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$48 / Free
HY-Delay4 HY-Delay4 HY-Delay4
HY-Delay4 by HY-Plugins is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin and a VST 3 Plugin.
Windows 7 or higher
OS X 10.12 or higher (64-bit only)
Copy Protection
Key File
My KVR - Groups, Versions, & More
45 KVR members have added HY-Delay4 to 8 My KVR groups 57 times.
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+7 in private groups

KVR Rank

Overall: 1635   1306   1587

30-Day: 2057; 7-Day: 2342; Yesterday: 2374

HY-Delay4 is a multi mode delay.

There are 6 main processes (Delay, Amp, Waveshaper, EQ, FX1, FX2). You can change the order of these processes. Also, you can modulate those parameter values with 4 modulation units and 4 macro controls.

Main Features:

  • 5 delay modes(Simple, Dual, Grain, Groove. PM) + Bypass mode.
  • Changeable process order(Delay, Amp, WS, EQ, FX1, FX2).

  • Drag and drop for modulation assignment.

  • 4 modulation generators(5 types).

  • 4 macro controls.

  • Side-chain input for Ducker and Envelope follower.

  • Randomizer.

  • Re-scaleble interface.

  • 2 skin mode(light/dark).

Free Version:

  • 1 delay mode(Simple delay).
  • EQ.
  • Ducker.
  • Randomizer.


Latest User Reviews

Average user rating of 5.00 from 2 reviews

Reviewed By Sycopation [all]
January 12th, 2020
Version reviewed: v1.1.3 on Windows

I am writing this review based on the free version, which is a stripped down version of the paid version.

This is a pretty decent delay, speaking generally, and this a really, really nice delay for being free. Definitely one of the nicest free delays I know of, and I have tried scads of them.

It has an internal ducker, which is awesome. Also a limiter at the end of the "chain." It is stereo (L & R), and each can be set in sync mode or in milliseconds, and they can be linked. It goes up 3200 ms, which is longer than many if not most delays allow. Overall output can be panned (though not L and R individually). Overall feedback (not per side). 3 band EQ - lo cut, hi cut, mids (all 3 with variable freq and gain). Even with all modules engaged, I can't get it to crack 1 on CPU, so it is extremely CPU efficient.

It only comes with four presets, none of which I find very useful, but hey, it's free, and you can create as many of your own as you want.

Just a few complaints / suggestion for improvement:

*It has a mix knob (instead on one for wet and one for dry). Hy-Delay 3 had a separate knob for each, which I think is highly preferable.

*I wish you could have the option setting the delay times in milliseconds by typing it in.

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Reviewed By xtreme sounds [all]
March 1st, 2019
Version reviewed: 10 on Windows

Best one yet. The flexibility of this thing should definitely have its place in your DAW. I like the colors as well - much better to work with than the previous Delay3. :-).

Read Review

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