The latest sound technology for high quality audio.

 Make your PC, Laptop or external speakers and headphones sound Incredible starting at $1.99 with a FREE TRIAL.
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Dramatically enhance your listening experience with Quickfilter Technologies' ProfoundSound® software suite. Currently available for Windows 7, Windows 8, Windows 8.1, and Windows 10 PC’s & Laptops.  


Use Profound Sound with:


  • Desktop PC
  • Laptop
  • Bluetooth
  • Attached
  • External
  • Wired or Wireless Headphones


Listen to:

  • Pandora
  • Spotify
  • YouTube
  • iTunes


ProfoundSound provides preset options for:

  • Internal/External Speakers
  • Headphones
  • Music
  • Movies
  • Voice
  • Games


Control Panel options for:

  • Bass Enhancement
  • Dynamic adjustment of Bass and Treble levels
  • Surround Sound Enhancement
  • Clarity Enhancement


With our Virtual bass and dynamic bass controls, greatly improve the bass response of your system.  Surround sound from PC speakers?  With our virtual surround sound, the sound stage gets wider and deeper as though you were immersed in the music or video.

If you crave more volume, you will benefit from our dynamic range compression technology and our loudness control.  It might even want to make you turn the volume down for a change. 

If your audio sounds muffled, our high frequency restoration brings back and enhances the highs, so you get the full benefit of dynamic range of the recording.

You can see how ProfoundSound enhances your audio with the built in 20 band spectrum analyzer.

Try it out.  Listen for yourself.  We offer a fully functional free trial.

ProfoundSound is now being offered at the XDR Products website as well as this one.  Head on over to shop for some unique audio products, software, and other consumer electronics.  Sound is all around us, listen with the best - ProfoundSound and XDR Products.
ProfoundSound products make a great gift for all occasions.  Click the Buy Now button to complete your gift purchase.  
For detailed instructions, visit our FAQ page.
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