Universal Audio Apollo X4 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 modeling -120 dB THD+NStudio-grade D/A conversion 129 dB DNRUltra low-noise recording 2 Elite-Class HP OutsProfessional headphone monitoring 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, 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. 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 StripCS-1 Channel StripHelios Type 69 Preamp & EQPrecision Channel StripUA 610-A Preamp & EQUA 610-B Preamp & EQCompressors / Limiters (7)Fairchild 670 LegacyTeletronix LA-2A Classic LevelerTeletronix LA-2A Gray Classic LevelerTeletronix LA-2A Silver Classic LevelerTeletronix LA-2A Legacy Leveling AmplifierUA 1176LN LegacyUA 1176SE LegacyEqualizers (6)Helios Type 69 Legacy EQPultec EQP-1A Legacy EQPultec EQP-1A Passive EQPultec HLF-3C Passive EQPultec MEQ-5 Passive EQPultec Pro Legacy EQSpecial Processing (4)Auto-Tune Realtime AccessOxide Tape RecorderPrecision Enhancer HzVerve Analog Machines EssentialsInstruments (1)PolyMAX Polyphonic SynthDelay & Modulation (3)Galaxy Tape EchoPrecision Delay ModPrecision Delay Mod LReverbs & Rooms (3)Precision Reflection EnginePure Plate ReverbRealVerb Pro Custom Room ModelerGuitar & Bass (3)Ampeg SVT-VR Classic Bass AmplifierMarshall Plexi Classic AmplifierRaw Distortion See plug-ins included with Studio+ Channel Strips & Preamps (9)Avalon VT-737sp Channel StripCentury Tube Channel StripCS-1 Channel StripHelios Type 69 Preamp & EQManley Reference Microphone PreampPrecision Channel StripUA 610-A Preamp & EQUA 610-B Preamp & EQV76 PreamplifierCompressors / Limiters (17)dbx 160 Compressor / LimiterEmpirical Labs DistressorFairchild 670 LegacyFairchild 660 CompressorFairchild 670 CompressorTeletronix LA-2A Classic LevelerTeletronix LA-2A Gray Classic LevelerTeletronix LA-2A Silver Classic LevelerTeletronix LA-2A Legacy Leveling AmplifierTeletronix LA-3A Classic Audio LevelerUA 1176 Rev A Classic LimiterUA 1176AE Classic LimiterUA 1176LN Rev E Classic LimiterUA 1176LN LegacyUA 1176SE LegacyUA 175B Classic LimiterUA 176 Classic LimiterEqualizers (6)Helios Type 69 Legacy EQPultec EQP-1A Legacy EQPultec EQP-1A Passive EQPultec HLF-3C Passive EQPultec MEQ-5 Passive EQPultec Pro Legacy EQSpecial Processing (7)Auto-Tune Realtime AccessAuto-Tune Realtime AdvancedAuto-Tune Realtime XOxide Tape RecorderPrecision Enhancer HzStuder A800 Multichannel Tape RecorderVerve Analog Machines EssentialsInstruments (6)Electra 88 Vintage Keyboard StudioMoog MinimoogOpal Morphing SynthPolyMAX Polyphonic SynthRavel Grand PianoWaterfall B3 OrganDelay & Modulation (6)Brigade Chorus PedalGalaxy Tape EchoPrecision Delay ModPrecision Delay Mod LStudio D ChorusWaterfall Rotary SpeakerReverbs & Rooms (4)Lexicon 224 Digital ReverbPrecision Reflection EnginePure Plate ReverbRealVerb Pro Custom Room ModelerGuitar & Bass (3)Ampeg SVT-VR Classic Bass AmplifierMarshall Plexi Classic AmplifierRaw 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. 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
