* 18-in/24-out Thunderbolt 3 audio interface for Mac or PC with powerful HEXA Core processor * Next-generation elite-class AD/DA conversion supplies an ultra-pristine signal path with 130dB DNR and -127dB THD+N * Dual-Crystal clocking supplies a low-jitter environment for pure, artifact-free recording and solid stereo imaging * Unison preamps allow you to track through models of the industry’s most legendary hardware * Onboard DSP combines with your host computer’s native processing to create a powerhouse hybrid workflow * Four Unison™ mic preamps, two Hi-Z instrument inputs, eight 1/4" line inputs, two optical Toslink I/O (ADAT S/MUX), RCA coaxial I/O (S/PDIF), word clock I/O (BNC) * Apollo Monitor Correction (optional add-on) empowers you to mix confidently in any room or through headphones * Bass Management optimizes your subwoofer for maximum low-frequency detail * Two 1/4" monitor outs, eight 1/4" line outs (ALT / 7.1 surround), two 1/4" TRS headphone outs * Auto-Gain feature sets levels across multiple inputs * Elite-class Apollo X Gen 2 converters with 24-bit / 192 kHz resolution featuring Dual-Crystal Clocking for ultra-low jitter at all sample rates * Native support for mixing formats up to 7.1 to accommodate surround sound and other multichannel formats * Enhanced D/A for critical monitoring and playback with 130 dB dynamic range and astonishingly low THD of -127 dB * Full-featured monitor control with speaker switching and integrated talkback * Updated UAD Console app quickly sets up low-latency cues, plug-in scenes, and immersive audio monitoring * Compatible with UA’s LUNA software for ultra-tight hardware/software integration * Ultra-fast Thunderbolt 3 connectivity provides near-zero latency and ample expandability * Expandable with Thunderbolt Apollo interfaces and Dante via Apollo x16D * Onboard DSP supports over 200 UAD plug-ins via VST, AU, and AAX 64 formats in all major DAWs * Includes a generous suite of award-winning UAD plug-ins