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Review Summary
(Combo mic/line balanced inputs) Female1/4" TRS Balanced
117.5 dB (A-weighting)
117.5 dB (A-weighting)
-108 dBFS
Greater than 60 dB (10' cable)
20 Hz - 20 kHz,+/-0.1 dB
10K Ohms
+10 dB to +65 dB
18 dBV (at Minimum Gain)
18 dBV (at Minimum Gain)
+/-0.05 dB
(Combo mic/line balanced inputs) Female XLR Balanced (pin 2 positive)
+48V (Switchable per input)
118 dB (A-weighting)
118 dB (A-weighting)
-110 dBFS
-127 dB
20 Hz - 20 kHz,+/-0.1 dB
Greater than 70 dB (10' cable)
5.4K Ohms (variable via Unison preamp model)
+10 dB to +65 dB
20 dB (switchable per input) (variable via Unison preamp model)
23.8 dBV (at Minimum Gain, with Pad)
23.8 dBV (at Minimum Gain, with Pad)
Female1/4" TS Unbalanced
117 dB (A-weighting)
117 dB (A-weighting)
-101 dBFS
20 Hz - 20 kHz,+/-0.1 dB
1M Ohms
10 dBV (at Minimum Gain)
-45 dBV (at Maximum Gain)
1/4" Female TRS Balanced
118 dB (A-weighting)
118 dB (A-weighting)
-107 dBFS
20 Hz - 20 kHz,+/-0.1 dB
+/-0.05 dB
Greater than 120 dB
600 Ohms
18 dBV
1/4" Female TRS Balanced
20 Hz - 20 kHz,+/-0.1 dB
115 dB (A-weighting)
115 dB (A-weighting)
-105 dBFS
Greater than 118 dB
+/-0.05 dB
600 Ohms
-96 dB to 0 dB
18 dBV
+14 dBu, +20 dBu (selectable)
1/4" Female TRS Stereo (unbalanced)
20 Hz - 20 kHz,+/-0.1 dB
113 dB (A-weighting)
113 dB (A-weighting)
Greater than 110 dB
-101 dBFS
+/-0.11 dB
10 Ohms
-INF to 0 dB
80 milliwatts into 600 Ohms
Optical TOSLINK JIS F05 (shared with ADAT)
IEC958
44.1, 48, 88.2, 96 (kHz)
Two (Stereo L/R)
Optical TOSLINK JIS F05 (shared with S/PDIF)
ADAT Digital Light pipe with S/MUX
44.1, 48, 88.2, 96, 172.4, 192 (kHz)
At 44.1 kHz, 48 kHz 1 - 8
at 88.2 kHz, 96 kHz 1 - 4 (S/MUX)
at 176.4 kHz, 192 kHz 1 - 2 (S/MUX)
Internal, S/PDIF, ADAT (digital clock sync source conditional per selected digital input type)
External AC to DC
Changeable blades (UL, VDE, UK, SSA, CCC
100V - 240V AC, 50 - 60 Hz
Male plug, 2.1 mm x 5.5 mm, center positive
12 VDC,+/-5%
12 Watts
32 to 95 deg. F / 0 to 35 deg. C
-40 to 176 deg. F / -40 to 80 deg. C
20% to 80%
6.3 x 2.60" / 160.02 x 66.04mm 
Depth - Chassis Only: 5.86" / 148.84mm
Depth - Including Knob & Jack Protrusions: 6.20" / 157.48mm
2.35lbs / 1.07kg
819937001895
 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
  USB 3 connectivity for Windows-based systems
  Unison technology for stunning models of classic mic preamps and stompboxes
  Includes UAD-2 DUO DSP Processing onboard
  2 premium mic/line preamps; 2 line outs; front-panel Hi-Z instrument input and headphone output
  Digitally controlled analog monitor outputs for full resolution at all listening levels
  Uncompromising analog design, superior components and premium build quality throughout
  Includes "Realtime Analog Classics" UAD plug-in bundle
 Desktop 2x6 USB 3 audio interface with world-class 24-bit/192 kHz audio conversion
  Realtime UAD Processing for tracking through vintage Compressors, EQs, Tape Machines, Mic Preamps and Guitar Amp plug-ins with near-zero (sub-2ms) latency
  USB 3.0 connection for easy connectivity on Windows-based recording systems
  Unison technology offers stunning models of classic tube and transformer-based mic preamps
  Two premium mic/line preamps; two line 3-4 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
  Uncompromising analog design, superior components and premium build quality
  Runs UAD Powered Plug-Ins via VST, RTAS & AAX 64 in all major DAWs
 High-Resolution Desktop Music Production for Windows 
 With its class-leading resolution and Realtime UAD Processing, Apollo Twin USB sets the standard for desktop music production for Windows-based systems. This 2x6 USB 3 audio interface allows you to record with near-zero latency through the full range of UAD Powered Plug-Ins - ingeniously merging classic analog tones with cutting-edge features.
