Convology XT Free

Convolution reverb with extensive vintage and real spaces libraries

Convology XT screeshot

Convology XT is a free convolution reverb, the result of a collaboration between Impulse Record and Wave Arts. Convology XT comes with 70+ impulse responses, lets the user quickly step through presets, and has tons of IR modification features. Users who want more IRs can purchase any of the twenty affordable IR libraries from Impulse Record with samples of most every reverb DSP, plate, spring, and delay unit every built, plus hundreds of samples of real acoustic spaces.

The Convology XT Complete Library is focused on vintage reverb effects. Responses were sampled from 126 different pieces of vintage studio gear from studios all over the world. There are 10 separate libraries: 80s-90s DSP 1 Basic, 80s-90s DSP 2 Classic, 80s-90s DSP 3 Pro, Plates, Springs Bright, Springs Boingy, Springs Warm, Echo Space, Vintage Amps, and Vintage German DSP.

The Convology XT True Stereo Library consists of 4-channel true stereo impulse responses. There are four separate true stereo libraries: True Stereo 1 through 4 focusing on pro DSP units, plates and springs.

The Convology XT Real Spaces Library consists of acoustical recordings of real spaces. There are six separate real spaces libraries: Arenas and Stadiums, Churches and Halls, Outside, Rooms, Diverse, and Space.

The plug-in features an easy to use interface to browse through the libraries, allowing the user to quickly step through presets and audition on the fly while the music is playing. Despite being free, Convology XT is a world class convolution reverb, with CPU efficient processing, low latency and zero latency modes, max IR length of 2M samples (40 sec at 48 kHz), support for true stereo responses, support for WAV and AIF files, and modulation. There are also extensive IR modification functions, including stretch, decay time scaling, EQ, frequency-dependent decay time scaling, time reverse, and amplitude envelope. And the plug-in has a sophisticated UI featuring a preset and file browser, real time spectrum display, IR time display, and images of the vintage gear and real spaces.

While the plug-in is free, it requires registration with a serial number. See this FAQ entry regarding how to get your free serial.

For enthusiastic users who want to explore further, we also provide a free application called MlsTool, which you can use to record impulse responses of your own hardware gear or acoustical spaces.

In addition to the demo video below, check out Rico Casazza's excellent video review.


  • Comes with 74 factory IRs
  • Fast loading, quickly step through IRs
  • Supports true stereo IRs
  • Loads external WAV and AIF files
  • Many IR modification features: stretch, decay time, EQ, frequency dependent decay time, reverse, amplitude envelope
  • Low latency and zero latency modes
  • Max IR length 2M samples
  • CPU efficient
  • 192 kHz sampling rate


Requires a host program that supports audio plug-ins. iLok licensing is not supported.

  • Macintosh - AU, VST2, VST3, AAX

    • MacOS 10.13 (High Sierra) to MacOS 14 (Sonoma)
    • Apple Silicon natively supported (AU, VST2, VST3, AAX)
    • AAX - Pro Tools 11 and higher
    • 64-bit hosts only
  • Windows - VST2, VST3, AAX

    • Windows 7/8/10/11
    • AAX - Pro Tools 10.3.5 and higher
    • 32-bit and 64-bit hosts supported