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. Produce music with the authentic sound of analogUA'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.Add the Worlds Most Trusted Interface to Your RackUniversal Audio built Apollo x8 for pro and project studios where highest-quality audio is a must