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Universal Audio Apollo x16 Heritage Edition Rackmount 18x20 Thunderbolt 3 Audio Interface with Realtime UAD HEXA Core Processing for Mac and Windows

SKU: UAPX16HE MFR: APX16-HE
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Key Features

  • Experience pristine audio fidelity with this Universal Audio Thunderbolt 3 audio interface.
  • Harness UAD HEXA Core processing for rich, low latency plugin performance in your DAW.
  • Elevate your studio with 18x20 simultaneous inputs/outputs for complex recording sessions.
  • Integrate seamlessly with Mac/Windows via Thunderbolt 3 for high-speed audio transfer.
  • Unlock a suite of 34 UAD plugins, adding professional effects to your digital audio workstation.
  • Achieve ultra-low latency (1.1ms at 96kHz) for real-time monitoring and mixing perfection.
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Special Order?Estimated to Ship: 08/18/2025
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Universal Audio Apollo x16 Specifications

General

General

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  • Form Factor

    Rackmount

  • Display

    18x Multi-Segment LED Meter

  • Channels of I/O

    Analog:
    16 Inputs / 18 Outputs at 192 kHz

    Digital:
    2 Inputs / 2 Outputs at 192 kHz

  • Max Sample Rate/Resolution

    192 kHz / 24-Bit

  • Number of Mic Preamps

    None

  • Expansion Slots

    None

  • Pad

    None

  • High-Pass Filter

    None

  • Solo/Mute

    Mute per Master

Connectivity

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  • Analog Audio I/O

    2x DB-25 25-Pin Balanced Line/8-Channel Input
    2x DB-25 25-Pin Balanced Line/8-Channel Output
    2x XLR 3-Pin Balanced Monitor Output

  • Phantom Power

    None

  • Digital Audio I/O

    1x XLR 3-Pin AES3 Input
    1x XLR 3-Pin AES3 Output

  • Host Connection / USB

    1x USB Type-C (Thunderbolt 3)

  • USB (Non-Host)

    None

  • Sync I/O

    1x BNC Word Clock Input
    1x BNC Word Clock Output

  • Network I/O

    None

  • MIDI I/O

    None

  • Wireless Connectivity

    None

Performance

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  • Frequency Response

    Line Inputs:
    20 Hz to 20 kHz +/-0.05 dB

    Line Outputs:
    20 Hz to 20 kHz +/-0.02 dB

    Monitor Outputs:
    20 Hz to 20 kHz +/-0.02 dB

  • Max Input Level

    Line Inputs:
    +24 dBu (Balanced, +4 dBu)
    +6.2 dBV (Balanced, -10 dBV)

  • Max Output Level

    Line/Monitor Outputs:
    +24 dBu (+4 dBu)
    +10 dBV (-10 dBV)

  • Impedance

    Line Inputs:
    10 Kilohms

    Line/Monitor Outputs:
    100 Ohms

    Word Clock :
    75 Ohms

  • Dynamic Range

    Line Inputs:
    124 dBA

    Line Outputs:
    127 dBA

    Monitor Outputs:
    133 dBA

  • THD+N

    Line Inputs:
    -115 dB / 0.00018% (1 kHz, +23 dBu Input)

    Line Outputs:
    -123 dB / 0.00068% (1 kHz, at -1 dBFS)

    Monitor Outputs:
    -129 dB / 0.000037% (1 kHz, at -1 dBFS)

Digital Audio

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  • Sample Rates

    Up to 192 kHz

  • Sample Rate Conversion

    None

  • Bit Depths

    24-Bit (AD/DA Conversion)

  • Latency

    1.1 ms at 96 kHz (Input to Output)

  • Sync Sources

    AES3, Internal, Word Clock

  • Clocking

    Word Clock:
    Input Termination: 75 Ohms (Switchable)
    Lock Range: 44.1 to 192 kHz +/-4% of Sample Rate

  • Memory Card Slot

    None

Compatibility

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  • OS Compatibility

    macOS 10.12 / 10.13 / 10.14 / 10.15
    Windows 10 (64-Bit, Only)

  • Included Software

    LUNA Mac Only

  • Compatible Software

    Any Core Audio (Mac) Compliant Software (Not Included)

  • Supported Drivers/API & Plug-Ins

    Proprietary

  • Processor Requirement

    Intel Core i7

  • Storage Requirements

    6 GB

  • Mobile Device Compatibility

    None

  • Required Hardware

    Available Thunderbolt 3 Port
    Thunderbolt Cable (Not Included)

