Orders placed during Passover Holiday (Wed 4/1 after 4PM ET – Thurs 4/9) will ship Fri 4/10. View our holiday shipping schedule.

Overview
Compare
Accessories
Specs
Protection
Q&A

Questions & Answers

FAQ

What is the intended use of the Apollo x4 Heritage Edition Desktop 12x18 Thunderbolt 3 Audio Interface with Real-Time UAD Processing?

The Apollo x4 Heritage Edition is intended for recording and producing music or audio content. It connects to a computer via Thunderbolt 3 and allows for real-time UAD processing, making it suitable for large-scale recording projects.

What are some of the key features of the Apollo x4 Heritage Edition?

The Apollo x4 Heritage Edition boasts a Thunderbolt 3 interface, 12 inputs and 18 outputs, a premium software suite of 10 award-winning UAD plug-ins, elite audio conversion, four Unison preamps, and the LUNA Recording System.

What is the advantage of the Thunderbolt 3 interface in the Apollo x4 Heritage Edition?

The Thunderbolt 3 interface in the Apollo x4 Heritage Edition is known for its speed and reliability in transferring audio data, ensuring high-quality audio output.

What is the LUNA Recording System included in the Apollo x4 Heritage Edition?

The LUNA Recording System is a groundbreaking music production application from Universal Audio. It offers deep Apollo integration with a fast, natural workflow, and a host of built-in features and optional extensions.

What is Unison technology in the Apollo x4 Heritage Edition?

Unison technology is exclusive to UA Audio Interfaces. It allows the Apollo's preamps to emulate the tone, input impedance, gain stage 'sweet spots', and the component-level circuit behaviors of sought-after tube and solid-state mic pres.

Reviews about this item

Review Summary

2021-11-10T17:54:20

Rated 5 out of 5

UAD at its finest

great product, the only thing i am still surprised that such a big company selling 2k product without thunderbolt cable. Shocking .

YULIA Z.

2019-07-05T10:10:25

Rated 5 out of 5

Awesome interface for the digital producer

Awesome I/O... I paired my x8 with an PCIe OCTO and can load up all the plugins I need.

James H.

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Malfunction Protection

Malfunction Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.

Universal Audio Apollo Specifications

General

General

Jump to...
  • Form Factor

    Tabletop

  • Display

    9 x Multi-Segment LED Meter

  • Channels of I/O

    Analog:
    4 Inputs/10 Outputs at 192 kHz

    Digital:
    8 Inputs/8 Outputs at 48 kHz
    4 Inputs/4 Outputs at 96 kHz
    2 Inputs/2 Outputs at 192 kHz

  • Max Sample Rate/Resolution

    192 kHz / 24-Bit

  • Number of Mic Preamps

    4

  • Input Level Adjustment

    1x Knob

  • Solo/Mute

    Mute per Master

  • Pad

    -20 dB (Switchable per Channel)

  • High-Pass Filter

    75 Hz

  • Expansion Slots

    None

Connectivity

Jump to...
  • Analog Audio I/O

    4x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line Input
    2x 1/4" TRS Unbalanced Hi-Z Input
    4x 1/4" TRS Balanced/Unbalanced Line Output
    2x 1/4" TRS Balanced/Unbalanced Monitor Output
    2x 1/4" TRS Unbalanced Headphone Output

  • Phantom Power

    +48 V, Selectable On/Off (Selectable on Individual Inputs)

  • Digital Audio I/O

    1x TOSLINK Optical ADAT / S/PDIF Input (S/MUX4 Support)
    1x TOSLINK Optical ADAT / S/PDIF Output (S/MUX4 Support)

  • Host Connection/USB

    1x Thunderbolt/MDP (Thunderbolt 3)

  • USB (Non-Host)

    None

  • Sync I/O

    None

  • Network I/O

    None

  • MIDI I/O

    None

  • Wireless Connectivity

    None

  • Memory Card Slot

    None

Performance

Jump to...
  • Frequency Response

    Mic, Line, Hi-Z Inputs: 20 Hz to 20 kHz +/-0.05 dB
    Line Outputs: 20 Hz to 20 kHz +/-0.05 dB
    Headphone, Monitor Outputs: 20 Hz to 20 kHz +/-0.1 dB

