Best Synths for FL Studio 20

Best Synths for FL Studio 20

FL Studio has a ton of features that you can use to make and edit music. If you want to work with keyboards and digital instruments, you need to consider the best synths for FL Studio 20. With the right synthesizer, you can create a variety of sounds for your music.

What are the best synths for FL Studio 20? The best synths for FL Studio 20 depend on individual needs, but they all integrate well with the program. Whether it’s a full synthesizer or more specific to instruments, FL Studio has plenty of synths to choose from.

  • Harmless
  • Harmor
  • MiniSynth
  • FLEX
  • Autogun

The right synthesizer can revolutionize the way you make and edit music. You don’t have to be an expert music producer to take advantage of some of these tools. But consider your needs so that you can choose the best synth for you.

How to Choose Best Synths for FL Studio 20

Whether you’re new to FL Studio 20 or want to upgrade your setup, you should consider adding a synth to the mix. You can use a synthesizer to easily play different notes on virtual instruments within FL Studio 20. The right synth will have the sounds and features that you need, so you can take advantage of all it has to offer.

A synthesizer is a tool that has virtual instruments that you can use when making music. You don’t have to be able to play any of these instruments, but you should know how to use FL Studio. To choose the best synth for you, consider which instruments you want to use.

Of course, you want to be able to produce those sounds with your synth. However, you may also want to consider the cost of the synth. Some are more affordable, while the more expensive ones have features you might want.

You should also consider what operating system you use. While many plugins and synths are available for both Mac and Windows, some may only work on one or the other. If you want to learn more about the synths for FL Studio, click here.

Why You Need the Best Synth

Many of the best synths for FL Studio 20 come in the form of software. With that, you have more control over the music you make. You don’t have to worry about setting up any hardware, and you can usually save money.

If you want to work with multiple synths, you don’t have to worry about storing them or finding them. Instead, you can load up FL Studio and know that everything you need is right where you left it. So consider these synths when choosing the best one for you.


The first FL Studio synth you should look at is Harmless. It is an additive synthesizer that can do subtractive synthesis, or it’s a subtractive synthesizer that gets power from an additive one. The synth is digital, so it doesn’t try to replicate analog sounds.

  • You can use filtering and phasing for unusual shapes, and you can define slopes by their Hz instead of their octave.
  • It’s highly optimized and efficient, and it can generate hundreds of harmonics without overworking your computer.
  • The synth filters different timbres before generating a sound. It works well for low-passed timbres as well.
  • Harmless is relatively limited, but it’s easy to program, so you don’t have to be an expert to use it.
  • There are tons of effects available, like delay and chorus, so you can edit your tracks to fit your style.

You can use Harmless in FL Studio on both Mac and Windows, and the standard FL Studio system requirements also apply to the synth. A demo comes with the FL Studio installer, so you can try it before you buy it. If you want to buy it, you can download Harmless for $79 on the FL Studio website.


If you want to have an additive/subtractive synthesizer that can also work as a resynthesizer, consider Harmor. It is a beefed-up version of Harmless in that it uses an additive synthesizer to power subtractive synthesis. However, there are tons of other features available.

  • You can randomize parameters and link them to different keys or velocities, and you can fine-tune unison voices.
  • If you need to resynthesize music, you can do that in Harmor. It will sound true to the original, so you don’t have to worry about it sounding different.
  • Harmor also offers a visual synthesizer, which can help you work with gain and pitch planes, and you can adjust them.
  • The plugin has an efficient engine, so it won’t overwork your computer or overload the CPU when you use it.
  • You can use two separate parts to create complex sounds, and you can import parts from different presets.

Harmor is available for FL Studio on both Mac and Windows, and you don’t need any extra storage space. If you want a lot of features within one synth, this is a great option. You can download Harmor for $149.


If you want a free synth for FL Studio, look no further than MiniSynth. It comes with FL Studio, so you don’t have to pay extra to use it. You can also use it on FL Studio and the mobile version, which can be nice if you ever make music on the go.

  • The synth has a low processor overhead design so that it won’t overwork the CPU of your computer or mobile device.
  • You can use it to convert projects from the mobile version to the desktop version, but it also works for the desktop version alone.
  • It features an oscillator envelope and an advanced multi-mode oscillator, and there’s also a low-frequency oscillator.
  • Effects include chorus, phaser, and delay so that you can mix and master your songs to your liking.
  • You can use it on your desktop with FL Studio 20, and it works on mobile iOS, Android, and Windows.

MiniSynth is an excellent introduction to synthesizers for beginners and anyone on a budget. You don’t need to have a ton of experience to make the most of it. To download it to your computer, you can visit the FL Studio website.


Another free synth to consider is FLEX, which is an advanced production focused synthesizer. It is built on subtractive synthesis as well as multisample and wavetable synthesis. You can take advantage of a variety of features when using it.

  • The synth lets you view how partials evolve with the spectrogram, so you can see how they change throughout a song.
  • You can search the library for tons of different presets, so you can use the sounds you want when making music.
  • Each preset has up to 8 Macros so that you can save hundreds of options for future projects.
  • FLEX works with all editions of FL Studio, but it doesn’t work with other programs.
  • You can use it on both Windows and Mac as long as you have FL Studio and the standard system requirements.

FLEX is a good free option. You don’t have to have a ton of experience to use it, but you can experiment a lot. If you don’t have it already, you can download it for free on the FL Studio website.


Sytrus is an excellent hybrid synth built as a subtractive but additive synth. Along with subtractive synthesis, it uses FM (frequency modulation) & RM (ring modulation) synthesis, so you have control over the sound. You can make the most of it with a variety of features.