  • Internet Connection

    Required for Registration and Software/Driver Download

  • Power Requirements

    AC/DC Power Adapter (Included)

  • AC Input Power

    100 to 240 VAC, 50 / 60 Hz

  • AC/DC Power Adapter

    12 VDC at 6 A (Included)

  • Power Consumption

    30 W (Typical)
    72 W (Maximum)

Physical

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  • Rackmount Size

    1 RU

  • Operating Temperature

    32 to 104 Degree F (0 to 40 Degree C)

  • Dimensions

    19 x 13.5 x 1.8" (48.3 x 34.3 x 4.6cm) (Including Controls and Protrusions)

  • Weight

    9.0 lbs (4.1kg)

About Universal Audio Apollo x16

Explore the unparalleled capabilities of the Apollo x16 Heritage Edition Rackmount, a professional-grade 18x20 Thunderbolt 3 Audio Interface with Realtime UAD HEXA Core Processing for Mac and Windows. This advanced audio interface is designed for music producers, project studios, and post-production studios, offering elite-class A/D and D/A conversion, HEXA Core UAD plug-in processing, and 7.1 surround sound monitoring.

The Apollo x16 is built on Universal Audio's 60-year legacy of audio craftsmanship. It delivers an impressive dynamic range of 133 dB and the lowest THD+N (-129 dB) of any integrated audio interface on the market. Its innovative HEXA Core processing provides 50% more DSP for running acclaimed UAD Powered Plug-Ins in real-time, enhancing your audio production with high-quality sound.

This sophisticated audio interface features 18 inputs and 20 outputs, allowing for multiple devices to be connected and used simultaneously. It also includes the LUNA Recording System, a fully-integrated music production application that enhances your workflow and creativity.

The Apollo x16 Heritage Edition Rackmount is equipped with professional studio gear, including 16 x 16 analog I/O via DB-25 connections, and switchable +24 dBu headroom settings. It also features new Dual-Crystal clocking for stunningly low jitter, resulting in pure, artifact-free recordings and solid stereo imaging.

With its Realtime UAD Processing, you can run the full library of UAD plug-ins with near-zero latency. This includes the Realtime Analog Classics Plus plug-in bundle, allowing you to record and mix with authentic Teletronix LA-2A, 1176LN, and Fairchild compressors, Pultec EQs, and more.

The Apollo x16 also offers comprehensive 7.1 surround monitoring support, making it an ideal choice for engineers and producers working on audio and music for video games, television, and the web. Its compatibility with both Mac and Windows operating systems adds to its versatility, making it a reliable choice for professionals working across multiple platforms.

Experience the superior audio conversion and processing capabilities of the Apollo x16 Heritage Edition Rackmount, a high-quality audio interface designed for professional use.

Universal Audio Apollo x16 Features

  • 18 x 20 Thunderbolt 3 audio interface with class-leading 24-bit/192 KHz conversion (backwards compatible with Thunderbolt 1 & 2 on Mac)
  • HEXA Core Realtime UAD Processing for tracking through UAD plug-ins at near-zero latency, regardless of audio buffer size
  • Produce with LUNA Recording System - a fully-integrated recording application made for Apollo (Mac/Thunderbolt)
  • Surround monitor controller up to 7.1 format
  • Includes the "Realtime Analog Classics Plus" UAD plug-in bundle. Other UAD plug-ins sold separately
  • UAD-2 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
  • Uncompromising UA analog design, superior components, and premium build quality
  • Free, industry-leading technical support - on the phone and online - from knowledgeable audio engineers

Product Documents

User Manual

Key Features

  • Experience pristine audio fidelity with this Universal Audio Thunderbolt 3 audio interface.
  • Harness UAD HEXA Core processing for rich, low latency plugin performance in your DAW.
  • Elevate your studio with 18x20 simultaneous inputs/outputs for complex recording sessions.
  • Integrate seamlessly with Mac/Windows via Thunderbolt 3 for high-speed audio transfer.
  • Unlock a suite of 34 UAD plugins, adding professional effects to your digital audio workstation.
  • Achieve ultra-low latency (1.1ms at 96kHz) for real-time monitoring and mixing perfection.

What's in the box:

  • Universal Audio Apollo x16 Heritage Edition Rackmount 18x20 Thunderbolt 3 Audio Interface with Realtime UAD HEXA Core Processing
  • External Power Supply
  • IEC Power Cable
  • 4x Rackmount Screws
  • 34x UAD Plug-Ins (Download)
  • LUNA Recording Software for Mac (Download)
  • (Thunderbolt Cable Not Included)
  • Universal Audio 1 Year Limited Warranty