Apollo Twin USB System Requirements:

- 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
- For additional compatibility information, visit help.uaudio.com

*Notes:
- Quad Core i7 or better recommended
- 2-in-1 systems (notebook/tablet) are not recommended
- USB 3 adapters (such as PCIe-to-USB 3 expansion cards) are not tested for Apollo Twin USB or UAD-2 Satellite USB connections

I/O:

Two channels of analog-to-digital conversion via:
- Two balanced mic/line inputs
- One Hi-Z instrument input
Six channels of digital-to-analog conversion via:
- Digitally-controlled stereo monitor outputs
- Stereo headphone outputs
- Line outputs 3-4
Up to eight channels of digital inputs via:
- Eight channels ADAT optical with S/MUX for high sample rates, or
- Two channels S/PDIF optical with sample rate conversion

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

Software Included:

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

Specifications

All audio specifications are typical performance unless otherwise noted, tested under the following conditions: 48 kHz internal sample rate, 24-bit sample depth, 20 kHz measurement bandwidth, with balanced inputs and outputs.

I/O Complement:
- Microphone Inputs: Two
- Analog Line Inputs: Two
- Hi-Z Instrument Inputs: One
- Analog Line Outputs: Two (independent mix buses)
- Analog Monitor Outputs: Two (one stereo pair, independent L/R mix buses)
- Headphone Outputs: One stereo pair (independent L/R mix buses)
- Digital Input Port (TOSLINK optical): One (ADAT or S/PDIF, selectable)
- USB 3 Port: One

A/D - D/A Conversion:
- Supported Sample Rates (kHz): 44.1, 48, 88.2, 96, 176.4, 192
- Bit Depth Per Sample: 24
- Simultaneous A/D conversion: Two channels
- Simultaneous D/A conversion: Six channels
- Analog Round-Trip Latency: 1.1 milliseconds @ 96 kHz sample rate
- Analog Round-Trip Latency with up to four serial UAD Powered Plug-Ins via Console application: 1.1 milliseconds @ 96 kHz sample rate

Analog I/O Specifications:
Line Inputs 1 & 2:
- Jack Type (combo mic/line balanced inputs) Female 1/4" TRS Balanced
- Dynamic Range (A-weighting) 117.5 dB
- Signal-to-Noise Ratio (A-weighting) 117.5 dB
- Total Harmonic Distortion + Noise -108 dBFS
- Common-Mode Rejection Ratio (CMRR) Greater than 60 dB (10' cable)
- Frequency Response 20 Hz - 20 kHz, +/-0.1 dB
- Input Impedance 10K Ohms
- Gain Range +10 dB to +65 dB
- Maximum Input Level (@ Minimum Gain)18 dBV
- Maximum Input Level (@ Maximum Gain) -37 dBV
- Stereo Level Balance +/-0.05 dB

Microphone Inputs 1 & 2:
- Jack Type (combo mic/line balanced inputs) Female XLR Balanced (pin 2 positive)
- Phantom Power (switchable per input) +48V
- Dynamic Range (A-weighting) 118 dB
- Signal-to-Noise Ratio (A-weighting) 118 dB
- Total Harmonic Distortion + Noise -110 dBFS
- Equivalent Input Noise -127 dB
- Frequency Response 20 Hz - 20 kHz, +/-0.1 dB
- Common-Mode Rejection Ratio (CMRR) Greater than 70 dB (10' cable)
- Default Input Impedance 5.4K Ohms (variable via Unison preamp model)
- Gain Range +10 dB to +65 dB
- Pad Attenuation (switchable per input) 20 dB (variable via Unison preamp model)
- Maximum Input Level (@ Minimum Gain, with Pad) 23.8 dBV
- Maximum Input Level (@ Maximum Gain, with Pad) -31.2 dBV

Hi-Z Input:
- Jack Type Female 1/4" TS Unbalanced
- Dynamic Range (A-weighting) 117 dB
- Signal-to-Noise Ratio (A-weighting) 117 dB
- Total Harmonic Distortion + Noise -101 dBFS
- Frequency Response 20 Hz - 20 kHz, +/-0.1 dB
- Input Impedance 1M Ohms
- Maximum Input Level (@ Minimum Gain) 10 dBV
- Maximum Input Level (@ Maximum Gain) -45 dBV

