The Universal Audio Apollo Twin X QUAD Heritage Edition is a Special Edition of Universal Audio's Acclaimed Apollo Twin X Interface with QUAD Core Processing and a Bundled UAD Plug-In Package Worth over $1,300. Apollo Twin X Heritage Edition has all the benefits of the acclaimed Apollo Twin X, including elite-class A/D and D/A conversion, QUAD Core realtime UAD plug-in processing, Unison-enabled mic preamps, and full LUNA Recording System integration. And it goes a step further, with a software suite of 5 award-winning UAD plug-in titles, featuring Collections from Teletronix, Pultec, and UA. Apollo Heritage Editions include plug-ins featured in UAD Spark, UA’s subscription plug-in collection that runs natively on Mac, with no UA hardware required. With UAD Spark, you can expand your plug-in processing power, balancing your DSP load between Apollo and your computer’s onboard processing