Universal Audio Apollo X6 (Heritage Edition) Thunderbolt 3 Audio Interface (Mac/Win)

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Key Info

This is a Thunderbolt 3 Audio Interface for Mac or Windows, with a plug-in bundle.

Heritage Edition

Universal Audio’s new Apollo Heritage Editions deliver a premium software suite of 5 or 10 award-winning UAD plug-in titles — including the full Collections from Teletronix®, Fairchild®, Pultec®, Helios®, and UA — conveniently packaged at significant savings.

These are the same UAD plug-ins that built UA's reputation for analog modeling over the past decade — making Apollo Heritage Editions the perfect choice for those looking to get the most accurate library of classic analog emulations anywhere, right out of the box.


  • UA 1176 Classic Limiter Collection
  • Teletronix® LA-2A Classic Leveler Collection
  • Pultec® Passive EQ Collection
  • Fairchild® Tube Limiter Collection
  • UA 610 Tube Preamp & EQ Collection
  • Teletronix LA-3A Audio Leveler
  • Helios® Type 69 Preamp & EQ Collection
  • V76 Preamplifier
  • UA Oxide Tape Recorder
  • UA Pure Plate Reverb

Elite, Class-Leading Audio Conversion

The Apollo X6 one of the latest additions to Universal Audio’s revered Apollo series. The Apollo interface series is renowned for its exceptional audio fidelity and class-leading audio conversion. The Apollo X6 builds on this by incorporating new realtime UAD HEXA core processing. It delivers elite-class audio conversion as well as the ability to record with near-zero latency through the included preamp emulations.

The custom A/D and D/a converters provide high-end 24-bit/192kHz audio fidelity. The all-new analog circuitry deliver exceptional sound reproduction providing pristine sound. The interface provides 129 dB dynamic range and -118 dB THD+N, making it perfect for a wide range of sound sources. The 26 x 22 interface includes two Unison enabled mic preamps as well as switchable headroom settings for pro-level studio gear.

Two Unison Microphone Preamps Provide Pristine Sound

Universal Audio’s Unison microphone preamp technology delivers exceptional sound reproduction with strict attention to detail. The Unison technology allows you to use your Unison-enabled mic preamp simulations with your microphone. The Unison technology allows you to faithfully recreate the sweet tones of classic studio gear and preamps.

Realtime UAD HEXA Core Processing

The Apollo X6 features all-new HEX Core processing. This unique technology utilises six DSP chips providing up to percent more UAD plugin processing power than previous Apollo interfaces. This gives you the ability to run more UAD plugins simultaneously.

The UAD plugins available provide realtime processing of your sound sources. They span from classic recreations of Pultec EQs to cutting-edge preamp emulations. This takes your recording capabilities to the next level allowing you to achieve rich, three-dimensions analog sound.

Analog Classic Plus UAD Plug-In Bundle

The Apollo X6 comes complete with he Realtime Analog Classic Plus plug-in bundle. This bundle includes faithful recreations of classic outboard gear including authentic emulations of the Teletronix LA-2A, 1176LN and Fairchild compressors. It also boasts guitar and bass amp emulations form Marshall and Ampeg for classic-sounding instrument tones. The bundle provides you with definitive emulations of the most iconic analog signal processors in recording history.

Additional UAD plugins are available from a versatile library of exclusive emulations. The emulations span some of the most iconic outboard gear and signal processors. The meticulously crafted emulations are designed to sound and react like the hardware they are based on. It virtually gives you a studio full of iconic analog gear in a single rackspace.

Surround Sound Monitoring and +24dBu Operation

The interface also provides comprehensive support for 5.1 surround sound, ideal for audio/visual work. This is ideal for sound engineers and producers working on audio and music for TV, video games and more. It also includes selectable +24 dBu operation for compatibility with mixing consoles and high-end pro audio equipment. It also features integrated talkback and built-in cues for communicating with artists.

Build A Networked Studio System

One of the most unique features of the interface, is the ability to combine up to four Apollo and six UAD-2 devices. This opens up a whole new world of possibilities when it comes to high-end studio projects. The interface features two integrated Thunderbolt 3 ports, which are backwards-compatible with Thunderbolt 1 and 2 macs. This can grow your processing power, adding fast high-bandwidth I/O and DSP as your setup grows.

Ergonomic Design, Versatile Connectivity

The robust and rack-mountable design only takes up a single rack space within your setup. This powerful interface works great as a centrepiece for any professional studio, with illuminated controls for low-light studio sessions. The front of the interface features two Hi-Z instrument inputs located next to the large Preamp volume control.

