bx_subsynth Subharmonic Synthesizer

bx_subsynth Subharmonic Synthesizer





Add bone-shaking subharmonic
bass to your sources.

Born in the days of disco, subharmonic synthesizers helped overcome the low-end limitations of vinyl, giving DJs, sound designers, and club mixers pounding kick drums and booty-shaking basslines that defined dance music.

Developed by Brainworx, the bx_subsynth Subharmonic Synth plug-in for UAD-2 hardware and Apollo interfaces takes its cues from the iconic dbx 120XP Subharmonic Synthesizer, but with a host of modern features.

Now You Can:

Easily add massive low-end punch without affecting the midrange

Beef up kick drums, bass synths, or even old vinyl

Use the M/S feature to pinpoint where you add bass

Harness features like the extra frequency band, the Edge section, and the expanded metering

Take a Listen

Take a Listen
Updating a Classic

Updating a Classic

The bx_subsynth Subharmonic Synthesizer plug-in takes the dbx 120XP’s Waveform Modeling engine one step further by adding a third synthesis band. This extends the upper end of the synthesis range from 56 Hz up to 80 Hz — where many crucial instrument fundamentals lie — allowing you to process a wider range of sources, from electronic kick drums to bass synths and more.

Saturate Sources

Saturate Sources

The bx_subsynth Subharmonic Synthesizer plug-in’s Edge section lets you compress and saturate your source — a handy feature for shaping subharmonic content or building explosive transient peaks. And with Smooth or Harsh modes, Squeeze and Drive, as well as Low/High-Cut filters, you’re afforded an unprecedented amount of control over subharmonic information.

Full Stereo Spectrum Control

Full Stereo Spectrum Control

The bx_subsynth’s M/S features give you the option to focus the processing only on the mid channel. Sound designers will love being able to pump the center up to blockbuster proportions without affecting the sides. The stereo field can be further tweaked with the Mono Maker and Stereo Width controls, which keep the image in phase and provide you with total control over the perceived signal width.

dbx 120XP and Waveform Modeled Synthesis are registered trademarks of Harman International. The bx_subsynth was developed by Brainworx based on its own modeling techniques. Neither dbx, Harman, nor any of their affiliate companies have endorsed or sponsored the bx_subsynth in any manner, nor licensed any intellectual property for use in this product.

Key Features

Three-band subharmonic synthesis with individual additive parameter adjustment, metering, and solo, allowing total control over your added sub content

Dual-mode saturation section with filtering and Intensity controls

Mid or Stereo Synthesis Input control allows subharmonics to be generated on either mono or stereo information

M/S section with Mono Maker and Stereo Width allows precise control over the stereo field


Brainworx bx_subsynth Subharmonic Synth

N. Reygate


Bx Subsynth

So simple to use and works a treat on getting your low frequency mix tight punchy and under control

S. Sadre



Stick it on your master, after multiband comp b4 limiter gives a massive low mid Mix.. love it!

M. Ngema


The Beast

You won't go wrong with this plugin, buy it or go home.

F. DeAngelis


Bootys will be bumping!

This plugin delivers..... immediately
Make anything sound beefy
Perfect your Kick/Bass relationship
Add manliness to your voice
All in seconds

P. Uszyński


Very musical results!

This thing does exactly what it says and does it in a very musical and trasparent way. Lots of controls, yet easy to operate, dialing the right tone is a pure pleasure!

R. Heksch


Simple and powerful

I used for ever wave lo air which haven't been that terrible at all. But this guy here will shake your ass in no time. Its plenty of deep bottom but still lots of punch and oomph. Even its red i got the feeling is not much talked about. Shame. Its great for what i need. I am in to EBD/industrial and this is godsend

P. Smith


A MUCH needed Addition

I knew I needed something that would work well with my VOG UAD plugin and work cohesively with my (specifically hip hop/rap and pop) mixes. Well...Say no more because this plug in does everything and then some for my mixes. Money easily well spent (a_pjames production)

H. Mendez


A Little Extra

A Little Extra for your final mix. Thanks

g. martinez


infra top de top

vraiment surprenant la touche qui me manquait pour mes infra Bass

g. martinez


infra top de top

vraiment surprenant la touche qui me manquait pour mes infra Bass

P. Dunck


Great effect

When you need to bring the low end to another level, there is something you try before everything, there's something I call bx_subsynth Subharmonic Synth. There are many tools inside of it that will put your low end "where" exactly you want it to be. Great great plugin!

C. Pinto Barrosa


Good for filling up the deep low end

Cool plugin for getting more weight on the really low frequencies of a bass recording, if they are not there. Works



Love IT!!!!

Love it Love it freakin Love it

L. Zavala


Impulse Buy Delight!

Stunned at how useful this plugin is! I accomplish getting the low end to sound exactly as I want without really affecting anything else. Very useful when EQ alone won't do the job. Totally worth it!

P. Kelly


I am Impressed

great for adding a little magic to your tracks

P. Kelly


I am Impressed

great for adding a little magic to your tracks

R. Fernandez



Fantastic for Low End.

E. Offord


On the bus

Gives me that low end I need that regular eq can't give.

E. Wohl



I can't believe. that I waited this long to get this, I don't realize how much I needed it until I got it!

R. Gonzalez Yanel


Lowend a tope!

Plugin muy recomendable para potenciar tu lowend. Muchos parametros para afinar. Recomendable