Universal Audio Apollo Twin DUO USB Desktop Interface with Realtime UAD Processing for Windows


Key Features
  • Two Input/6 Output
  • Low Latency High-Resolution Audio
  • Two Mic Preamps with Unison Technology

The Apollo Twin USB Desktop Interface with Realtime UAD Processing from Universal Audio is a USB 3.0 audio interface capable of capturing your audio in up to 24-bit/192 kHz with realtime, low-latency UAD plug-in processing. It features Universal Audio’s Unison technology, which, in conjunction with their UAD plug-ins, is capable of emulating a range of tube and solid-state microphone preamps, including their impedance and gain-stage sweet spots.

The Apollo Twin USB includes the Realtime Analog Classics UAD plug-in bundle, featuring legacy editions of the LA-2A Classic Audio Leveler, the 1176LN Limiting Amplifier, and Pultec EQP-1A Program Equalizer, plus Softube Amp Room Essentials, and the 610-B Tube Preamp.

Record and Mix with 24-bit/192 kHz Sound Quality

The Apollo Twin gives you 24-bit/192 kHz sound and clarity. Its mic preamps, input stage, and audio conversion are identical to the Apollo series, translating into recordings with depth and punch. Digitally controlled analog monitor outputs provide full resolution audio (without digital scaling) at all listening levels – letting you create better mixes in real-world environments

A Complete Analog Studio with Realtime UAD Plug-In Processing

Imagine having access to a classic analog recording studio, right on your desktop. Apollo Twin lets you record and mix through the full range of UAD Powered plug-ins – including vintage EQs, compressors, reverbs, tape machines and more – at near-zero latency, regardless of your audio software buffer size. With UAD plug-ins from Ampex, Lexicon, Neve, Moog, Roland, SSL, Studer, and more, Apollo Twin can provide analog tone and warmth.
The key is its onboard UAD-2 DUO DSP Processing, which powers the UAD plug-ins while reducing the strain on your host CPU. Apollo Twin includes the “Realtime Analog Classics” plug-in bundle, featuring a choice selection of vintage compressors, EQs and reverb, plus guitar amps and tube mic preamp emulation. From there, you can choose from a vast and expanding collection of plug-ins in the UA Online Store

Track Through Classic Mic Preamps Using Unison Technology

Unison technology allows Apollo Twin’s mic preamps to sound and behave like the world’s most sought-after tube and solid state preamps – including their all-important impedance, gain stage “sweet spots,” and circuit behaviors. Based on integration between Apollo’s digitally controlled analog mic preamps and its onboard UAD processing, Unison lets you track through colorful preamp emulations like the bundled UA 610-B Tube Preamp plug-in

I/O Connections

Apollo Twin is a 2-in/6-out interface with two mic/line preamps, two analog line outputs, two digitally controlled analog monitor outputs, and up to eight additional channels of digital inputs via Optical connection. Its conveniently located Hi-Z instrument input and headphone jack allow you to capture inspiration the moment it strikes

Console Application and Console Recall Plug-In

The Console application is Apollo Twin’s software control interface. Its analog console-style design provides “realtime” tracking and monitoring with UAD Powered Plug-Ins – a feature not found in any other interface. Complete Apollo Twin Console setups can be saved as presets, or even saved within your sessions using the Console Recall plug-in. This enables hardware recall of all Apollo Twin settings, even months and years after you last opened your session

Key Features

  • Realtime UAD Processing for tracking through vintage compressors, EQs, tape machines, mic preamps, and guitar amp plug-ins with near-zero (sub-2ms) latency
  • Two mic/line preamps; two line outputs; front-panel Hi-Z instrument input and headphones output
  • Two digitally controlled analog monitor outputs for full resolution at all listening levels
  • Up to eight channels of additional digital input via Optical connection
  • Runs UAD Powered Plug-Ins via VST, RTAS and AAX64 in all major DAWs

Audio Interface

  • Sample rates up to 192 kHz at 24-bit word length
  • Up to 10 x 6 simultaneous input/output channels
  • Two balanced mic/line inputs
  • One Hi-Z instrument input
  • Digitally-controlled stereo monitor outputs
  • Stereo headphone outputs
  • Line outputs 3-4
  • Eight channels ADAT optical with S/MUX for high sample rates, or
  • Two channels S/PDIF optical with sample rate conversion


  • Digitally-controlled analog monitor outputs maintains highest fidelity
  • Independently-addressable stereo headphone outputs
  • Independently-addressable line outputs 3-4 can be used for additional cue mix
  • Front panel control of monitor levels and muting

