SynthMaster One My KVR

Synth (Wavetable) by KV331 Audio
SynthMaster One
SynthMaster One SynthMaster One SynthMaster One
What is it?
Operating System Availability
Operating System Latest Version
System Requirements
CPU: 2 Ghz (SSE3)
OS: Windows 7 and above
AAX: ProTools 11 and above
System Requirements
CPU: 2 Ghz (SSE3)
OS: Mac OS X 10.7 and above
AAX: ProTools 11 and above
License & Installation Method
Voucher / Code for redemption on other website
What does this mean?
For related news items, downloads and more please see the full KVR product page for
SynthMaster One

SynthMaster One is an easy to use wavetable synthesizer with an intuitive workflow. Although it shares the same engine with its bigger brother SynthMaster, it comes with new features like wavetable synthesis. With its simple layout, rich wavetable/waveform content and inspiring factory presets library, designing new sounds with SynthMaster One is very easy.


  • Cross-platform VST and AU: SynthMaster One runs as a VST instrument on both Windows and Mac OS X, and also as an Audio Unit instrument on Mac OS X. On Windows, it runs as a standalone application as well.

  • 1200 Factory Presets: SynthMaster One comes with 1200 inspiring factory presets from a world class team of sound designers: Arksun, Aiyn Zahev, Brian Transeau, Bulent Biyikoglu, Electronisounds, Gercek Dorman, Kurt Ader, Luke Neptune, Mirko Ruta, Nori Ubukata, Rob Lee, Ufuk Kevser, The Machine, Venus Theory, Vorpal Sound and Xenos Soundworks.

  • Semi-Modular Architecture: For each SynthMaster One instance, there are 2 oscillators with 2 sub oscillators, 2 Filters, 4 ADSR Envelopes, 2 LFOs, a powerful 16 step arpeggiator/sequencer and also 11 different efffects that can be inserted on to 6 FX insert slots. The sub oscillators can be connected to the oscillators in 5 different modes which let you use it as a regular sub oscillator or do complex modulations such as ring modulation, amplitude modulation, phase modulation or frequency modulation.

  • Wavetable Synthesis: SynthMaster One implements true wavetable synthesis which opens up new possibilities for sound design. Unlike SynthMaster where you can sequence up to 16 waveforms to create a wavetable, you can import wave files that contain wavetables into SynthMaster One and use them in your projects. SynthMaster One comes with a rich wavetable library and you can extend that by placing wavetables under the Waveforms folder of SynthMaster One.

  • Stereo Oscillators with up to 16 voices Unison: Each of the 2 oscillators in SynthMaster One have stereo output, and can have up to 16 voices "unison". Using the "voices", "voices mix", "detune curve", "detune spread", "pan stread", "tone spread" and "phase spread" parameters, each oscillator can generate a rich "supersaw" type sound.

  • Sub Oscillators: Each of the 2 oscillators in SynthMaster One has a sub oscillator, which can operate in different ways: Sub (+), Ring Modulation, Amplitude Modulation, Phase Modulation or Frequency Modulation. The Sub Oscillator can also synthesize different types of noise.

  • Zero Delay Feedback Filters: Each filter in SynthMaster One has 4 different categories: Ladded, Diode Ladder, State Variable and Bite. All of those filter algorithms are developed using the zero delay feedback filter technology. With advanced filter parameters like input gain, drive and acid, you can get that "analog" sound from the filters.

  • Rich Set of Effects: SynthMaster One features 11 different effect types: Distortion, LoFi, Ensemble, Phaser, 6 Band EQ, Compressor, Vocoder, Delay, Chorus, Tremolo, Reverb.

  • Microtuning: SynthMaster One supports Scala tuning, so tuning can be set either for each preset or globally by loading from a Scala tuning file. SynthMaster One comes with tunings analyzed from analog synthesizers.

  • Preset Browser: SynthMaster One features a comprehensive preset browser with separate search criterias for instrument type, preset attributes, music style or preset author.

    16 Step Arpeggiator/Sequencer: The arpeggiator in SynthMaster One features classic arpeggiator modes such as Up, Down, UpDown, DownUp, UpDown2, DownUp2, AsPlayed as well as Sequence, Chord and Arpeggiate modes. Each of the 16 steps of the arpeggiator has its own Velocity, Note Number, Note Length, Slide and Hold parameters.\.

  • Importing MIDI patterns as Arpeggiator Sequence: Monophonic or even polyphonic (chord) MIDI patterns can be imported into the arpeggiators in SynthMaster One by just drag and drop of the MIDI file onto the arpeggiator view on the plugin window.

