Universal Audio Apollo Twin MkII QUAD Thunderbolt Interface


Desktop 2×6 Thunderbolt Audio Interface w/ Realtime UAD-2 QUAD Core Processing for Mac and Windows.

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The Power of UAD-2, The Sound of Universal Audio – Right At Your Fingertips

 Universal Audio’s Apollo Twin MKII is a Thunderbolt-equipped interface with state-of-the-art conversion that sets the audio quality standard for desktop interfaces. The Apollo Twin MKII has the same conversion as UA’s flagship Apollo interfaces, and features the ability to track in real time with near-zero latency through with UAD-2 UAD-2 SOLO, DUO or QUAD Core processing. The Apollo Twin MKII comes loaded two premium UAD-2 Unison-enabled mic preamps that deliver the tone and feel of analog classics, such as Neve, API, and Manley, plus vintage compressors, tape machines, and guitar amp simulations—all in real-time with no increase in latency using multiple plug-ins.

Universal Audio Apollo Twin MKII QUAD in one take:

  • 24-bit/192kHz, 2×6 desktop Thunderbolt audio interface for Mac/PC with Universal Audio’s next-generation audio conversion
  • Unison™ technology and UAD-2 QUAD Core processing offer real-time tracking with genuine sound of Neve, API, and Manley preamps, plus guitar amps and stomp boxes
  • Includes Realtime Analog Classics UAD plug-in bundle
  • Low-latency easy-to-use Console software provides analog-style workflow
  • Built-in talkback mic and comprehensive monitor functionality

Everything you need to make a record in an affordable 24-bit/192kHz desktop interface, featuring real-time tracking through industry-leading UAD-2 analog emulation plug-ins and UA’s next-generation conversion

INSIDE THE BOXUA Apollo Twin MKII QUAD Desktop Interface

Unison Enabled Apollo Twin MKII

The Universal Audio UA Apollo Twin MKII shares the same hit record-making conversion as UA’s Apollo 8, 8p and 16 interfaces. UA’s world-class conversion provides increased dynamic range and ultra-low THD, which maintains clarity, accuracy, and depth of soundstage as more and more tracks are layered. It has two premium preamps with mic/line inputs, two line outputs, Hi-Z instrument input, and stereo headphone output. The UA Apollo Twin MKII is also scalable, enabling you to cascade up to four Apollo interfaces and six UAD-2 devices via Thunderbolt, so your system can grow with your needs and aspirations.

Real-time tracking through Unison and UAD-2 QUAD

The UA Apollo Twin MkII features two ultra-transparent, digitally-controlled, Unison-enabled mic preamps, which give you the ability to track through exacting emulations of Neve, API, Manley, and Universal Audio preamps. Unison technology nails the analog tone and feel of these sought-after tube and solid-state mic preamps down to the component level, including input impedance, gain stage “sweet spots,” and circuit behavior of the original hardware.

Near-zero latency — To ensure solid musical performances during tracking, the Apollo Twin MKII lets you track with near-zero latency (under 2ms), regardless of your audio software’s buffer size and without taxing your computer’s CPU. Better still, you can add up to four Realtime tracking plug-ins in series without increasing latency. You can track with the sound of a Neve 1073, the gentle limiting of a Teletronix LA-2A, and tube warmth of a Pultec EQ—the equivalent of a $10,000 analog signal chain—all with UA’s industry-leading powered plug-ins.

Realtime Analog Classics bundle

Apollo Twin MkII provides a suite of incredible analog emulation plug-ins right out of the box, including Legacy versions of the LA-2A Classic Audio Leveler, 1176LN Limiting Amplifier, and Pultec EQP-1A Program Equalizer, plus Softube Amp Room Essentials, Raw Distortion, 610-B Tube Preamp & EQ, and more.

Plug-ins for Apollo Twin MKII SOLO

Unison DI plug-ins — Apollo Twin MkII also includes Unison technology on its front-panel instrument input, giving you access to stellar emulations of guitar and bass amps, such as the Fender ’55 Tweed Deluxe, Marshall Plexi Super Lead 1959, and Ampeg B-15N Bass Amplifier, as well as iconic stompboxes, including the legendary Ibanez Tube Screamer.

