DSP-Quattro 6.x upgrade
$49, paid once
One upgrade license · MacOS · full package · for customers registered to a previous DSP-Quattro or DSP-AudioCDBuilder version
Checked 28 Sep 2026
Plans and prices
DSP-Quattro pricing
DSP-Quattro 6.x new license
$99, paid once
One license · MacOS · full package
Checked 28 Sep 2026