Apollo x4
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Record hits with the world’s most powerful desktop audio interface.
Produce larger sessions with our most powerful desktop Apollo. Featuring highest-resolution audio conversion, four Unison™ mic preamps, and realtime UAD processing — letting you record through plug-ins from Neve, API, Manley, Auto-Tune, and hundreds more — Apollo x4 levels up your studio with legendary UA sound, built to inspire your next collaboration.
Produce music with elite-class Apollo X Gen 2 converters, and hear every detail with unprecedented dynamic range
Use four Unison preamps to get the tone and feel of iconic analog gear from Neve, API, Manley, Fender, and more
Record through UAD plug-ins in realtime with onboard QUAD Core DSP
Work faster with new UAD Console features including Auto-Gain, Plug-In Scenes, Monitor Controller, Immersive Audio, and more
Mix with confidence in any room or through headphones using Apollo Monitor Correction by Sonarworks®*
Get included UAD plug-ins from Auto-Tune, Fairchild, Teletronix, and more with Essentials+ or Studio+ Editions
4 Unison PreampsImpedance-matched analog modelingUnison technology recreates the sound and feel of classic analog gear with digital control of mic preamp impedance and gain staging.-120 dB THD+NStudio-grade D/A conversionApollo X Gen 2 converters let you record with unprecedented low noise and distortion (0.0001% THD+N).129 dB DNRUltra low-noise recordingEnhanced Monitor D/A delivers the widest dynamic range of any Apollo interface to date.2 Elite-Class HP OutsProfessional headphone monitoringClean, powerful headphone amplification delivers 124 dB DNR and -108 dB (0.0004%) THD+N into 300Ω.Get Our Most Powerful Desktop Apollo
We built Apollo x4 to expand on the gold-standard Apollo Twin, the audio interface that single-handedly revolutionized home studio recording. With expanded I/O, elite-class 24-bit/192 kHz audio conversion, and the widest dynamic range to date, Apollo x4 puts the sound of the stars in reach for your next collaboration.
Record Through Iconic Preamps
With four Unison™ preamps and dual front panel Hi‑Z instrument inputs, Apollo x4 lets you track through emulations of classic gear from Neve, Manley, API, Fender, and dozens more, giving you the rich analog textures used on the greatest recordings of our time.
Hear the Details Like Never Before
Now in its Gen 2 design, Apollo x4 features our highest-resolution D/A converters ever. This enhanced monitoring — when paired with features like Apollo Monitor Correction by Sonarworks* — means you’ll hear the most accurate representation of your recordings when mixing through monitors or headphones.
*Coming November 2024. Learn more at sonarworks.com ›
See What’s New in Gen 2Learn about the next Generation of Apollo from top artists and influencers around the globe.
▼Mix with Authentic Analog Sounds
Out of the box, Apollo x4 gives you the tools used in the world’s biggest recording studios. Along with included LA-2A compressors, Pultec EQs, and amps from Marshall and Ampeg — you can tap into the entire library of over 200 UAD plug-ins to unlock proven hit-making sounds.
