Upgrade from a previous version is US$39.00 (Reg. $49).
DSP-Quattro is an Audio File Editor, plug-in host, Audio CD Mastering and Audio Batch Processor for the MacOS. Version 5 has been totally rewritten from scratch to be fully compatible and updated with the last versions of MacOS, including MacOS 10.15 Catalina.
It is a 64-bits application offering, among the others, dozens of editing functions, 64-bits AU effects and instruments plug-ins hosting, audio CD-ROM burning, including DDP import/export, Batch processing, and very very much more.
It requires a Mac running MacOS El Capitain or newer to run and it is fully compatible with MacOS 10.15 Catalina.
This promotion valid through December 8th, 2019.