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Efektor FZ3603 Fuzz

MP Guitar Effects Plugin by Kuassa
Efektor FZ3603
Efektor FZ3603 Fuzz by Kuassa is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
Windows XP, Vista, 7, or Later (32/64-bit)
Mac OS 10.5 or later (32/64-bit)
VST, VST3, Audio Units or AAX compatible Host Software
Mac OS X 10.9 or later (64-bit)
Core2 Duo, or better (latest Intel i3 recommended)
with 4GB minimum RAM
Native Apple Silicon Compatible
VST, VST3, or Audio Units compatible host/DAW
Pro Tools 11 or later for AAX format
Propellerhead Reason 10.1 or later for Rack Extension format
Copy Protection
Key File
My KVR - Groups, Versions, & More
18 KVR members have added Efektor FZ3603 Fuzz to 6 My KVR groups 21 times.
Not In Your MY KVR Groups
(or group limitation prevents versioning)
+5 in private groups

KVR Rank

Overall: 13732   9223   11894

30-Day: 13857; 7-Day: 15492; Yesterday: 18806

The Good Old Fuzzy Wooly Distortion.

The grandfather of 'artificial' effect units. Recognizable from its distinct sound, heavily clipped and compressed to the point where the waveform is squared, adding harsh and complex harmonics and inharmonics, almost synth like. Select from five models of fuzzboxes:

  • Big Fuzz: the gritty and wooly sustaining note.
  • Sustainer Fuzz: blistering rhythm and singing leads.
  • Trans Fuzz: the familiar fuzzy transistor sound.
  • Vintage Fuzz: modern recreation of the sound from the 60s.
  • Zepp Fuzz: the vintage british rock sound.


• Five types of effects in every unit.
• Independent Gain, Tone, and Output volume controls.
• A/B compare buttons.
• Dry-Wet control.
• Up to 8x oversampling.

{See video at top of page}


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