SSL® 4000 G Bus Compressor Collection

SSL® 4000 G Bus Compressor Collection


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The ultimate “glue” for your mix bus,
re-modeled with stunning accuracy.

Integral to the hit-making SSL sound, the G Bus Compressor is legend for making mixes bigger, more powerful, and punchy, all the while enhancing cohesion and clarity. Fully endorsed by Solid State Logic, Universal Audio proudly unveils the SSL 4000 G Bus Compressor Collection for UAD-2 hardware and Apollo interfaces — an expert end-to-end circuit emulation that goes further than UA’s original standard-defining SSL G Bus Compressor plug-in.

Now You Can:

Mix with a jaw-dropping update of the iconic SSL G Bus Compressor

Give power, cohesion, and drive to mixes, buses, or any source

Harness new features like Side Chain Filtering, Mix, and Headroom controls

Mix with artist presets from Just Blaze (Beyoncé, Kendrick Lamar), Peter Mokran (The Flaming Lips, Mary J. Blige), Ian Boxill (Prince, Tupac), and more

Take a Listen

Take a Listen
The Only End-to-End<br />SSL Bus Compressor Emulation

The Only End-to-End
SSL Bus Compressor Emulation

Embarking on a ground-up re-design of the original SSL G Bus Compressor plug-in, UA’s team of engineers meticulously remodeled every nuance of the in-console and FX G384 rackmount specimens, including their unique CV (control voltage) summing. By capturing all of its circuit behaviors, the new SSL G Bus Compressor plug-in gives you all of the famed SSL hallmarks — punchy, transparent glue, and an ultra-accurate stereo image.

Original Recipe

Original Recipe

From subtle and transparent dynamic control to more aggressive textures with peak limiting, the SSL G Bus Compressor plug-in’s simple, intuitive control set lets you quickly dial in what you need. The fixed Attack and Release controls are SSL-voiced for bus functionality, including the program-dependent Auto Release function. Conjure "barely a wiggle" 2-bus glue, or "bury the needle" full dynamic crush with the continuous Threshold control.

Custom Enhancements

Custom Enhancements

New workflow features make the SSL G Bus Compressor Collection even more vital for the modern producer/engineer. The internal Side Chain Filter allows you precise tailoring of low frequency response to reduce low-end “pumping,” while the Mix control provides inline dry/wet processing — perfect for quick parallel compression on a drum or vocal bus. The Headroom control lets you adjust the overall operating level of the plug‑in.

Fade to Black

Fade to Black

Just like the console units, the new SSL G Bus Compressor features the original Auto Fade feature, providing the signature SSL fade taper, up to 60 seconds. With the new SSL G Bus Compressor, plus the included DSP-lite SSL G Bus Compressor Legacy plug-in, you can craft your projects with Platinum‑selling sound.


Painstakingly modeled by Universal Audio's plug-in design team, licensed and authenticated by Solid State Logic

Beloved 4000 G era compressor design, measured from the all-discrete hardware

Specially tailored dynamic characteristics ideal for compressing full mix or subgroups

Provides the entire circuit path and control set of the stereo dual-VCA compressor

Signature 4000 G features include fixed range Attack and Release including program-dependent "Auto" release, and Auto Fade

Plug-in exclusive features include SC Filter, Dry/Wet parallel processing and Headroom for user-customizable operating level

Includes low-DSP Legacy SSL G Bus Compressor plug-in

Includes presets from Just Blaze (Beyoncé, Kendrick Lamar), Peter Mokran (The Flaming Lips, Mary J. Blige), Ian Boxill (Prince, Tupac), and more

Customer Reviews

SSL 4000 G Bus Compressor Collection


L. Antinori

July 26, 2017

Sooo good!

sooo good! Punchy and gluey

G. Maga

July 24, 2017

Instant satisfaction

Check out the presets as well. The side chain filter and the mix feature added are worth the money if you consider upgrading from the previous version.

b. henry

July 21, 2017

There it all is!!!

This is the ESSENTIAL tool for making since of your mixes.

n. mendez

July 19, 2017

To G or not to G

Well If you don't have the Ability like most of Us to own a full SSL Rig ,it's a Must to get the entire magic circuitry and put it in your arsenal ,Then you can more confidently reach Your full SSL sound on your mixes and Masters ..


July 19, 2017

SSL on Top !

Glue, Glue, Glue !!!
A must have plugin !


July 18, 2017


Very successful, good result

W. Khin

July 16, 2017

Completes my SSL Collection :-)

Used the real SSL console before. What a great feeling to have all the SSL collection form UAD. This completes my SSL collection. A little bit of G Bus compressor at mix bus for every track I mix. Never did harm :-)

A. Matouk

July 14, 2017

Best Software Emulation on the Market

The SSL 4000 G Bus Compressor Collection is a must have for every Pro !

J. Raper

July 13, 2017


This SSL Bus Comp can give you everything you need. From "Glue" to "Punish". Great for drums and mix bus and anything else you can think of. HPF is a welcome addition and compliments this plugin greatly.

P. Reynoso Rodriguez

July 12, 2017


quiero un cupon

UAD User

July 10, 2017

Yup, that's the one

Bucks like a wild stallion - so much punch and when you use the HPF, the bottom end really comes to life, while the top ends remains glued and energized. It's really magic. Best compressor plugin I've tried hands down - and wets all over the other versions. Does it sound like the hardware? No idea. But it rocks. Go to this before the API 2500 I reckon. It's all about subtlety though, a little bit goes a long way with this guy and small changes to the threshold can have a big impact.

J. Volinsky

July 10, 2017

Love this Plugin.

It's really true. This Plugin is the glue! Sounds Amazing.

D. Weissheim

July 10, 2017

Want the hardware

Just demoed this bad boy and upgraded straight from the legacy. Like the sidechain and the sound is outstanding. Now I need a hardware to compare and mayyyybe to go next level. Thank you Uad for this kind of upgrade to my sound!

J. krassowski

July 9, 2017

best bus compressor

my new goto Bus compressor!!!!...i dont know the hardware and i dont care if this sounds like the original, but it sounds amazing on all kind of bus duties...great job UA!!!

C. Huseyin

July 4, 2017

Yeah, it's good. Congratulations UA.

I've pretty much used all emulations of this compressor from around the net and the UA version(s) are at the top of the list. Congratulations UA, you guys have much talent that's appreciated.

I stil can't get over the fact this is all still software.

B. Rico

July 1, 2017


What can I say other than this Compressor does what its supposed to do... and it does it very well!

W. Machado

June 29, 2017


This thing glues your sound so easily and it is very addictive. It is perfectly modeled by the UAD Team.

P. Jonsson

June 29, 2017

Happy days

Awesome for that final touch :D

M. Gooderson

June 29, 2017


I compared this new bus compressor to my API lunchbox SSL bus comp. I prefer the sound of the UAD.

Goodbye hardware hello plug in!

R. Manfredi

June 29, 2017


Sounds amazing and the mix knob comes in handy!

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