KV331 Audio SynthMaster One

Semi-modular Soft Synth Plug-in with Wavetable Synthesis, 2 Oscillators, 2 Sub-Oscillators, 2 Zero-delay Feedback Filters, Arpeggiator/Sequencer, 4 ADSR Envelopes, 2 LFOs, 11 Effects, and 500 Factory Presets - Mac/PC VST and AU
Write review Item ID: SynthMasterONE
KV331 Audio SynthMaster One image 1
KV331 Audio SynthMaster One image 1
Sweetwater Savings: $20.00 MSRP: $89.00
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Software Compatibility

Most software is compatible with both Mac and Windows computers, but check to make sure.

If you're using Pro Tools, AAX plug-ins (or RTAS for older versions) are what you need. Most other Mac DAWs support AU plug-ins. VST is compatible with a number of Mac and Windows programs. Be sure you choose plug-ins that work with your DAW!

To learn more about software compatibility, check out our buying guide.

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KV331 Audio SynthMaster One
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Meet Your New Wavetable Soft Synth

Although KV331 Audio SynthMaster One shares the same sound engine with its bigger sibling SynthMaster, SynthMaster One is streamlined to a single-layer, single-screen design and features wavetable synthesis plus many more new features. With its simple layout, rich wavetable/waveform content, and 500 inspiring factory presets, crafting sounds in SynthMaster One is lightning-fast and tons of fun. It's semi-modular, so routings are normalled for quickly whipping up killer patches. Ready to roll up your sleeves and dive in deep? This synth has everything you need: two oscillators, two sub-oscillators, two zero-delay feedback filters, a 16-step arpeggiator/sequencer, four ADSR envelopes, two LFOs, and 11 studio-grade effects. Factor in its 500 world-class presets and refreshingly mild pricetag, and you've got your new wavetable soft synth.

True wavetable synthesis, with all the trimmings

In SynthMaster One, true wavetable synthesis opens up fantastic new sound-design possibilities. You can import wave files containing wavetables and use them in your projects. SynthMaster One also ships with a rich wavetable library that you can extend by placing wavetables in the Waveforms folder. Each of the two oscillators features up to 16 unison voices and stereo output. You can even create an epic supersaw patch using the Voices, Voices Mix, Detune Curve, Detune Spread, Pan Spread, Tone Spread, and Phase Spread controls. The two richly analog-sounding zero-delay feedback filters have four filter categories and advanced parameters such as Input Gain, Drive and Acid. But there's more — bi-quad digital filters with a hard limiter/envelope follower across their output. Trust us: you can get into some delightful sonic malfeasance with these!

A feature-packed semi-modular beast

KV331 Audio calls SynthMaster One semi-modular. Here at Sweetwater, we call it powerful — in that you can patch up anything you can dream up. The architecture is brilliant. For each instance of SynthMaster One, you've got two oscillators and two sub-oscillators, two filters, four ADSR envelopes, and a 16-step arpeggiator/sequencer, plus 11 killer effects that can be inserted into six FX insert slots. You can connect the sub oscillators to the main oscillators in five different modes, giving you the option of using it as a regular sub oscillator, or for amplitude, ring, frequency, or phase modulation.

Powerful 16-step multimode arpeggiator/sequencer

SynthMaster One is equipped with a powerful 16-step multimode arpeggiator/sequencer that lets you create virtually any type of rhythmic pattern you can conjure up. You've got all the classic arp modes: Up, Down, UpDown, DownUp, UpDown2, DownUp2, AsPlayed as well as Sequence, Chord and Arpeggiate. Each of the 16 steps is equipped with its own Velocity, Note Number, Note Length, Slide, and Hold parameters.

KV331 Audio SynthMaster One Semi-modular Soft Synth Features:

  • 500 factory presets from a team of world-class sound designers
  • Semi-modular architecture
  • 2 oscillators (each with up to 16 unison voices); 2 sub oscillators
  • 2 zero-delay feedback filters, 4 ADSR envelopes, and 2 LFOs
  • Powerful 16-step multimode arpeggiator/sequencer
  • 11 different effects that can be inserted into 6 FX insert slots
  • True wavetable synthesis opens up new sound-design possibilities
  • Rich FX set with 11 different types: Distortion, LoFi, Ensemble, Phaser, 6 Band EQ, Compressor, Vocoder, Delay, Chorus, Tremolo, and Reverb
  • Support for Scala tuning microtuning
  • Comprehensive preset browser with flexible search criteria
  • MIDI patterns importable as arpeggiator sequence via drag-and-drop

Additional Media

Virtual Instrument Buying Guide

Tech Specs

Software Type Semi-modular Synth plug-in
Platform Mac, PC
Upgrade/Full Full
Download/Boxed Download
Format VST, AAX, AU
Hardware Requirements - Mac Multicore 2GHz processor, 2GB RAM minimum
Hardware Requirements - PC Multicore 2GHz processor, 2GB RAM minimum
OS Requirements - Mac OS X 10.6 or later
OS Requirements - PC Windows 7 SP1 or later
Manufacturer Part Number 11-33232

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See also: Piano Software, KV331 Audio, KV331 Audio Virtual Instruments: Synths, Keyboards, & Organs