Powerful, transparent True Peak limiting

ISL 2 DSP takes True Peak limiting workflows to new efficiency levels, enabling professionals to harness the full performance of the Pro Tools | HDX system for seamless control of audio in post-production and broadcast. Both ISL 2 and ISL 2 DSP deliver world-class, broadcast-quality limiting and full True Peak compliance with international standards.

Highly versatile and informative visuals in ISL 2 include innovative waveform visualization and precedent-setting ducking and steering readouts for surround sound production. With ISL 2 on the master bus you can "set and forget", with the assurance of True Peak compliance at all times.


  • Loudness compatible true-peak limiting, mono to 7.1
  • Protect against distortion introduced by lossy codecs
  • Set True-Peak level directly from the spec, ISL takes care of the rest
  • Unique channel linking visualizations & inter-dependency controls
  • Auto-release intelligently adjusts recovery for low frequency content
  • Clear, intuitive operation and cross platform functionality
  • Horizontal compact view and vertical view modes
  • Adjustable ballistics and color splits

System requirements

Windows Windows 7 and later
Mac Mac OS 10.7.x and later
Pro Tools Pro Tools | First,  Pro Tools 10.x and later
Max Sample Rate 96 kHz
Copy Protection Requires iLok


ITU-R B.S. 1770 guidance

This product is tested by the Seller for support of current versions of the indicated Avid products and operating systems. For compatibility questions related to older systems, please contact the Seller.

Use of cookies on this site:

Cookies allow us to remember your sign-in details, to optimize site functionality and to deliver content tailored to your interests. We collect and use personal information, such as cookies, in accordance with our Privacy Policy. Click "Agree and proceed" to accept cookies and go to our site or visit our Privacy Policy to learn more about cookies.

Clicking 'decline' will disable most cookies and prevent you from making purchases on the Avid Online Store as well as using our chat feature. Strictly necessary cookies that are required for this website to function will not be declined. Decline

Agree and proceed