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Universal Audio APX4-HE Apollo x4 Heritage Edition 4-Input Audio Interface
Universal Audio APX4-HE Apollo x4 Heritage Edition 4-Input Audio Interface
Universal Audio APX4-HE Apollo x4 Heritage Edition 4-Input Audio Interface
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Universal Audio APX4-HE Apollo x4 Heritage Edition 4-Input Audio Interface

Vendor
Universal Audio
Regular price
$2,199.00
Sale price
$2,199.00
Regular price
$2,749.00
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Apollo x4 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 realtime UAD plug-in processing — all in a desktop Thunderbolt 3 audio interface for Mac and Windows.

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

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

Apollo x4 features four Unison-enabled mic preamps, letting you track through exacting mic preamp emulations from Neve, Helios, API, Manley, Avalon, Universal Audio and many more. Exclusive to UA Audio Interfaces, 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.

The secret to Unison is its hardware-software integration between Apollo’s mic preamps and its onboard UAD QUAD Core DSP Acceleration. Simply place a Unison preamp plug-in on your mic input in Apollo Console software, and it physically reconfigures the Apollo interface's impedance — so you can tap into the classic sounds of the world’s most recorded mic preamps.

Elite-Class A/D and D/A Conversion
With thousands of hit songs and hundreds of Grammy-winning albums under their belt, Apollo interfaces are used to track exceptional-sounding records every day. To improve on the previous generation of desktop Apollo interfaces’ class-leading audio conversion, UA engineers redesigned the x4’s audio conversion to deliver a striking 127 dB dynamic range and -117 dB THD+N, giving Apollo x4 a spacious, organic sound that easily rivals dedicated high-end converters.

A Full Suite of Classic - Analog Processing Onboard
Right out of the box, Apollo x4 offers a suite of incredible analog emulation plug-ins including the world’s only authentic Teletronix LA-2A, 1176LN, Fairchild 670, Pultec EQs, and the UA 610-B Tube Preamp & EQ. Developed by UA’s world-renowned team of algorithm engineers, these Realtime Analog Classics Plus plug-ins set the standard by which all other hardware emulation plug-ins are judged.

From the tube warmth of the Pultec EQ on guitars to the gentle limiting of the LA-2A on vocals, your recordings will take a giant leap forward in rich, sonically complex analog sound. 

  • 4 Unison mic preamps offer stunning models of classic tube and transformer-based mic preamps and guitar amps
  • UAD-2 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/Thunderbolt)
  • 2 Unison-enabled Hi-Z instrument inputs
  • 2 independent headphone outputs
  • Built-in Talkback mic for communication with studio talent and recording slate cues
  • Includes monitor remote functions and Mono, Mute, DIM, and ALT monitor controls
  • Up to 8 channels of additional digital input via Optical ADAT/SPDIF input
  • Optical ADAT/SPDIF output for connecting to additional studio equipment
  • Includes the "Realtime Analog Classics Plus" UAD plug-in bundle featuring the Teletronix LA-2A 1176, and Fairchild 670 compressors, Pultec EQs, UA 610-B Tube Preamp & EQ, and more. Other UAD plug-ins sold separately.
  • Runs UAD Powered Plug-Ins via VST, RTAS, and AAX 64 in all major DAWs
  • Uncompromising analog design, superior components, and premium build quality
  • Free, industry-leading technical support — on the phone and online — from knowledgeable audio engineers

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