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Synth (Analogue / Subtractive) by HY-Plugins
What is it?
Operating System Availability
Operating System Latest Version
System Requirements
Windows7 or higher
System Requirements
macOS 10.12 or higher (64-bit)
System Requirements
64-bit only
License & Installation Method
Instant (Serial Number)
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HY-POLY is a subtractive type polyphonic synthesizer with MIDI effects and audio effects. Many of the synth and audio fx parameters can be modulated. You can create a wide variety of synth sound with those MIDI/audio fx and modulations.

Main Features:

  • 5 oscillator types.
  • Dual multi-mode filters.
  • Drag and drop modulation assignment.
  • 24 modulation sources.
  • 9 MIDI effect units.
  • 25 audio effect units.
  • MIDI learn.
  • MIDI Out.
  • Preset browser.
  • Resizeable interface.

Free version:

  • 1 oscillator mode.

  • Maximum number of voices is 4.

  • No MIDI effect unit.

  • 5 audio effect units.

{See video at top of page}

User Reviews Average user rating of 5.00 from 5 reviews Add A Review

Reviewed By Prototype_human
April 9th, 2022

+ : easy to use.

+ : Good sounding.

+ : MIDI fx and build in fx.

+ : Low CPU usage.

+ : The price.

+ : Powerful !!!.

- : want more LFO.

- : ..... .....

HY use to make very good plugin for low price.

HY Poly is not for someone who s looking for analog sound.

Poly is a VERY good synth, usable for everybody and can cover a lot of type of sound (perc, bass, pad...).

A must have synth.

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Reviewed By theorize
July 20th, 2020

First thing I have to say is I've uninstalled most of my synths after purchasing this! I also recently purchased ANA2, which is great but if I will be honest I've only opened it up a few times compared to the fact that I am reaching for HY-POLY every day, even if I don't feel like doing anything musical I'll still load it up and just make a couple sounds for later use. I've never had so much fun with a synth. Like others have said, it is easy to understand, but when you've been doing sound design for a while they all kind of are... for me the real difference is in how fluid it is to use. I find myself not being afraid to undo things that didn't quite work out instead of trying to force something to work, it's just quick and easy to do, no need to twiddle with an OK sound to make it acceptable and getting sidetracked on it just because you don't want to lose the time you put into it. If you already have the kind of sound you are going for in your head than you can achieve it quickly. If you just want to see what comes out then that is rewarding too.

I like the design of the oscillator section, the task oriented workflow is pretty cool and adds to the overall workflow experience for me. The FM in it is pretty fun since you can adjust the base waveshapes that you are using for the FM, it's almost like having a couple extra operators. The feddback FM option is really fun for doing FX type sounds.

To me it sounds really good, I like the filters... they aren't too extreme in any way so for me that makes it versatile, and I really like how the resonance acts if you want to crank it, it doesn't sound to whistley, that always annoys me. The visual feedback on this synth is also really nicely done in my opinion. You can quickly see everything that's going on with the modulation but none of it ever feels distracting, I only notice it when I'm looking for it.

I haven't really done much with the MIDI FX so I can't really comment on that part, but it's really nice to have them in there for when I get around to it.

The FX section is one of my favorite parts: there are a ton of FX you can add and pretty much every aspect of it can be modulated, for me this really makes it shine because these days FX has become such a core part of sound design, no longer are they just an afterthought, for me the FX are just as much a part of the sound as the filter. Having envelopes and LFO's and MIDI modulators at my disposal to shape the FX and have it built into the patch is stellar. I know it's not the first synth do this, but it's the first synth I've seen that does it like this. Speaking of modulation, there's plenty of options there at your disposal. I especially like the "Random" modulator, it generates a random number every time you press a key, I can't wait to get around to seeing what all I can do with that on percussive sounds.

Is it the perfect synth? There's no such thing since synthesis is such a huge topic, but I do think it's the perfect balance of capability versus workflow. If I need something with more capabilities I have options, but honestly I'm usually reaching for HY-POLY. This is a true bread and butter synth that I can't get enough of. I've never felt a synth was more worth my money.

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Reviewed By ATN69
June 21st, 2020

This synth is useful, fun and easy to wrap your head around. Good value for the money. As with all plugins from this developer, HY-POLY has a certain quality to it, and it both looks and sounds great.

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Reviewed By ecologist9
June 19th, 2020

Great Synth.

Nice fat sound.

easy and logically set out nice to look at and you want to start making your own sounds immiediately which you can without reading a manual as its so well.

thought out.

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Reviewed By sdv
June 18th, 2020

One thing is for sure... it is fun & feature packed! Many of the modulation devices from the sequencer pack are making a comeback.

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