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 VoxDoubler by Sonnox is a Virtual Effect Audio Plugin. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
VoxDoubler VoxDoubler
Product VoxDoubler
Developer Sonnox
Price (MSRP)
£69 / $99
Type / Tags Vocal EnhancerDoublerThickenerWidener
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
Downloads Released
Downloads Released
Miscellaneous Information
Copy ProtectionDongle (PACE iLok Smart Key)
Max. 6 items
Latest Version Changes [view all]

VoxDoubler is comprised of two separate plug-ins called Widen and Thicken which are bespoke engineered to help with the two most common vocal doubling workflows:

  • Widen generates two new mono voices and pans them to the left and right of the original vocal.
  • Thicken generates a new stereo doubled voice and overlaps it with the original vocal.

Until now, vocal doubling either takes considerable time, effort and expense or it doesn't create sufficiently believable and natural-sounding results. The VoxDoubler elegantly solves this by providing you with ease of use, real-time processing and a sound as lifelike as if the doubled parts were actually multi-tracked. Saving you time, money and maintaining your creative flow.


  • Generate believable double and triple vocal tracks to create width, depth or add thickness.
  • Humanise section to adjust the Timing and Pitch of the doubles relative to the original vocal.
  • Depth control to push the new doubled voices deeper into the mix.
  • Tone control to prevent sibilant doubles from becoming distracting, or to brighten those that are too muddy.
  • Track/Aux mode allows you to apply the effect in place or, for more advanced control, mix it in parallel on an aux return.
  • A more cost-effective alternative, both in terms of initial outlay and speed of use, than more complex and manual processes.
  • Engineered for vocals, but try it on instruments too.
  • Hallmark Sonnox audio precision, transparency and reliability.

{See video at top of page}

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