
Multiband Compression to Process Your Kick Drum
Last Edited: Oct 30, 2023
Modern electronic music can't be imagined without a solid kick drum. One of the processing techniques that come to mind for most producers when mixing a kick drum is compression, especially when trying to glue the kick to the track. However, unlike common compression, multiband compression sometimes offers more possibilities to that end. That will be the subject of our following tutorial. In our SoundBridge: DAW, we have made a short sequence including most of the elements of a full mix. It includes a kick drum. Let's have a quick listen.

~Full Mix - Unprocessed Kick Drum
As we can hear above, the kick drum is hitting too hard in the mix. The low-frequency content of it sounds reasonable enough, but the low-mid, mid, and high frequencies could use some compression. For this reason, we will use a multiband compressor. The first step would be to add an instance of a multiband compressor to the channel effect rack of the kick drum. For this tutorial, we have chosen the FabFilter Pro-MB. Before processing, let's hear how our kick drum sounds in solo.
~Kick Drum - Unprocessed
Multiband Compression on the Kick
When we open the FabFilter MB interface, we'll see a space with a horizontal yellow line and the spectrum analyzer in the background. As soon as we place our mouse over the yellow line, we'll see a dot with vertical boundaries to the left and the right. They represent the band range. We have clicked somewhere on the low-frequency range. Then, we're presented with a set of well-known compressor parameters below. Since we don't want to compress the low end, we will drag the Ratio slider to the left until it has a 1.00:1 value. Like this, the low-end won't be processed. However, it will make a boundary over the frequency range for other bands where we will apply compression.

~ Fab MB settings band 2 for multiband compression
Above, we have added another band for compression, set to cover the low-mid, mid, and high frequencies. In this case, the Threshold will be set to around -18 dB, the range to about -5 dB, the Attack value to 14%, the Release to 34 %, and the Output to 0 dB. We will set the Ratio value to around 6.00:1; the Knee will be put towards the Hard end and look ahead at 1 ms. Let's hear the result.
~Kick Drum - Processed With FabFilter Pro - MB
You can hear how we tamed the harsh-sounding frequencies of our kick drum. Lastly, let's hear the difference between the unprocessed and processed kick drums in the context of the whole mix.
~Full Mix - Unprocessed Kick Drum
~Full Mix - Kick Drum Processed With FabFilter Pro - MB
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