A DSP-5 is required for the reexport of such unclassified defense articles after incorporation into another article, modification, enhancement, upgrading, alteration or improvement. (c) Requirements. To use an exemption under § 123.4 (a) or (b), the following criteria must be met. Hofa has a nice product too, but I want to support from all those years after MasterList CD, Jam and Spark all died and DSP Quattro was one of the few MAC 2 track editors available. RnR Last edited by thetshirts; 24th May 2018 at 02:56 AM. DSP-Quattro v5.1.2 MAC TNT Sep 3 2019 46 MB Audio File Editing, AudioCD Mastering, Plug-in Hosting A new application forged on its distinguished past. Rebuilt from the bottom up for macOS Mojave (.), DSP-Quattro 5 stands on the foundation of its award-winning twenty-three year history, primed to carry on its tradition of excellence. The Quattro’s built in high pass crossovers ranges from 50 Hz all the way to 5 KHz, with a unique tweeter level gain adjustment if ran in active mode. Fear not, the B2 audio Quattro will still work as an ordinary 4 x 100 watt amplifier, but its small footprint is possible due to a class H design. Rebuilt from the bottom up to run on latest versions of MacOS, even 10.15 Catalina (.), DSP-Quattro 5 stands on the foundation of its award-winning twenty-three year history, primed to carry on its tradition of excellence well into the future.