NUGEN ISL w DSP extensionNuGen Audio Nugen ISL 2 with DSP Extension OverviewAvailable in one downloadable package, ISL 2 with DSP Extension NuGen Audio is a true peak limiter designed for use in audio mixing and mastering, and provides the necessary final step when preparing audio for broadcast. This download combines ISL 2 with the ISL 2 DSP extension, which are often available as two distinct downloads. Here, ISL 2 can be used on Pro Tools HDX systems, as well as