Rackmount 18 x 24 Thunderbolt audio interface with four Unison mic preamps, elite-class Apollo X Gen 2 audio conversion, Auto-Gain, Apollo Monitor Correction, up to 7.1 surround sound with Bass Management, HEXA core DSP plug-in processing, and premium software suite for Mac or Windows. UA's next generation of Apollo x8 interfaces is here, for studio producers who need highest-resolution audio conversion, four Unison mic preamps, and HEXA Core DSP processing for recording and mixing with world-class UAD plug-ins from Auto-Tune, Neve, Manley, Avalon, SSL, and hundreds more. Trusted by top producers and engineers around the globe who need elite-class Apollo X sound and DSP power with more inputs and outputs, Apollo x8 brings legendary UA craftsmanship and the sound of the stars right to your rack.