  • Gain/Trim Range

    Mic/Line/Hi-Z Inputs: +10 dB to +65 dB

  • Max Input Level

    Mic Inputs: 25.6 dBu (with Pad)
    Hi-Z Inputs: 12.2 dBu (Min Gain)
    Line Inputs: 20.2 dBu (Min Gain)

  • Max Output Level

    Line/Monitor Outputs: 20.2 dBu

  • Headphone Output Power

    96 mW into 300 Ohms (Max)

  • Impedance

    Mic Inputs: 5.5 Kilohms
    Hi-Z Inputs: 1 Megohm
    Line Inputs: 5 Kilohms
    Line Outputs: 100 Ohms
    Monitor Outputs: 100 Ohms

  • Dynamic Range

    Mic Inputs: 123 dBA
    Hi-Z Inputs: 122 dBA
    Line Inputs: 122 dBA
    Line Outputs: 127 dBA
    Monitor Outputs: 127 dBA
    Headphone Outputs: 124 dBA

  • THD+N

    Mic Inputs: -115 dB (1 kHz, at -1 dBFS)
    Hi-Z Inputs: -108 dB (1 kHz, at -1 dBFS)
    Line Inputs: -114 dB (1 kHz, at -1 dBFS)
    Line Outputs: -117 dB (1 kHz, at -1 dBFS)
    Monitor Outputs: -116 dB
    Headphone Outputs: -98 dB (1 kHz, at -1 dBFS)

Digital Audio

Jump to...
  • Sample Rates

    Up to 192 kHz (AD/DA Conversion)

  • Sample Rate Conversion

    None

  • Bit Depths

    24-Bit (AD/DA Conversion)

  • Latency

    1.1 ms at 96 kHz (Input to Output)

  • Sync Sources

    ADAT, Internal, S/PDIF

Compatibility

Jump to...
  • 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 3 Cable (Not Included)

  • Internet Connection

    Required for Registration, Software/Driver Download

  • Power Requirements

    AC/DC Power Adapter

  • AC Input Power

    100 to 240 VAC, 50 / 60 Hz

  • AC/DC Power Adapter

    12 VDC, Center-Positive

  • Power Consumption

    19 W (Maximum)

Physical

Jump to...
  • Anti-Theft Features

    Kensington Security Slot

  • Operating Temperature

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

  • Dimensions

    9.17 x 6.17 x 2.6" (23.29 x 15.67 x 6.6cm) (Including Controls and Protrusions)

  • Weight

    3.2 lbs (1.5kg) (Without Accessories)

  • UPC Code

    819937003097

9 Accessories for Universal Audio Apollo x4 Heritage Edition Desktop 12x18 Thunderbolt 3 Audio Interface with Real-Time UAD Processing

  • All Accessories (9)
  • Microphones & Audio (6)
  • Headphones (3)

About Universal Audio Apollo

FEATURED REVIEWS

UAD at its finest

By YULIA Z.

great product, the only thing i am still surprised that such a big company selling 2k product without thunderbolt cable. Shocking .

Awesome interface for the digital producer

By James H.

Awesome I/O... I paired my x8 with an PCIe OCTO and can load up all the plugins I need.

Where professional audio quality and advanced technology meet, you'll find the Apollo x4 Heritage Edition Desktop 12x18 Thunderbolt 3 Audio Interface with Real-Time UAD Processing. This high-quality audio interface, designed by the reputable Universal Audio, is a must-have for music producers and audio content creators.

The Apollo x4 Heritage Edition is more than just an audio interface; it's a comprehensive audio production system. It features a Thunderbolt 3 interface, renowned for its speed and reliability in transferring audio data. With 12 inputs and 18 outputs, it's perfectly equipped to handle large-scale recording projects.