UAD library of plug-ins — Along with the included Realtime Analog Classics plug-ins, Apollo Twin Mk II grants you access to the full library of UAD’s award-winning powered plug-ins. It’s like having a world-class analog studio with an unlimited budget, right on your desktop. (VST, RTAS, and AAX 64 in all major DAWs.)

Easy-to-use Console software

Running on the host computer, the Console app handles Apollo Twin MKII’s mixing and monitoring with Realtime UAD processing and provides access the audio interface I/O settings. All of Apollo Twin MKII’s analog and digital inputs can perform Realtime UAD processing simultaneously, while Console inputs with or without Realtime UAD Processing can be routed into the DAW for recording.

The Console app also controls Apollo Twin MKII’s digital mixer for direct input monitoring, and user-requested features, such as channel strip presets, drag and drop functionality, dynamically resizable windows, and much more.

Comprehensive Monitor Functionality and Talkback Mic

 To accompany its real-time, near zero-latency tracking, the Apollo Twin MKII features a built-in talkback mic for easy communication with talent and or recording slate cues. It also comes with more monitor functionality than previous models, including dedicated remote controls, mute, dim, and speaker switching. It also includes mono summing, which enables you to check your mixes for mono compatibility, which is very important when streaming music online (some internet stations broadcast in mono). Apollo Twin MKII also features two digitally controlled, analog monitor outputs for full resolution at all listening levels.

Universal Audio Apollo Twin MKII QUAD Key Features:

  • World-class 24-bit/192 kHz audio conversion
  • Realtime UAD Processing — track through vintage Compressors, EQs, Tape Machines, and Guitar Amp plug-ins with near-zero latency
  • 2 premium mic/line preamps; 2 line outs; front-panel Hi-Z instrument input and headphone output
  • Unison™ technology for stunning models of classic mic preamps
  • Available with either UAD-2 SOLO or UAD-2 DUO DSP Processing onboard
  • Thunderbolt connection for blazing-fast PCIe speed on modern computers
  • Uncompromising analog design, superior components, and premium build quality throughout
  • Digitally controlled analog monitor outputs for full resolution at all listening levels
  • Cascade up to four Thunderbolt-equipped Apollos and six total UAD-2 devices — adding I/O and DSP as needed
  • Includes “Realtime Analog Classics” UAD plug-in bundle

Add on one of these incredible plug-in bundles to get your favorite Universal Audio plug-ins when you buy any eligible Apollo or UAD Satellite card from Westlake Pro.

With the Universal Audio Apollo Twin MKII, your desktop opens up a world of sounds heard on countless classic and modern recordings, previously only available in world-class recording studios. For more information, call or chat with your Westlake Pro sales consultant today.

Additional information


Bit Depth


Phantom Power


Monitor Outs


Headphone Jack


Pro Tools HD




Bus Powered


Input Types

xlr-1/4" combo. 1/4", ADAT, S/PDIF

Connection Type

Thunderbolt 2

Word Clock


Sample Rate



2 in x 6 out

Mic Preamps

2 premium Unison mic/line preamps


Windows, Mac

Talkback Mic


Included Plug-ins

UA 610-B Tube Preamp & EQ UA 1176LN Limiting Amplifier (Legacy), UA 1176SE Limiting Amplifier (Legacy), Pultec EQP-1A EQ (Legacy), Pultec Pro EQ (Legacy), Teletronix LA-2A Leveling Amplifer (Legacy), Raw Distortion, Softube Amp Room Half-Stack (Softube Amp Room Essentials), Softube Bass Amp Room 8×10 (Softube Amp Room Essentials), Precision Channel Strip (Precision Mix Rack Collection), Precision Reflection Engine (Precision Mix Rack Collection), Precision Delay Mod (Precision Mix Rack Collection), Precision Delay Mod L (Precision Mix Rack Collection), RealVerb Pro Custom Room Modeler


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