  Record and Mix with Stunning 24-bit/192 kHz Sound Quality 
 With the highest dynamic range and lowest noise of any desktop interface, Apollo Twin USB gives you stellar 24-bit/192 kHz sound and breathtaking clarity. Its premium mic preamps and class-leading conversion translate into rich three-dimensional recordings with exceptional depth and punch. Digitally controlled analog monitor outputs provide full resolution audio 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 USB 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. The key to its analog magic is onboard UAD-2 DUO DSP Processing, which powers the UAD plug-ins while reducing the strain on your host CPU. Apollo Twin USB includes the "Realtime Analog Classics" plug-in bundle.
  Track Through Classic Preamps Using Unison Technology 
 Unison technology allows Apollo'sTwin USB's mic preamps and front-panel DI to sound and behave like the world's most sought-after tube and solid state preamps, guitar amps and stompboxes - including their all-important impedance, gain stage "sweet spots," and circuit behaviors. Based on breakthrough integration between Apollo's analog inputs and its onboard UAD processing, Unison lets you track through a range of colorful emulations from Neve, API and Marshall with amazing tone.
  Professional I/O Connections 
 Apollo Twin USB is a 2x6 interface with two class-leading 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.
  A Sleek New App 
 Console 2.0 is Apollo Twin USB's software control interface. Its intuitive, analog console-style design provides realtime tracking and monitoring with UAD Powered Plug-Ins, Channel Strip presets, Drag & Drop functionality, dynamically resizable windows and more.
  Easy to Use with Any DAW 
 Apollo Twin USB is compatible with major DAWs, including Pro Tools, Cubase, Ableton Live and more - allowing seamless integration no matter what recording software you use.
 Audio Interface 
  Sample rates up to 192 kHz at 24-bit word length
  Up to 10 x 6 simultaneous input/output channels
  Two channels of analog-to-digital conversion via: Two balanced mic/line inputs and One Hi-Z instrument input
  Six channels of digital-to-analog conversion via: Digitally-controlled stereo monitor outputs and Stereo headphone outputs and Line outputs 3-4
  Up to eight channels of digital inputs via: Eight channels ADAT optical with S/MUX for high sample rates or and Two channels S/PDIF optical with sample rate conversion
  64-bit device drivers
 Microphone Preamplifiers 
  Two high-resolution, ultra-transparent, digitally-controlled analog mic preamps
  Front panel and software control of all preamp parameters
  Low cut filter, 48V phantom power, 20 dB pad, polarity inversion and stereo linking
 Monitoring 
  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 
  Two (DUO) SHARC DSP processors
  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
 Console Application 
  Enables tracking and/or monitoring with Realtime UAD Processing
  Remote control of Apollo Twin features and functionality
  Virtual I/O for routing DAW tracks through Console
  Two independent stereo Auxiliary buses
 Console Recall plug-in 
  Saves Apollo Twin configurations inside DAW sessions for easy recall
  Facilitates control of Apollo Twin USB's monitoring features from within the DAW
  VST, RTAS, AAX 64, plug-in formats
 UAD Meter & Control Panel Application 
  Configures global UAD settings and monitors system usage
 Other 
  Attractive and durable desktop form factor
  Locking power supply prevents accidental disconnection
  Easily updateable firmware
  One year warranty includes parts and labor
System Requirements
 UAD Powered Plug-Ins Version 8.6 
  Windows 7, 8.1 or 10 (64-Bit Editions)
  Available built-in USB 3 SuperSpeed port
  Intel Core i3, Core i5, Core i7 or Xeon processor
  6 gigabytes available storage
  USB 3.0 SuperSpeed cable (included)
  Internet connection to download software and authorize UAD plug-ins
  Compatible VST, RTAS or AAX 64 plug-in host DAW software