Universal Audio Apollo x4 Gen 2 - 12x18 Thunderbolt Audio Interface with Essentials Plus Plugin BundleRecord and mix larger sessions and hear every detail with the next generation of UAs Apollo x4 interfaces, featuring highest resolution audio conversion, four Unison mic preamps, and QUAD Core DSP processing letting you record in realtime through UAD plug ins from Neve, Manley, Avalon, SSL, and hundreds more. Trusted by top artists and producers the world over, Apollo x4 levels up your productions with timeless sound and legendary UA craftsmanship,