Bedroom Producers Blog is proud to release BPB Bassaturator, a freeware bass booster plugin for Windows and macOS.
BPB Bassaturator is a free VST plugin for bass processing. It uses a push-pull style equalizer and three different saturation types to turn boring bass sounds into fat basslines that cut through a mix.

We designed BPB Saturator to be easy to use, with just a few controls that will help you drastically improve your bass. Let’s quickly go through the main parameters.
Sub Controls
The “Sub” section lets you select the target frequency and make it louder with the Boost knob. At the same time, the EQ curve will attenuate the surrounding frequencies, bringing more clarity to the boosted area of the low-end.
So, instead of just increasing the volume, BPB Bassaturator enhances and focuses the low-end frequencies by removing some of the surrounding frequencies. This works particularly well on kick drums and helps make basslines sit better in a mix.
The inspiration for this came from the Pultec EQ push-pull technique, which involves simultaneously boosting and attenuating frequencies in overlapping ranges, typically in the low end.
Bass Controls
In the “Bass” section, you can apply three different types of saturation, adjust the tone, and mix the wet signal for easy parallel processing.
The three saturation modes (Dirt, Body, and Tape) will transform almost any boring bass sound into something much more exciting. It might sound like an empty promise, but just give it a try, and I’m sure you’ll be surprised by the results.
Here’s a quick explanation of the three saturation modes:
- The Dirt knob applies our signature distortion from plugins like BPB Dirty Filter and BPB Dirty LA. It adds “dirt” to the signal and makes it cut through the mix.
- The Body knob adds clarity to the bass sound and saturates the mids. It’s perfect for adding power to a bass guitar and for tightening a flat synth bass.
- The Tape saturation mode rounds up the sound and makes it more present. It also works great on a bus channel.
Once you’re happy with the saturation, remove the excess highs with the low-pass filter and blend in some of the dry signal until you’re happy with the sound.
BPB Bassaturator Tips
I recommend starting with a subtle sub-bass boost around 50-80 Hz, depending on the characteristics of the processed signal. This will make the subs louder and more focused.
Then, adjust the Body parameter until there’s enough clarity in the mids. I usually boost to around 70%, but this depends on the source signal.
After that, add the Dirt and Tape saturator to taste. Dirt tends to work better on bass guitar, and I just love how Tape sounds on synth bass.
Lastly, use the filter to tame the high-end frequencies and use the Mix knob to balance the signal. If you’re going for an over-the-top distorted bass sound, boost everything to 100% and then reduce the Mix value until you’re happy with the output.
Additional Features
The plugin features a freely resizable GUI. You can adjust the size by clicking and dragging the bottom-right corner of the interface.
You can also bypass the processing using the On/Off switch in the upper-right corner.
BPB Bassaturator is available as a VST3 and AU plugin for Windows and macOS (with native M1 support).
User Feedback
Here’s what BPB Bassaturator users are saying:
- “Your new Bassaturator is great because it is as simple to use as Bass Mint but offers far more distortion/saturation/EQ options similar to Mammoth. Best of both worlds! The ease of use and quick effective results make it a joy to use. I think you could easily charge money for this great plug-in.” – Fusion Head
- “Many thanks for coming up with this new bass plugin, man!” – Gary G.
More BPB Plugins
Before you download BPB Bassaturator, don’t forget to check out other Bedroom Producers Blog freebies.
We released several highly popular freeware plugins over the years, including:
- BPB Saturator – a multimode saturation plugin for general use;
- BPB Dirty Filter Plus – a screaming filter with multiple distortion types;
- BPB Dirty LA – a plugin inspired by vintage leveling amplifiers;
- BPB Dirty VHS – a crazy lo-fi tape effect.
Free Download
Download BPB Bassaturator for free, exclusively at Bedroom Producers Blog.
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