See plug-ins included with Essentials+Channel Strips & Preamps (6)
Century Tube Channel Strip
CS-1 Channel Strip
Helios Type 69 Preamp & EQ
Precision Channel Strip
UA 610-A Preamp & EQ
UA 610-B Preamp & EQ
Compressors / Limiters (7)
Fairchild 670 Legacy
Teletronix LA-2A Classic Leveler
Teletronix LA-2A Gray Classic Leveler
Teletronix LA-2A Silver Classic Leveler
Teletronix LA-2A Legacy Leveling Amplifier
UA 1176LN Legacy
UA 1176SE Legacy
Equalizers (6)
Helios Type 69 Legacy EQ
Pultec EQP-1A Legacy EQ
Pultec EQP-1A Passive EQ
Pultec HLF-3C Passive EQ
Pultec MEQ-5 Passive EQ
Pultec Pro Legacy EQ
Special Processing (4)
Auto-Tune Realtime Access
Oxide Tape Recorder
Precision Enhancer Hz
Verve Analog Machines Essentials
Instruments (1)
PolyMAX Polyphonic Synth
Delay & Modulation (3)
Galaxy Tape Echo
Precision Delay Mod
Precision Delay Mod L
Reverbs & Rooms (3)
Precision Reflection Engine
Pure Plate Reverb
RealVerb Pro Custom Room Modeler
Guitar & Bass (3)
Ampeg SVT-VR Classic Bass Amplifier
Marshall Plexi Classic Amplifier
Raw Distortion
See plug-ins included with Studio+Channel Strips & Preamps (9)
Avalon VT-737sp Channel Strip
Century Tube Channel Strip
CS-1 Channel Strip
Helios Type 69 Preamp & EQ
Manley Reference Microphone Preamp
Precision Channel Strip
UA 610-A Preamp & EQ
UA 610-B Preamp & EQ
V76 Preamplifier
Compressors / Limiters (17)
dbx 160 Compressor / Limiter
Empirical Labs Distressor
Fairchild 670 Legacy
Fairchild 660 Compressor
Fairchild 670 Compressor
Teletronix LA-2A Classic Leveler
Teletronix LA-2A Gray Classic Leveler
Teletronix LA-2A Silver Classic Leveler
Teletronix LA-2A Legacy Leveling Amplifier
Teletronix LA-3A Classic Audio Leveler
UA 1176 Rev A Classic Limiter
UA 1176AE Classic Limiter
UA 1176LN Rev E Classic Limiter
UA 1176LN Legacy
UA 1176SE Legacy
UA 175B Classic Limiter
UA 176 Classic Limiter
Equalizers (6)
Helios Type 69 Legacy EQ
Pultec EQP-1A Legacy EQ
Pultec EQP-1A Passive EQ
Pultec HLF-3C Passive EQ
Pultec MEQ-5 Passive EQ
Pultec Pro Legacy EQ
Special Processing (7)
Auto-Tune Realtime Access
Auto-Tune Realtime Advanced
Auto-Tune Realtime X
Oxide Tape Recorder
Precision Enhancer Hz
Studer A800 Multichannel Tape Recorder
Verve Analog Machines Essentials
Instruments (6)
Electra 88 Vintage Keyboard Studio
Moog Minimoog
Opal Morphing Synth
PolyMAX Polyphonic Synth
Ravel Grand Piano
Waterfall B3 Organ
Delay & Modulation (6)
Brigade Chorus Pedal
Galaxy Tape Echo
Precision Delay Mod
Precision Delay Mod L
Studio D Chorus
Waterfall Rotary Speaker
Reverbs & Rooms (4)
Lexicon 224 Digital Reverb
Precision Reflection Engine
Pure Plate Reverb
RealVerb Pro Custom Room Modeler
Guitar & Bass (3)
Ampeg SVT-VR Classic Bass Amplifier
Marshall Plexi Classic Amplifier
Raw Distortion
Find Your Perfect Workflow
Just like many pro studios, where an analog console is the heart of the workflow, Apollo x4 has a powerful 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.
Learn more about UAD Console ›
A Hybrid System for Your Mission
Combine Apollo x4’s DSP processing with native processing from your 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 out your dream studio by linking up to four Thunderbolt Apollo interfaces for up to 128 channels of premium I/O, 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.**
12 x 18 Thunderbolt 3 audio interface with QUAD Core DSP plug-in processing
Four Unison™ mic preamps, two Hi-Z instrument inputs, optical Toslink I/O (ADAT or S/PDIF)
Two 1/4" monitor outs, four 1/4" line outs (ALT 1 / 2), two 1/4" TRS headphone outs
Elite-class Apollo X Gen 2 converters with 24-bit / 192 kHz resolution
Enhanced D/A for critical monitoring and playback with 129 dB dynamic range
Calibrate your main monitor and headphone outputs with Apollo Monitor Correction powered by Sonarworks®*
Fully-featured monitor controller with alternate speaker switching and integrated talkback for easy communication with talent
Updated UAD Console app featuring Auto-Gain, Plug-In Scenes, subwoofer integration with Bass Management, immersive audio support, and more
Onboard DSP supports over 200 UAD plug-ins via VST, AU, and AAX 64 formats in all major DAWs
Includes up to 50+ UAD plug-ins with Essentials+ or Studio+ Editions
Compatible with LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live, and more**
Expandable with Thunderbolt Apollo interfaces or select models over Dante
Free industry-leading technical support from knowledgeable audio engineers
“Everyone assumes I use a lot of outboard gear, but with Apollo Twin and UAD plug-ins, I get incredible sounds on the go, anywhere.”
