Equalizer APO icon
Equalizer APO icon

Equalizer APO

Equalizer APO is a parametric / graphic equalizer for Windows. It is implemented as an Audio Processing Object (APO) for the system effect infrastructure introduced with Windows Vista.

Equalizer APO screenshot 1

Cost / License

  • Free
  • Open Source

Application type

Platforms

  • Windows
106likes
0articles

Features

  1.  Parametric Equalizer
  2.  Parametric Filters
  3.  Works Offline
  4.  Support for VST Plugins
  5.  Modular System
  6.  Dark Mode
  7.  Ad-free
  8.  No registration required
  9.  Low Latency
  10.  VSTS Integration
  11.  Sound Effects

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Comments and Reviews

   
Top Positive Comment
GuessWhatBBQ
0

Allowed me to boost the volume

lukalabudovic123
0

Awesome! You may just have one problem where you need to enable SFX/EFX in configuration in order to work but other than that it works well and cpu utilization is very low.

ediferreira
0

It's open source!

jorgeeavila
0

Amazing, it improved my device volume!

Review from a new or low-activity account — shown here, but not counted in the app rating.
StormChild
0

I had to swap my speakers on my desk, and Equalizer APO works great with swapping the left and right channels of the SPDIF output of my Sound Blaster Z.

Harvey Williams
0

My laptop was often too quiet when watching movies or series with just the normal speakers. This lets me amplify the noise to an acceptable level, without distorting the sound too much.

I got a bit bored of neutral sound of my headphones so I also increased the bass just a little.

The included UI lets me target different output devices so I can edit the sound.

Very satisfied.

vctls
0

Really good system-wide EQ. Perfect for correcting speaker and room coloration. Comes with a nice interface to edit the settings in real time without having to open the text-based config files. The only drawback is that it can be slightly buggy, especially if you have external devices. You might have to reapply the configuration and reboot from time to time.

7 of 10 comments

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What is Equalizer APO?

Equalizer APO is a parametric / graphic equalizer for Windows. It is implemented as an Audio Processing Object (APO) for the system effect infrastructure introduced with Windows Vista.

Features:

  • virtually unlimited number of filters
  • works on any number of channels
  • very low latency, which makes it suited for interactive applications
  • low CPU usage
  • modular graphical user interface

Requirements:

  • Windows Vista or later (currently only Windows 7, 8, 8.1 and 10 have been tested)
  • Sound card driver must support APOs (this includes most onboard sound drivers)
  • The application must not bypass the system effect infrastructure (APIs like ASIO or WASAPI exclusive mode can not be used)

Equalizer APO information

AlternativeTo Category

Audio & Music

Our users have written 10 comments and reviews about Equalizer APO, and it has gotten 106 likes

Equalizer APO was added to AlternativeTo by mikeclueby4 on and this page was last updated .