FireStudio 1.2 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software belongs to Audio & Video Tools. This free Mac application is an intellectual property of PreSonus Audio Electronics, Inc. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
The PreSonus FireStudio is the next generation in FireWire recording systems from PreSonus. Based on the award-winning Firepod, the FireStudio combines superior analog circuit design with new advanced platform technology to deliver enhanced performance for music recording and creation.
You may want to check out more Mac applications, such as FireControl, which might be related to FireStudio.