getting it right in the first place! Nice to have in your tool kit but not an essential piece of kit.

M. Alain

February 4, 2020

Precision K-Stereo 

Très bon plugin

M. Alain

February 4, 2020

Precision K-Stereo 

Très bon plugin

K. Matzafleris

January 20, 2020

The Magic of Stereo Imaging

I'm so happy with the use of Precision K-Stereo plug-in; it’s giving me the stereo image and the room that I was missing from my mixes. I use it every single time at my Buses and at my master chain plug-ins to give me the finishing stereo imaging and depth of dimension touch.

S. Perdomo

December 22, 2019

Is like magic!

Soonest i open it, i heard my track more wider and brilliant.

M. Cafeo

December 15, 2019

Bob Katz Creations and Philosophy are Great!

Firstly, especially this time of the year, but also with not a full project to use, reviews on recent purchases are hard to find time for.
But with this one, and being fans of Mr. Katz and his goals about audio in general but especially bit and sample rates, I made a little time away from family, music projects for 2020, everything and everyone!
K-STEREO AMBIENCE RECOVERY is another of several that came from the philosophy Mr. Katz had to create the K-SYETEM.
We’re fans of Bob Katz!
read more here >,_K-stereo_and_K-surround
learn more about Bob here >
Thanks Universal Audio
Happy Christmas and New Years !

J. Rubio Almanza

December 10, 2019

Precision K-Stereo Ambience Recovery

Very useful and simple plugin to recover the stereo or to force it.

H. Song

November 15, 2019

Wide! Easy to use!!!

It's very easy to use, a great tool to make sound Wider.
Not like other plugins, K-Stereo can make a solid sound, but transparent with vivid!
A great choice!

H. Song

November 15, 2019

Wide! Easy to use!!!

Easy to use, make your sound wider easily!
Solid but transparent with vivid!

P. Uszyński

November 14, 2019

More than stereo!

This little thing is really special. It can widen your sound and it's great at it. It can also give your mono sources that signature K-Stereo ambience which makes thing shine in the mix so nicely. I have been using it with synths for quite some time, now started applying it to vocals. All with terrific results!

S. Auclair

October 16, 2019

Wide controlled STEREO Spread!

I use it on all my mixes ;)))

j. colin

September 19, 2019

Essential for every engineer

Depth, width, thumb!! all of the good stuff to make that mix hit!!!

j. colin

September 19, 2019

Essential for every engineer

Depth, width, thumb!! all of the good stuff to make that mix hit!!!

S. rubino

September 17, 2019

Prezzi più contenuti.

Plug in che fa il suo lavoro,l’unica pecca come tutti i plug in uad è il costo un po’ esagerato nella sfera totale di plug in per audio.
Si acquisterebbe molto di più se i prezzi fossero contenuti.
Per là qualità tutto ok.

A. Kouvatsis

May 25, 2019

K-Stereo Is must

It's more than fantastic. It gives what is needed for a professional sound. No big difference, but it is as long as the final result has to shine. If you want to stand out, you get it

G. Funes

May 13, 2019


It does his one trick pony very well

A. Clark

April 10, 2019


Literally use this on every track. One of the most reliable stereo imagining plug ins I have ever used. I honestly didn't want to get it because of the price and it never being on sale but after one demo I realized there was no way to recreate how great it sounded with anything else in my arsonal. Great plug-in, worth every penny.

A. Warren

March 25, 2019

Nice addition to the armoury

Ok so I watched the add and tried the demo. Use just a little or on Mono tracks
I bought it. It does exactly what it says. It's simple to use.