– Louis Bell (Post Malone, DJ Snake, Cardi B)
“Having the Apollo with UAD plug-ins at my disposal is like carrying a giant studio with outboard racks at all times. Minus the tech fees, down time, and electricity bill!”
– Andrew Dawson (Jay-Z, Fun.)
“With the Apollo 8 in the studio and an Apollo Twin on the go, I know I've got the best sound quality and an incredible arsenal of plug-ins — wherever I'm working.”
– Jeremy Ruzumna (Fitz And The Tantrums)
“My Apollos are my sound.
Where I go, they go.”
– Trevor Lawrence Jr. (Dr. Dre, Herbie Hancock, Eminem)
“I knew about the ingredients of Apollo, but this is truly a special dish. The Apollo just set a new standard of excellence for audio interfaces, in terms of both its sound and its feature set.”
– Fab Dupont (Shakira, Santigold, Jennifer Lopez)
“Apollo is a platform that grows more powerful with every innovation – the UAD plug-in processing onboard has changed the way I work forever.”
– Tony Platt (AC/DC, Bob Marley, Buddy Guy)
“The Apollo's ability to do low latency – I mean that's the whole ballgame right there.”
– Joey Waronker (Atoms for Peace, Beck, Other Lives)
“The Apollo is the best I/O we've ever used, and we've tried them all. It has an incredibly clean, transparent, and accurate sound.”
– The Glitch Mob
“I’m totally blown away by the stunning sound quality of the Apollo. The ability to use UAD plug-ins in real-time is pure genius. It’s the centerpiece of my new studio.”
– Richard Devine
“The Apollo has some of the better preamps I've ever heard – lots of headroom, quiet at high-gains, and the converters are really sweet sounding.”
– Mick Guzauski (Daft Punk, Mariah Carey, Eric Clapton)
“The Apollo is a powerhouse and a game changer for my studio.”
– GrievesDownloads
*Apollo Monitor Correction by Sonarworks coming November 2024.
**For full compatibility information, refer to help.uaudio.com -
Customer Reviews
Apollo x4
O. diValentin
Convoluted to say the least.
Maybe when you buy one unit, it wouldn’t be so arduous but when you have to register three systems and pick out extra plug-ins and then double check to make sure you’re getting a good deal on there thousand dollar bundle deal, it will feel daunting. You will want to double check to make sure that you’re not getting copies of plug-ins you already got with your unit and when you look up the bundle you gonna want to add up the numbers. If you bought more than one system it’s likely that that bundle is not worth $1000 Even when it’s down from $3400. Don’t expect help from Universal audio, Their help bot will offer you 47 different articles that have nothing to do with your questions and then they will have you send an email to one of their help reps that won’t answer your question, tell you that you’re doing a great job and then send you more articles to look up. If you switch to UA, you are on your own and maybe if you’re lucky you had a good sales rep that actually knows this system. I almost forgot to mention expect at least 10 emails a day, I kid you not. Good luck Apollo users, you’re gonna need it.
O. diValentin
Convoluted to say the least.
Maybe when you buy one unit, it wouldn’t be so arduous but when you have to register three systems and pick out extra plug-ins and then double check to make sure you’re getting a good deal on there thousand dollar bundle deal, it will feel daunting. You will want to double check to make sure that you’re not getting copies of plug-ins you already got with your unit and when you look up the bundle you gonna want to add up the numbers. If you bought more than one system it’s likely that that bundle is not worth $1000 Even when it’s down from $3400. Don’t expect help from Universal audio, Their help bot will offer you 47 different articles that have nothing to do with your questions and then they will have you send an email to one of their help reps that won’t answer your question, tell you that you’re doing a great job and then send you more articles to look up. If you switch to UA, you are on your own and maybe if you’re lucky you had a good sales rep that actually knows this system. I almost forgot to mention expect at least 10 emails a day, I kid you not. Good luck Apollo users, you’re gonna need it.
