Desktop 12 x 18 Thunderbolt audio interface with four Unison mic preamps, elite-class Apollo X Gen 2 audio conversion, Auto-Gain, Apollo Monitor Correction, Bass Management, QUAD core DSP plug-in processing, and premium software suite for Mac or Windows.

Create with the world’s most powerful desktop audio interface.

Record and mix larger sessions and hear every detail with the next generation of UA’s
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, built to inspire your next collaboration.

Key Benefits

• Hear next generation audio conversion with the widest dynamic range and lowest
  distortion of any Apollo
  
• Experience analog tones with Unison preamps, letting you record in realtime
  through authentic emulations of Neve, API, Avalon, Manley, Fender, and more
  
• Access the full library of 200+ UAD DSP and Native plug-ins, including award-winning titles like Capitol Chambers, Sound City Studios, EL8 Distressor, and
  more
  
• Mix with confidence in any room or through headphones using Apollo Monitor Correction powered by Sonarworks®
• Use Auto-Gain to set your levels across multiple inputs in seconds and never
  miss the take
  
• Hear all the low-end detail in your mixes using bass management to add a subwoofer to your monitor setup
  
• Quickly set up low-latency cues, plug-in scenes, and immersive audio monitoring
  with the UAD Console app
  
• Get thousands of dollars in award-winning UAD plug-in titles from Auto-Tune, Fairchild, Teletronix, and more