The Universal Audio Apollo x4 Gen 2 Audio Interface with UAD Analog Classics gives you an advanced desktop recording solution with high-resolution audio conversion, four Unison mic preamps and QUAD Core DSP processing. It lets you record and mix larger sessions while hearing every detail through industry-leading UAD plug-ins. The Apollo x4 Gen 2 provides timeless sound and craftsmanship to inspire your next collaboration.

Hear Next-Generation Audio Conversion

Experience the widest dynamic range and lowest distortion of any Apollo interface. The elite-class 24-bit/192kHz audio conversion gives you high resolution to capture every nuance of your performance. Monitor with confidence using Apollo Monitor Correction powered by Sonarworks to ensure balanced sound in any space.

Record Through Iconic Preamps

The four Unison mic preamps let you record through authentic emulations of preamps from Neve, API, Avalon and more. Dial in tones from the world's most sought-after consoles and outboard gear. Unison preamps provide the tone-shaping power of physical preamps with the flexibility of plug-ins.

Included UAD Analog Classics Software Bundle

Record and mix with a curated collection of UAD plug-ins, including emulations of classic compressors, EQs, preamps, tape machines and effects. Shape tracks with tools inspired by legendary studio hardware, add warmth with the Oxide Tape Recorder and enhance mixes with premium reverbs and dynamics processing. The included UAD Analog Classics bundle provides a versatile foundation for recording, mixing and production.

Mix and Monitor With Ease

Use Auto-Gain to quickly set levels across multiple inputs. Add a subwoofer to your monitors with bass management. Create custom low-latency cue mixes and plug-in chains with the UAD Console app. Apollo x4 Gen 2 provides an intuitive, hands-on experience whether you're tracking, overdubbing, mixing or mastering.