The front-panel also features built-in buttons for enabling/disabling features and parameters. Buttons included allow you to turn on the Phantom Power, Pad, enable the high-pass filter and switch between inputs. There is also a crisp, detailed monitoring panel on the front which displays all the information about your volume levels, inputs and sample rate.

The rear of the Apollo x6 features six outputs for surround sound as well as dual main monitor outputs. Six line inputs are also included as well as two XLR microphone inputs. In addition to the the two Thunderbolt 3 connections, the rear features S/PDIF connectivity, Word Clock and the ADAT S/MUX connectivity.


  • 16 x 22 Thunderbolt 3 audio interface with class-leading 24-bit/192 KHz conversion (backwards compatible with Thunderbolt 1 & 2 on Mac)
  • Realtime UAD HEXA Core Processing for tracking through UAD plug-ins at near-zero latency, regardless of audio buffer size
  • Record through 2 Unison-enabled mic/line preamps — giving you fully authentic preamp emulations from Neve, API, Manley, SSL, and more†
  • Produce with LUNA Recording System — a fully-integrated recording application made for Apollo (Mac/Thunderbolt)
  • Surround monitor controller up to 5.1 format
  • Includes the "Realtime Analog Classics Plus" UAD plug-in bundle. Other UAD plug-ins sold separately.
  • UAD HEXA Core processing onboard for additional mixing horsepower for Pro Tools, Logic, Cubase, Ableton, and other major DAWs
  • Combine up to 4 Thunderbolt-equipped Apollos and 6 total UAD devices
  • Selectable +24 dBu operation for easy compatibility with professional mixing consoles and tape machines
  • Convenient front panel monitoring functions including Alt Speakers, Talkback mic, and assignable Dim or Mono
  • Free, industry-leading technical support — on the phone and online — from knowledgeable audio engineers

Technical Specifications

  • Line Inputs 6 Balanced ¼" TRS
  • Microphone Inputs 2 Balanced XLR
  • Instrument (Hi-Z) Inputs 2 Unbalanced ¼" TS
  • Digital Inputs (Optical TOSLINK) ADAT: 8 channels @ 44.1 – 96 kHz
  • ADAT: 4 channels @ 176.4 – 192 kHz
  • Digital Inputs (RCA) S/PDIF: 2 channels @ 44.1 – 192 kHz
  • A to D Conversion
  • Mic Preamps Dynamic Range: 122 dB (A-weighted)
  • THD+N: -115 dB (0.00019%)
  • Frequency Response: 20 Hz – 20 kHz, ±0.05 dB
  • Line Inputs Dynamic Range: 123 dB (A-weighted)
  • THD+N: -113 dB (0.00022%)
  • Frequency Response: 20 Hz – 20 kHz, ±0.04 dB
  • Outputs
  • Line Outputs 6 Balanced ¼" TRS
  • Monitor Outputs 2 Balanced ¼" TRS
  • Headphone Outputs 2 Stereo ¼" TRS
  • Digital Outputs (Optical TOSLINK) ADAT: 8 channels @ 44.1 – 96 kHz
  • ADAT: 4 channels @ 176.4 – 192 kHz
  • Digital Outputs (RCA) S/PDIF: 2 channels @ 44.1 to 192 kHz
  • D to A Conversion
  • Line Outputs Dynamic Range: 127 dB (A-weighted)
  • THD+N: -118 dB (0.00011%)
  • Frequency Response: 20 Hz – 20 kHz, ±0.07 dB
  • Monitor Outputs Dynamic Range: 129 dB (A-weighted)
  • THD+N: -118 dB (0.00012%)
  • Frequency Response: 20 Hz – 20 kHz, ±0.06 dB
  • Headphone Outputs Dynamic Range: 125 dB (A-weighted)
  • THD+N: -102 dB (0.00080%)
  • Frequency Response: 20 Hz – 20 kHz, ±0.05 dB

System Requirements


  • Thunderbolt 3 cable (not included)
  • Internet connection to download software and authorize UAD plug-ins
  • 6 gigabytes available storage
  • Quad Core i7 or better processor recommended
  • Available Thunderbolt 3 port
  • Windows 10 (64-Bit Edition)


  • Thunderbolt 3 cable (not included)
  • Internet connection to download software and authorize UAD plug-ins
  • 6 gigabytes available storage
  • Quad Core i7 or better processor recommended
  • Available Thunderbolt 1, 2, or 3 port
  • Thunderbolt 1 and 2 connections require an Apple Thunderbolt 3 to Thunderbolt 2 Adapter (not included)
  • macOS 10.12 Sierra, 10.13 High Sierra, 10.14 Mojave, or 10.15 Catalina
Model Name:
Apollo X6 (Heritage Edition)
Universal Audio

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