Universal Audio Apollo x4 Gen 2 UAD Analog Classics
Thunderbolt Audio Interface
For a limited time, get up to 12 FREE plug-ins with an eligible Apollo Interface and upgrade your studio with world-class sound.
Apollo gives you the authentic, analog sound of your favorite records in realtime with UAD plug-ins from the biggest names in the industry. Combining elite audio conversion with the best production tools, Apollo is the world’s most trusted audio interface.
What's included? Strap yourselves in:
Buy an Apollo Solo TB3 Heritage Edition, Apollo Solo USB Heritage Edition, or Apollo Twin X USB Heritage Edition and receive: A-Type Multiband Dynamic Enhancer, LA-6176 Signature Channel Strip, Topline Vocal Tune, UA 175B & 176 Tube Compressor Collection, and Vibe Analog Machines.
Buy an Apollo Twin X DUO Gen 2 UAD Analog Classics, Apollo Twin X QUAD Gen 2 UAD Analog Classics, or Apollo x4 Gen 2 UAD Analog Classics and receive: A-Type Multiband Dynamic Enhancer, Electra 88 Vintage Keyboard Studio, Pultec Passive EQ Collection, Topline Vocal Tune, UA 175 & 176 Tube Compressor Collection, and Vibe Analog Machines.
Buy an Apollo Twin X DUO Gen 2 UAD Analog Classics Pro, Apollo Twin X QUAD Gen 2 UAD Analog Classics Pro, or Apollo x4 Gen 2 UAD Analog Classics Pro and receive: Anthem Analog Synthesizer, Electra 88 Vintage Keyboard Studio, Opal Morphing Synth, Ravel Grand Piano, Topline Vocal Tune, UA 175 & 176 Tube Compressor Collection, Vibe Analog Machines, and Waterfall B3 Organ.
Buy an Apollo x6 Gen 2 UAD Analog Classics, Apollo x8 Gen 2 UAD Analog Classics, Apollo x8p UAD Analog Classics, Apollo x16 UAD Analog Classics, or Apollo x16D UAD Analog Classics and receive: A-Type Multiband Dynamic Enhancer, Electra 88 Vintage Keyboard Studio, 1176 Classic Limiter Collection, Pultec Passive EQ Collection, Topline Vocal Tune, UA 175B & 176 Tube Compressor Collection, and Vibe Analog Machines.
Buy an Apollo x6 Gen 2 UAD Analog Classics Pro, Apollo x8 Gen 2 UAD Analog Classics Pro, or Apollo x8p UAD Analog Classics Pro and receive: Anthem Analog Synthesizer, Electra 88 Vintage Keyboard Studio, Opal Morphing Synth, Ravel Grand Piano, Topline Vocal Tune, UA 175 & 176 Tube Compressor Collection, Vibe Analog Machines, Waterfall B3 Organ, and Waterfall Rotary Speaker.
Ends July 31.
Terms & Conditions: Offer valid only for customers who purchase eligible Apollo Audio Interfaces from an authorized UA retailer between July 1 and July 31, 2026. Customers must register their purchase by August 15th, 2026 to receive free promotional plug-ins (no substitutions, all fulfillment is subject to approval by Universal Audio).
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.
FEATURES
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12 x 18 Thunderbolt audio interface with QUAD Core DSP plug-in processing
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Four UnisonTM mic preamps, two Hi-Z instrument inputs, optical Toslink I/O (ADAT or S/PDIF)
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Two 1/4" monitor outs, four 1/4" line outs (ALT 1 / 2), two 1/4" TRS headphone outs
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Elite-class Apollo X Gen 2 converters with 24-bit / 192 kHz resolution
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Enhanced D/A for critical monitoring and playback with 129 dB dynamic range
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Calibrate your main monitor and headphone outputs with Apollo Monitor Correction powered by Sonarworks®*
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Fully-featured monitor controller with alternate speaker switching and integrated talkback for easy communication with talent
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Updated UAD Console app featuring Auto-Gain, Plug-In Scenes, subwoofer integration with Bass Management, immersive audio support, and more
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Onboard DSP supports over 200 UAD plug-ins via VST, AU, and AAX 64 formats in all major DAWs
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Includes up to 80+ UAD plug-ins with UAD Analog Classics or UAD Analog Classics Pro Editions
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Compatible with LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live, and more**
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Expandable with Thunderbolt Apollo interfaces or select models over Dante
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Free industry-leading technical support from knowledgeable audio engineers
KEY BENEFITS
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Hear next generation audio conversion with the widest dynamic range and lowest distortion of any Apollo
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Experience analog tones with UnisonTM preamps, letting you record in realtime through authentic emulations of Neve, API, Avalon, Manley, Fender, and more
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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
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Mix with confidence in any room or through headphones using Apollo Monitor Correction powered by Sonarworks®*
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Use Auto-Gain to set your levels across multiple inputs in seconds and never miss the take
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Hear all the low-end detail in your mixes using bass management to add a subwoofer to your monitor setup
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Quickly set up low-latency cues, plug-in scenes, and immersive audio monitoring with the UAD Console app
Get the Most Powerful Desktop Apollo Ever
Universal Audio built Apollo x4 to expand on the gold-standard Apollo Twin, the interface that single-handedly revolutionized home and project studio recording. With its expanded I/O count, unprecedented dynamic range, and elite-class 24-bit / 192 kHz audio conversion — now with enhanced monitoring — Apollo x4 puts the sound of the stars in reach for project studios and collaborators.
Record Through Iconic Preamps
With four Unison™ preamps and dual front panel Hi‑Z instrument inputs, Apollo x4 lets you track in realtime through preamp and channel strip plug-ins from Neve, Manley, API, and dozens more, giving you the same rich analog textures used on the greatest recordings of our time.
Mix with Authentic Analog Sounds
Right out of the box, Apollo x4 gives you the tools used in the world’s biggest recording studios. Along with included Teletronix LA-2A compressors, Pultec EQs, and amps from Marshall and Ampeg — you can tap into the entire library of over 200 UAD plug-ins and unlock proven hit-making sounds like Ocean Way Studios, Capitol Chambers, and many more.
Hear the Details Like Never Before
Now in its Gen 2 design, Apollo x4 features UA’s highest-resolution D/A converters ever paired with Apollo Monitor Correction powered by Sonarworks.® This means that when you playback your audio through monitors or headphones, you’ll not only hear the most pristine representation of your recordings, there will be no surprises when you listen to your final mix or master.
Find Your Flow in the UAD Console App
Just like an analog studio, where a console is the heart of the workflow, Apollo x4 has a powerful digital mixing engine where you control plug-in routing and monitoring. And with the latest features like Auto-Gain, Bass Management and Plug-In Scenes, it’s easy to find a flow that fits your needs.
A Hybrid System, Made for Your Mission
Combine Apollo x4’s QUAD Core DSP with native processing from your host computer to produce large sessions with complex plug-in chains — a powerhouse hybrid workflow that outpaces any native-only recording setup.
Expand Your Studio as You Grow
Build your studio by linking up to four Thunderbolt Apollo interfaces with up to 128 channels of premium I/O to your DAW, and control it all from your desktop using Apollo x4. So no matter how far your music takes you, an Apollo will always be in reach.**
*Coming Q4 2024, requires Apollo Monitor Correction Add-on and SoundID Reference licenses, available from sonarworks.com
**For full compatibility information, refer to help.uaudio.com
For the full list of Included Plug-Ins, go to: https://www.uaudio.com/pages/audio-interface
For more information, click here to visit the manufacturers website.