UAD-2 Inside

  • Realtime UAD Processing on all analog and digital inputs
  • Same features and functionality as other UAD-2 devices when used with DAW
  • Includes UAD Powered Plug-Ins “Realtime Analog Classics” bundle
  • Complete UAD Powered Plug-Ins library is available online

Universal Audio APLTWDU Specs Interface Max Sample Rate/Resolution 192 kHz / 24-Bit Connectivity Host Connection 1 x USB Type-B (USB 3.0) USB Type-B (USB 3.0) Analog I/O 2 x Combo XLR / 1/4" TRS Balanced Mic/Line Input 1 x 1/4" (6.3 mm) TS Unbalanced Hi-Z Input 1 x 1/4" (6.3 mm) TRS Unbalanced Headphone Output 2 x 1/4" (6.3 mm) TRS Balanced Line Output 2 x 1/4" (6.3 mm) TRS Balanced Monitor Output Phantom Power +48 V (Selectable on Individual Inputs) Digital I/O 1 x TOSLINK / ADAT, S/MUX, S/PDIF Input MIDI I/O None Performance Frequency Response Headphone Outputs: 20 Hz to 20 kHz ±0.1 dB Hi-Z Inputs: 20 Hz to 20 kHz ±0.1 dB Line Inputs: 20 Hz to 20 kHz ±0.1 dB Line Outputs: 20 Hz to 20 kHz ±0.1 dB Mic Inputs: 20 Hz to 20 kHz ±0.1 dB Monitor Outputs: 20 Hz to 20 kHz ±0.1 dB Gain Range Headphone Outputs: Up to 0 dB Line Inputs: +10 to +65 dB Mic Inputs: +10 to +65 dB Monitor Outputs: -96 to 0 dB Max Input Level Hi-Z Inputs: +10 dBV (Min Gain) -45 dBV (Max Gain) Line Inputs: +18 dBV (Min Gain) -37 dBV (Max Gain) Mic Inputs: +23.8 dBV (Min Gain, Pad On) -31.2 dBV (Max Gain, Pad On) Max Output Level Line Outputs: +18 dBV Monitor Outputs: +18 dBV Headphone Output Power 80 mW into 600 Ohms (Max) Dynamic Range Outputs: 113 dBA Hi-Z Inputs: 117 dBA Line Inputs: 117.5 dBA Line Outputs: 118 dBA Monitor Outputs: 115 dBA Impedance Headphone Outputs: 10 Ohms Hi-Z Inputs: 1 MOhm Line Inputs: 10 kOhms Line Outputs: 600 Ohms Mic Inputs: 5.4 kOhms Monitor Outputs: 600 Ohms THD+N Headphone Outputs: -101 dBFS Hi-Z Inputs: -101 dBFS Line Inputs: -108 dBFS Line Outputs: -107 dBFS Mic Inputs: -110 dBFS Monitor Outputs: -105 dBFS SNR Headphone Outputs: 113 dBA Hi-Z Inputs: 117 dBA Line Inputs: 117.5 dBA Line Outputs: 118 dBA Mic Inputs: 118 dBA Monitor Outputs: 115 dBA EIN Mic Inputs: -127 dB CMRR Line Inputs: >60 dB Mic Inputs: >70 dB Channel Separation Headphone Outputs: >100 dB Line Outputs: >120 dB Monitor Outputs: >118 dB Digital Audio Sample Rates 44.1, 48, 88.2, 96, 176.4, and 192 kHz Bit Depth 24-Bit (AD/DA Conversion) Latency 1.1 ms at 96 kHz (Input to Output) Compatibility OS Compatibility Windows 7 Windows 8.1 Windows 10 Processor Requirement PC: Intel Core i3 Storage Requirements 6 GB Internet Connection Required for Registration and Software/Driver Download Power AC Input Power 100 to 240 VAC at 50/60 Hz AC/DC Power Adapter 12 VDC, Center-Positive (Included) Power Consumption 12 W (Maximum) General Operating Humidity 20 to 80% Operating Temperature 32 to 95°F / 0 to 35°C Storage Temperature -40 to 176°F / -40 to 80°C Physical Dimensions 6.31 x 2.6 x 5.86" / 160.2 x 66 x 148.8 mm Weight 2.4 lb / 1.1 kg Packaging Info Package Weight 4.11 lb Box Dimensions (LxWxH) 8 x 7.9 x 5.55"

In the Box

Universal Audio Apollo Twin USB Desktop Interface with Realtime UAD Processing for Windows External Power Supply 4 x Changeable AC Connectors, Supporting USA, Europe, UK, Australia, and China USB Cable One (1) Year Limited Warranty


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