This innovative device comes with a premium software suite of 10 award-winning UAD plug-ins, including the full collections from Teletronix, Fairchild, Pultec, Helios, and UA. These plug-ins have built UA's reputation for analog modeling over the past decade, offering vintage compressors, EQs, mic preamps, and reverb. This gives you the most accurate library of classic analog emulations anywhere, right out of the box.

The Apollo x4 Heritage Edition also boasts elite audio conversion and four Unison preamps, all conveniently located on your desktop. This allows musicians and producers to easily track, overdub, and mix larger projects with elite-class A/D and D/A conversion, four Unison-enabled preamps, and QUAD Core real-time UAD plug-in processing.

Built upon UA's 60-year heritage of audio craftsmanship, the Apollo x4 confidently outperforms everything in its class with 127 dB D/A dynamic range. It also includes a bundle of UAD analog emulation plug-ins and the LUNA Recording System, giving you a fully-stocked analog studio, right on your desktop.

The Apollo x4 Heritage Edition is not just a product; it's a professional audio solution that provides the genuine sound of Neve, Helios, API, and more. Its Unison technology nails the tone of these sought-after tube and solid-state mic pres, including their input impedance, gain stage "sweet spots," and the component-level circuit behaviors of the original hardware.

In addition to its four onboard Unison-equipped preamps, the Apollo x4 offers two headphone outs and two Hi-Z instrument inputs, enhancing your collaborative process. With a total of four line outs, optical ADAT/SPDIF input and output, plus dedicated monitor remote controls and a built-in Talkback mic, the Apollo x4 can serve as the powerful centerpiece of your professional desktop studio.

Whether you're a seasoned professional or an aspiring audio producer, the Apollo x4 Heritage Edition Desktop 12x18 Thunderbolt 3 Audio Interface with Real-Time UAD Processing is a durable, high-quality investment in your audio production capabilities.

Universal Audio Apollo Features

  • A special edition of UA's acclaimed Apollo x4 interface with a premium suite of 10 award winning plug in titles from Helios, Fairchild, Teletronix, Pultec, UA, and more
  • Elite-class A/D and D/A conversion derived from the Apollo X rackmount interfaces
  • 4 Unison mic preamps offer stunning models of classic tube and transformer based mic preamps and guitar amps
  • UAD QUAD Core Processing for tracking through vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins with near-zero latency
  • Produce with LUNA Recording System - a fully-integrated recording application made for Apollo (Mac only)
  • Runs UAD Powered Plug-Ins via VST, AU, and AAX 64 in all major DAWs
  • Compatible with Logic Pro, Pro Tools, Cubase, Ableton Live, and more
  • Dual front-panel Unison-enabled Hi-Z instrument inputs and headphone outs
  • Built-in Talkback mic for communication with studio talent and recording slate cues
  • Dedicated monitor functionality including monitor remote functions and Mono, Mute, DIM, and ALT monitor controls
  • Up to 8 channels of additional digital input via optical ADAT/SPDIF
  • Also includes "Realtime Analog Classics Plus" UAD plug-in bundle featuring UA 610-B Tube Preamp, Legacy Pultec EQ, additional LA-2A and 1176 compressors, Marshall Plexi Classic, Ampeg SVT-VR Classic, and more
  • Uncompromising 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 quality with the Apollo x4's premium AD/DA conversion.
  • Record with near-zero latency using Thunderbolt 3 for real-time UAD plug-in processing.
  • Elevate your recordings with included UAD plug-ins, adding warmth and character to your tracks.
  • Utilize the Apollo x4 as a versatile audio interface for vocals, instruments, and more.
  • Seamlessly integrate with LUNA Recording System (Mac only) for an intuitive workflow.
  • Expand your studio with flexible I/O: mic pres, line ins/outs, and ADAT digital connectivity.

What's in the box:

  • Universal Audio Apollo x4 Heritage Edition Desktop 12x18 Thunderbolt 3 Audio Interface
  • External Power Supply
  • 34x UAD Plug-Ins (Download)
  • LUNA Recording Software for Mac (Download)
  • Universal Audio 1 Year Limited Warranty