  • There are three independent filter units with over a dozen filters each, and you can follow the filters with delay, chorus, and reverb effects.
  • Sytrus offers lush pads, shimmering highs, and sonorous bells, so you can create a variety of sounds.
  • You can use multiple definable operators to create different types of synthesis, which means you have access to almost any timbre you want.
  • The plugin offers over 500 presets, so you can use it to make music in almost any genre, and you can use it for different instruments.
  • A unique arpeggiator system lets you create multipoint articulation for the different instruments.

You can use Sytrus in both Mac and Windows in FL Studio, and it doesn’t have any special system requirements. If you want something with a ton of features, Sytrus might be the best synth for you. You can get it for $179 on the FL Studio website.


If you want to use a synthesizer to create different percussion sounds, consider Drumaxx. It is a percussion modeling instrument with over 16 modeled drum pads. You can even connect them to independent outputs to process the effects externally.

  • Drumaxx doesn’t use the typical sampling of other synthesizers. Instead, it uses an algorithm to create the different parts of a drum set.
  • You have more expressive control over the sounds you make with those algorithms, and you don’t have to worry about your music sounding fake.
  • There are tons of options available for modeling various percussion instruments, so you can get the sound you want.
  • It comes with 130 drum kit sounds, 900 drum patches, and 200 drum patterns that you can experiment with.
  • You can use velocity modulation for more precise control and expressiveness.

Drumaxx is an excellent synth for creating drum beats or backing tracks. You don’t have to worry about setting up physical drum pads, but you still have the option to use real sounds. If you want to try it out, you can download Drumaxx for $99.


If you want a synth with a seemingly unlimited number of possibilities, look at Autogun. It offers over four billion presets that you can choose from, so you can find one that works for you. The Autogun community also makes it easy to search for the presets you’re looking for.

  • Autogun uses the Ogun interface, which is another plugin available for FL Studio. 
  • This synth is also enhanced by a maximization engine called Soundgoodizer.
  • You can use numbers to search for different presets, and you can save those numbers for future projects.
  • There are also preset up and down buttons so that you can scroll through the presets individually.
  • Another excellent feature of Autogun is the volume control feature, so you can adjust how loud your music is.

You can use Autogun within FL Studio on Windows from XP through 10, but it doesn’t work on Mac. As long as you have 512Mb of RAM and 30Gb of disk space, you can download it and test it out. Get it on the FL Studio website for free.


Poizone is a subtractive synth with the power of a professional synthesizer, but it’s relatively easy to use. You don’t have to worry about it having any useless features, so you can focus on what matters most. Consider some of the features it does have.

  • There are three filter modes, including low pass, band pass, and high pass, so you can choose one that works for you.
  • You also have two oscillators, so you can produce different shapes when using the synth.
  • Other features include 16-voice polyphony, which means you can combine up to 16 tracks in your song.
  • You can take advantage of keyboard and velocity tracking for the filter that you use.
  • Some effects include chorus and delay, and you also have access to 385 high-quality factory sounds.

Poizone is an excellent synth for many people. If you want to work with the different filters and voices, you can experiment. You can try out Poizone on both Windows and Mac, and you can download it for $79.


If you want to work with vintage sounds, consider using the synth Sawer. It is a vintage modeling synth that you can use to create punchy sounds. Consider the various features included with it.

  • It emulates the envelopes and filters available on the vintage Soviet synthesizer called Polivoks.
  • However, it uses electronic components to correct potential issues of analog synths, like stability and tuning.
  • Sawer uses an algorithm to create small issues, but you have more control over them.
  • There are four filters and multiple oscillators available, and you can use up to 24 voices at once.
  • You can use delay, chorus, and reverb effects when making music with Sawer.

Sawer is an excellent synth for recreating the sounds of the 80s, and it works on both Windows and Mac computers. If you have FL Studio, don’t be afraid to test it out. You can download it for $99 on the FL Studio website.

Toxic Biohazard

If you want to use a combination of subtractive and FM synthesis, consider Toxic Biohazard. It uses the best features of both types of synthesis to give you a unique experience. Consider these features that you can use.

  • FM synthesis can warm the sound of your music, which can be nice if you use a lot of high pitches.
  • Oscillators keep the high frequencies from sounding too shrill so that you can have a more even sound across octaves.
  • Toxic Biohazard offers three filters, so you can choose the one that works best with your current project.
  • You can use reverb and phaser effects to make your music unique, even with the same instruments as someone else.
  • The sequencer lets you play a specific chord, and it will define the chord and tune the patterns to match.

Toxic Biohazard is a fantastic synth to use with FL Studio. It works well on both Windows and Mac, so you don’t have to have a specific computer. You can download Toxic Biohazard for $99.


While not a traditional synth, Sakura is an excellent string modelling instrument. If you work with a guitar or violin, you can use Sakura to create those sounds. However, you can also experiment with different string instruments.

  • You can use Sakura to create the sound of a plucked string, or you can use it to emulate the sound of a pick or a finger against the string.
  • The hammer sound means that you can use it to create the sounds of an acoustic piano since hammers strike keys on those instruments.
  • You can adjust the size and shape of the body of the string instrument, which can affect its overall sound.
  • Sakura also lets you select the materials used for the instrument so that you can have full control over it.
  • Whether you want to recreate traditional string instruments or develop a new one, Sakura is perfect for you.

Sakura may not work like other synths, but it’s a great way to create the sounds of different instruments within FL Studio. It works well on both Windows and Mac, and you can give it a try for $99.

Final Thoughts

The best synths for FL Studio 20 should make it easier to use and make the music you want to make. You don’t have to worry about dealing with a bunch of hardware, but you’ll still have access to cool sounds. Consider these synths when choosing which ones to add to your virtual collection.

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