DSP-Quattro 4 is an easy to use, multi-purpose audio editing program for the Mac. From standard audio editing and recording to more advanced audio mastering, this program does it all, making it perfect for novices and professionals alike. It comes with a high quality suite of audio editing tools as well as audio mastering and burning capabilities. It also has a ton of built-in digital effects.

Normally DSP-Quattro 4 would cost you $99, but for a limited time we’re bringing it to you for less than half-price, only $39.99. You can grab it here.