Audio Interfaces

Universal Audio Apollo X4 Studio+. Desktop Thunderbolt digital audio interface with 12 inputs and 18 outputs, 4 Unison mic preamps, and cutting-edge Apollo X Gen 2 audio converters. It introduces auto-gain, Sonarworks monitoring correction (purchase separately), a bass manager, and QUAD Core DSP for plug-in processing. It comes with a full software suite for Mac and Windows. The Studio+ version includes over 50 plug-ins and instruments including Auto-Tune Realtime X Advanced.

ARTICLE N° 98553
  • Universal Audio Apollo X4 Studio+
  • Improved Output Converters for Critical Listening (Monitoring and Headphone Outputs)
  • Further reduced distortion and background noise
  • Auto-Gain function for Assisted Recording Level Adjustment
  • Integrated Acoustic Correction (Sonarworks SoundID + Apollo Monitor Correction add-on, purchased separately)
  • Bass Management for Subwoofers, in Stereo or Surround
  • Studio+ Edition: bundle of more than 50 plug-ins and instruments, worth €4,500 (excluding promotions)
  • 12-input, 18-output Thunderbolt audio interface with QUAD Core DSP processor for plug-ins
  • Four Unison™ microphone preamps, two high-impedance (Hi-Z) instrument inputs, Toslink optical input/output (ADAT or S/PDIF)
  • Two speaker outputs on jacks 1/4" (6.35 mm), four 1/4" (6.35 mm) line outputs (ALT 1/2), two 1/4" (6.35 mm) TRS headphone outputs
  • Advanced 2nd generation Apollo X converters with 24-bit/192 kHz digital audio resolution
  • D/A conversion optimized for critical listening with 129 dB dynamic range
  • Calibrate the outputs of your main monitor speakers or headphones with Apollo Monitor Correction powered by Sonarworks®* technology
  • Full-featured monitoring controller with alternate speaker switch and talkback mic for easy communication with artists
  • Updated UAD Console app with Auto Gain, Plug-in Scenes, Bass Manager for subwoofer integration, Immersive Sound support, and more
  • Built-in DSP supports over 200 UAD plug-ins via 64-bit VST, AU and AAX formats in major DAWs
  • Compatible with LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live, etc.**
  • Upgradeable with Apollo Thunderbolt interfaces or select models via Dante networking
  • Free technical support from expert audio hardware engineers
  • *Available before the end of 2024. Requires Apollo Monitor Correction add on and SoundID Reference licenses available on sonarworks.com
Designed to push the boundaries of music creation, Universal Audio’s Apollo x4 delivers exceptional sound quality with state-of-the-art A/D converters and Unison preamps that faithfully emulate legendary analog preamps. QUAD Core DSP, combined with UAD’s extensive plug-in library, lets you work in real time with high-quality processing and no perceptible latency.

Apollo Monitor Correction, coupled with Sonarworks technology (available for a fee in November 2024), ensures accurate and consistent monitoring on any monitoring system. UAD Console’s intuitive and customizable user interface makes it easy to set up and control your work environment.

Apollo x4 is more than just an audio interface. It’s a true control center for your studio, allowing you to work efficiently and creatively on your most ambitious projects. Whether you're a composer, producer, sound engineer or artist, the Apollo x4 will give you the sound quality and flexibility you need to realize your dreams.
Computer connection
 Thunderbolt 3
Desktop
 Yes
Maximum resolution
 24 bit
Max sampling frequency
 192
Compatibility
 MacOS, Windows
Micro input
 4
Phantom power
 Yes
Instrument input
 Yes
Line input
 4
Digital input
 ADAT, S/PDIF Optical
Line output
 6
Headphone output
 2
Digital output
 Adat, S/PDIF Optical
Effects
 DSP effects
Software incl.
 Musical Soft
Power supply
 Power adapter (included)
Les interfaces Apollo Twin X et X4 prennent la fonction de contrôleur de monitoring lorsqu’elles sont associées à d’autres Apollo x en rack.

Plug-ins inclus dans l’édition Studio+ :
- 9x Préamplis et tranches de consoles :
- 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

- 17x Compresseurs/limiteurs :
- dbx 160 Compressor / Limiter
- Empirical Labs Distressor
- Fairchild 670 Legacy
- Fairchild 660 Compressor
- Fairchild 670 Compressor
- Teletronix LA-2 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

- 6x Égaliseurs :
- 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

- 6x Traitements spéciaux :
- Auto-Tune Realtime Access
- Auto-Tune Realtime X
- Oxide Tape Recorder
- Precision Enhancer Hz
- Studer A800 Multichannel Tape Recorder
- Verve Analog Machines Essentials

- 6x Instruments :
- Electra 88 Vintage Keyboard Studio
- Moog Minimoog
- Opal Morphing Synth
- PolyMAX Polyphonic Synth
- Ravel Grand Piano
- Waterfall B3 Organ

- 5x Délais et modulations :
- Brigade Chorus Pedal
- Galaxy Tape Echo
- Precision Delay Mod
- Precision Delay Mod L
- Studio D Chorus

- 4x Réverbes et ambiances :
- Lexicon 224 Digital Reverb
- Precision Reflection Engine
- Pure Plate Reverb
- RealVerb Pro Custom Room Modeler

- 3x Guitare et basse :
- Ampeg SVT-VR Classic Bass Amplifier
- Marshall Plexi Classic Amplifier
- Raw Distortion

Spotlight on

For over 50 years, Universal Audio has been an industry leader in DSP audio modeling and vintage analog technology. The American manufacturer has released groundbreaking products such as the LA-2A compressor and the 610 tube mic preamp which have been used to record artists as diverse as the Beach Boys and Van Halen. 
Since the 2000s, Universal Audio has been faithfully reproducing classic analog recording equipment and designing new digital recording tools in keeping with the sound and spirit of vintage analog technology. Best-sellers include the Apollo interface, UAD-2 Satellite, UAD plug-ins, UADFX pedals and the OX Amp Top Box.