SSL® 4000 G Bus Compressor Collection

SSL® 4000 G Bus Compressor Collection





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.

Watch The Reviews


      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


      SSL 4000 G Bus Compressor Collection

      T. Mandylas


      Outstanding.. Even made me emote, it's THAT good!

      If you have a UAD system, don't even bother loading up a native SSL bus comp emulation again.. There's no point.. NONE of them, and i mean none, come even remotely close to this.. I own, or have tried them all..IK, Waves, Duende, PSP, even the much loved (and best native version) Cytomic.. The UAD one even improves mixes that are heavily too compressed already.. by adding life and dynamics BACK...The mojo is all there.. It gives me tingles every time I turn it on.. And with the addition of parallel knob and HP filter, it just makes it all the more versatile. Don't think this is for busses only.. you'd be surprised how many sources it sounds great on.. But yes, it is definitely the quintessential plugin to permanently sit on your master bus when you mix.. No matter your music style, it works. Drum Bus, instrument bus, Master bus.. Truly wonderful plugin. Thank you UA.

      P. Moshay


      Believe the hype

      Yes this unit has been on my master bus forever and now i can use it on all the stems as needed too..... its a mainstay for me now.

      G. Jennings


      Still Digging It

      I tried the demo and the decision to purchase was instantaneous. It just has a "thing". It's a glue without any lack of clarity.

      D. van Haarlem


      The upgrade is definitely worth it!

      I got some coupons and bought this upgrade. I used it to replace instances in a few of my old sessions of to hear the difference. To my surprise it was a BiG difference. The tracks came out more solid, more present and with the same glue quality that the SSL bus comp is so well known for. Well done Universal Audio!

      A. Korotkov


      5 stars

      Really transparent master bus compressor, nothing else to say.

      G. Divirgilio


      glue on master

      on master buss and/or on my subgroups this is always the perfect choice. It adds glue and punch, more better than whatever SSL 4000 G plugins I ever tried.

      m. Da Vinci


      the real thing

      this sounds so much like the real thing open and fat!

      S. Grimm


      Great sounding masterbus glue within seconds

      I use this plugin mainly on the masterbus and it does it's job very well! The glue it adds to the mix is awesome, and you can dial it in within seconds. Great plugin!



      Upgrade worth it.

      Upgraded from the legacy SSL Buss Compressor. The SSL 4000 G Buss Compressor has distinct improvement immediately noticeable.

      M. Buracchi


      I love it

      this instrument solves and gives color to all that I register

      D. Brown


      Nice Buss

      Glue Glue Glue....

      H. Kim


      본래 기능에 충실한 버스 컴프레서

      타사 SSL4000 버스 컴프레서에서 느껴지는 peaky한 느낌이 덜 하여 자칫 답답하게 들릴 수도 있으나 오히려 원치 않는 컬러링이 적은 편이라 느껴집니다. 모던 컴프레서에서 볼 수 있는 MIX노브가 추가된 점이 좋았으나 make up gain이 레벨을 줄이는 방향으로도 있었으면 하는 아쉬움은 있습니다.

      P. Reynoso Rodriguez


      the best compressor

      it sounds very transparent and at the same time adds a very analog heat and pastozo

      s. bracke


      Great SSL emulation that opens up your mix.

      This plugin is quickly becoming my favourite compressor for the stereo & drum buss. It opens up the mix and gives it a tightness that i have not found in any other SSL emulation.

      S. Moniz


      Mix Bus Resident

      Had to get this version since I loved the legacy version so much. Almost always on the mix bus.

      A. Porcelli


      Ottimo compressore

      Compressore ottimo e davvero vicino all'originale.

      b. hughes


      Ahh the Glue Spank

      I've found tis a handy tool to either gently (or not so gently) throw across a mix, or sub group, or individual track. Controls things quite nicely.

      P. Marriott


      Essential to every mix...

      From Unique Recordings to Powerplay Studios to Hit factory to my home studio the SSL sound has been apart of my work since the 80's and Universal Audio captured it perfectly!

      D. Nelson-Ashley



      a step up from the previous had emulation

      B. Tochilin


      Probably my Favorite SSL G Comp

      I have a Hardware SSL G comp. I do think the hardware sounds better than any of the software I have used including this one. I do think this is the best software G comp I have used. When I need two G comps I use this one. Like on Drums when I have my hardware on the master buss. I do not always use it on the drum buss but sometimes when you need a little bit more punch on the drums.