Line Outputs 3 & 4:
- Jack Type 1/4" Female TRS Balanced
- Dynamic Range (A-weighting) 118 dB
- Signal-to-Noise Ratio (A-weighting) 118 dB
- Total Harmonic Distortion + Noise -107 dBFS
- Frequency Response 20 Hz - 20 kHz, +/-0.1 dB
- Stereo Level Balance +/-0.05 dB
- Channel Separation Greater than 120 dB
- Output Impedance 600 Ohms
- Maximum Output Level 18 dBV

Monitor Outputs 1 & 2:
- Jack Type 1/4" Female TRS Balanced
- Frequency Response 20 Hz - 20 kHz, +/-0.1 dB
- Dynamic Range (A-weighting) 115 dB
- Signal-to-Noise Ratio (A-weighting) 115 dB
- Total Harmonic Distortion + Noise -105 dBFS
- Channel Separation Greater than 118 dB
- Stereo Level Balance +/-0.05 dB
- Output Impedance 600 Ohms
- Output Gain Range -96 dB to 0 dB
- Maximum Output Level 18 dBV
- Operating Reference Level +14 dBu, +20 dBu (selectable)

Stereo Headphones Output:
- Jack Type 1/4" Female TRS Stereo (unbalanced)
- Frequency Response 20 Hz - 20 kHz, +/-0.1 dB
- Dynamic Range (A-weighting) 113 dB
- Signal-to-Noise Ratio (A-weighting) 113 dB
- Channel Separation Greater than 110 dB
- Total Harmonic Distortion + Noise -101 dBFS
- Stereo Level Balance +/-0.11 dB
- Output Impedance 10 Ohms
- Output Gain Range -INF to 0 dB
- Maximum Output Power 80 milliwatts into 600 Ohms

Digital I/O Specifications:

S/PDIF:
- Connector Type Optical TOSLINK JIS F05 (shared with ADAT)
- Format IEC958
- Supported Sample Rates (kHz) 44.1, 48, 88.2, 96
- S/PDIF Input Channels Two (Stereo L/R)

ADAT:
- Connector Type Optical TOSLINK JIS F05 (shared with S/PDIF)
- Format ADAT Digital Lightpipe with S/MUX
- Supported Sample Rates (kHz) 44.1, 48, 88.2, 96, 172.4, 192
- ADAT Input Channels @ 44.1 kHz, 48 kHz 1 - 8
- ADAT Input Channels @ 88.2 kHz, 96 kHz 1 - 4 (S/MUX)
- ADAT Input Channels @ 176.4 kHz, 192 kHz 1 - 2 (S/MUX)

Clock Synchronization Sources: Internal, S/PDIF, ADAT (digital clock sync source conditional per selected digital input type)

Electrical Specifications:

- Power Supply External AC to DC
- AC Connector Type Changeable blades (UL, VDE, UK, SSA, CCC)
- AC Requirements 100V - 240V AC, 50 - 60 Hz
- DC Connector Type Male plug, 2.1 mm x 5.5 mm, center positive
- DC Requirements 12 VDC, +/-5%
- Maximum Power Consumption 12 Watts

Environmental Specifications:

- Operating Temperature Range 32 to 95 Fahrenheit (0 to 35 Celsius)
- Storage Temperature Range -40 to 176 Fahrenheit (-40 to 80 Celsius)
- Operating Humidity Range 20% to 80%

Dimensions and Weight:

- Width 6.31"
- Height 2.60"
- Depth, Chassis Only 5.86"
- Depth, Including Knob & Jack Protrusions 6.20"
- Shipping Box (Length x Width x Height) 8" x 8" x 5.5" (20.32cm x 20.32cm x 13.97cm)
- Shipping Weight (with box & accessories) 3.85 pounds
- Weight (bare unit) 2.35 pounds

Package Contents:

- Apollo Twin USB DUO Unit
- External Power Supply with (4) changeable AC connectors supporting USA, Europe, UK, Australia, China
- URL Card
- SuperSpeed USB 3.0 cable

Dimensions and Weight in Packaging

Heritage Edition: Includes 5 extra UAD plug-in collections

Shipping Weight: 4 lbs

Shipping Dimensions: 8 x 8 x 6 in

Manufacturer Part Number (MPN): APLTWDU-HE