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Synth (Analogue / Subtractive) Plugin by XILS-lab
Syn'X by XILS-lab is a Virtual Instrument Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
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Syn'X is a 16-voice virtual analog synthesizer.


  • Two oscillators with 4 selectable waveforms, Triangle, Saw, Square, Pulse and its dedicated PWM and Ring modulator mode. Additionally, the Triangle and Sawtooth waveforms have PWM modes. Several waveforms can be selected simultaneously for each of the oscillators.
  • One multimode filter based on the CEM 3320 chip emulation, providing Self oscillating 12 dB and 24 dB low pass, 6 and 12 dB band pass, and 12 dB high pass modes.
  • Four D-ADSR: an enhanced standard ADSR envelope with a MIDI syncable delay.
  • Four LFOs, including two never-seen LFO types.
  • Four embedded effects: Delay, Chorus, Phaser, Dual EQs.
  • One Multi-track sequencer.
  • Several playing modes including A la Moog mono modes and several Polyphonic modes.
  • The Chaox: an LFO based on fully calculated chaotics functions.
  • The Rhythm: an LFO that uses the Rhythm for its main purpose.
  • Guitar modes, Circular and random polyphonic modes.
  • Syn'X is multi-layer and has a poly-timbral mode:
    • 8 totally independent layers (each layer can have its own set of oscillators, filters, envelopes, glide and LFOs, with independent settings).
    • 2 keyboards, each with its own independent arpeggiator and MIDI settings management.


Latest User Reviews

Average user rating of 5.00 from 1 review

Reviewed By goldenanalog
December 27th, 2011

My review lacks specific details, but I must assert that to my ears: XILS-Labs' Synthix and U-HE's DIVA are the finest software-based analog emulations to date. This is not to argue with there being many other analog e-mu's on the market that meet aspects of a Gold Standard, but as of late 2011/early 2012, I have not heard any soft synth that come closer to truly emulating an analog synthesizer. And to me, That's what it's really all about: The SOUND. Yes, admittedly, there are issues with Synthix that make it's present incarnation less then perfect; primarily a somewhat sluggish GUI running in some environments (keep in mind that I'm evaluating a 1.0 release) to not-so-positive comments regarding the front panel-whilst the first issue will probably soon be resolved (XILS-Labs is deadly-serious about all aspects of their work-I know this from being a license holder of both their XILS 3 Full as well as their brilliant Polykb), the second concern may be regarded as one of personal taste-the front panel/layout/etc. poses no obstacle to me getting work done.

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Comments & Discussion for XILS-lab Syn'X

Discussion: Active
7 January 2013 at 1:40pm

Beautiful Synth

7 November 2013 at 5:12pm

It is an excellent emulation (the exact reflect if used without the improvements) of the 8 voice Elka Synthex which was very used in the 80's by Tangerine Dream for good number of their most wonderful pads and by Jean-Michel Jarre for many many many performances, but now with the advantage of the addition of a lot of functions that enhance the abilities of the VST to a top higher new class. A really beautiful software synth.

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