A demo version of SynthMaster One is available. It is identical to the standard version except for 2 limitations:

  • Saving presets is disabled.
  • The synth starts playing random notes after 30 minutes.

Audio demos of SynthMaster's factory presets can be listened at KV331 Audio's SoundCloud Channel

User Reviews Average user rating of 4.25 from 5 reviewsAdd A Review

SynthMaster One
Reviewed By seangm
March 29, 2021

This synth doesn't work for me in Cubase, all my other plugins are working fine. The thing that pisses me off is I've tried multiple times over several months to contact support including the KVR Synthmaster forum and I've never heard back from their support. I see other people on their forum saying the get no response from support also. They seem to be actively putting out updates but just ignoring any issues reported by users. So I'm stuck with a synth I paid for but can't use, kind of sucks. I can't recommend this company in any way because of the way they ignore their users. Can I give zero stars please?

Read Review

SynthMaster One
Reviewed By osmancigil
January 19, 2021

Even though I'm not an EDM producer or anything like that, I love trying virtual synths and see what might fit my own audio work.

Luckily, I got myself SynthMaster One version and using it on a Windows 10 LTSB, i7 4710MQ CPU with 16GB RAM. Before I got it, I had some crackling noises and stutters on my system when using real-time processing plugins with the lowest latency possible @48 samples.

Upgrading to 16GB of RAM and also updating my GPU drivers did really help with other plugins and VSTis as well as SynhtMaster ONE. I almost had no crackling or stuttering when playing with it.

For people like creating mind-blowing sounds with synths may take a lot of time. But SynthMaster ONE comes with around 1200 something highly impressive presets.

My first impression was like it's so huge. Almost every preset sounds like it's going to dominate the sonic canvas and really gives me chills every time.

I definitely recommend anyone getting yourself a copy instead of downloading cracked software. It's very affordable and high quality in terms of sounds and tones that one can generate with this synth.

Here's a preset walkthrough that I have made with SynthMaster ONE. Including my 250 something favourite presets. Excellent job KV331! Deserves every penny :).

SynthMaster ONE Demo

Read Review

SynthMaster One
Reviewed By smithy217
July 19, 2019

Been using this plugin on a daily basis and absolutely love it. Lots of presets and just about any sound can be made with this plugin, 5 stars from me, .

Read Review

SynthMaster One
Reviewed By rlared
January 6, 2019

This one-pager is great for pulling up and quickly getting a sound you want. The sound quality is really good. It has a lot of interesting wavetables and waveshapes included, and the filters are great. Maybe it's just how the presets are designed, but I think it sounds better than it's bigger brother Synthmaster 2. One stand-out feature is that each of the two oscillators has a sub-oscillator which can also serve as a modulator for the oscillator. So this makes FM/AM easy and possible.

The interface is pretty clear and pleasant looking. The overall design makes sense and it clear and logical.

Modulation is easier to work with than Synthmaster 2. There are some visual cues which are helpful, and the modulation matrix is pretty easy to deal with.

If you own Synthmaster 2 (which I do) you get Synthmaster One super cheap and it's definitely worth it. I reach for Synthmaster One a lot of times when I just want to pull up an arpeggiated sound or a bass sound quickly and with no fuss.

I think it shares the same effects with Synthmaster 2 which in my opinion are a weak spot. Also I find the envelopes difficult to work with. They don't necessarily do what I expect them to do. Could be user error or could be a bug. Also I find that when I start changing things, I end up frequently clipping on the output (goes into the red) and I have to move the volume down to the lowest level. Again, could be user-error but I don't have that problem as much on other synths.

It's very light on the CPU and RAM so you can probably run as many instances as you want without issue if you have a modern computer.

I like that the developer is actively involved with the community and genuinely seems to want to make his customers happy. KV331 has been releasing updates and fixing bugs so I believe the synth will grow over time and some of the possible issues will be ironed out. I can see this growing into a 5-star synth in the future with a few updates.

Read Review

SynthMaster One
Reviewed By ubailey
December 13, 2018

Powerful synth with all kinds of modulation capabilities. Excellent tool for sound design. Now i have both 1 and 2, only synths im using now or at least 90-95%.

Read Review

Soundware for SynthMaster One...

Related Products...

Customers who like SynthMaster One also viewed...

Products similar to SynthMaster One...

More products by KV331 Audio...

You viewed...