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 UpStereo by QuikQuak is a Virtual Effect Audio Plugin. It functions as a VST Plugin and an Audio Units Plugin.
UpStereo UpStereo
Product UpStereo
Developer QuikQuak
Price (MSRP) Free
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
 2.0  Downloads Released
 2.0  Downloads Released
Miscellaneous Information
Copy ProtectionNone

UpStereo is a simple, useful tool to make your mixes bigger, in stereo width and loudness.

It uses three basic basic systems:

  1. A fixed frequency EQ designed to lift the highest audio frequencies, and boost the bass.
  2. A stereo width unit, for expanding stereo sounds so they appear wider and fatter. At extreme levels other characteristics are also brought out of the sound, so this can also be used as a tonal control for individual instruments. This also has a mono setting, useful for squashing up those aggressive samples that take over the mix.
  3. A loudness button that raises the waveform to the limits in a smooth curve. This saturation gives the mix a more perceived loudness, without clipping.

These stages create an overall loudness effect on the final output, so a gain control is included to keep the limits in check.

The main 'bubble' display on the plug-in is really a basic meter, when one of the stereo halves flash white, then the output is in danger of being clipped. Try and keep the levels so the white flashes only occasionally, this enables the loudness saturator to work at its best.


  • Loudness control enables a complex saturator to boost your mixes.
  • Stereo width slider going from mono to wide, bringing the stereo image out and towards the listener.
  • Subtle Air & Bass boosters to lift and help the audio 'breath'.
  • Very low CPU usage.
User Rated

Review UpStereo Now!

Discussion: Active


5 October 2012 at 7:05amBeanz

This baby, gets super wide and super crispy.
The best free stereo effect I know of.

8 November 2012 at 2:22amPUSHA


21 January 2017 at 4:31pmVospi

This is an EQ (available in any DAW), a Mid-Side gain control (available in numerous free plugins, but this time without exact figures) and a waveshaper with one preset. Packed, granted, in a nice-looking UI.

Am I missing something?

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Average user rating of 10.00 from 1 review

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