Universal AudioApollo x4 Thunderbolt 3 Audio Interface - Heritage Edition


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Apollo VIP Studio Promo: until May 31st, purchase an Apollo audio interface and receive up to $2539 worth of UAD plugins for free upon registration! Add legendary sounds like Galaxy Space Echo, Fender '55 Deluxe, and PolyMax Synth to your productions.

Universal Audio Apollo x4

The Universal Audio Apollo x4 is the perfect middle ground between their Apollo series flagship rackmount interfaces and the Twin series of desktop interfaces. Boasting the processing power of a UAD-2 quad-core processor and an extensive amount of both analog and digital I/O, the Apollo x4 is an ideal choice for professionals who need a compact and portable powerhouse of DSP with uncompromising Universal Audio performance.

The Apollo x4 features all of the professional quality considerations of it's larger siblings, including elite-class AD/DA converters as well as four Unison pre-amps which allow you to sample the character of vintage consoles and iconic gear through DSP modeling. Combined with industry renowned Universal Audio AD/DA conversion and a stunning 24-bit, 192kHz recording resolution, the Apollo x4 gives interfaces twice its size a run for their money, and equipped with Thunderbolt 3 digital connections and legendary UA processing power means that the Apollo x4 is capable of processing audio through the extensive suite of software plug-ins with ultra-low latency in real-time.

Apollo x4 Features

  • 12 in, 18 out audio interface with UAD-2 quad-core processor
  • Four Unison pre-amps with DSP modeling based on vintage consoles and classic gear
  • Pro-level A/D and D/A convertors support audio up to 24-bit/192 KHz
  • Wide dynamic range
  • Compact and portable desktop operation
  • Ultra-low latency audio processing
  • Included Analog Classics plugins: UA 610-B, UA 1176LN Legacy, UA 1176SE Legacy, Ampeg SVT-VR Classic, Fairchild 670 Legacy, Marshall Plexi Classic, Precision Channel Strip, Precision Reflection Engine, Precision Delay Mod, Precision Delay Mod L, Precision Enhancer Hz, Pultec EQP-1A Legacy, Pultec-Pro Legacy, Teletronix LA-2A Legacy, Raw Distortion, RealVerb Pro
  • Heritage Edition Plug-in Bundle includes: UA 1176 Classic Limiter Collection, Teletronix LA-2A Classic Leveler Collection & LA-3A Audio Leveler, Pultec Passive EQ Collection, V76 Preamplifier, Fairchild Tube Limiter Collection, Helios Type 69 Preamp & EQ Collection, UA 610 Tube Preamp & EQ Collection, Oxide Tape Recorder and Pure Plate Reverb
  • Now includes native versions of UAD plugins available as part of UAD Spark, with more to come in the future
  • Inputs: Four XLR/1/4" combo, two High-Z 1/4", Optical Toslink (ADAT/S/PDIF)
  • Outputs: Two monitor 1/4", four 1/4" line out, two 1/4" headphone
  • A/D resolution: Up to 24-bit/192kHz
  • Thunderbolt 3 connection (backward compatible with Thunderbolt 1 and 2 on Mac)
  • macOS 10.12+/Windows 10+ 64-bit, i7 processor or better
  • 12V DC power supply included
  • 9.17 x 2.6 x 5.95"/233 x 66 x 151.1mm
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Universal Audio Apollo x4 Thunderbolt 3 Audio Interface - Heritage Edition Reviews