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Universal Audio Apollo Twin X DUO Thunderbolt Audio Interface With Gen 2 Conversion | UAD Analog Classics

Universal Audio Apollo Twin X DUO Thunderbolt Audio Interface With Gen 2 Conversion | UAD Analog Classics

SoundPro Item: 146468 | Part Number: APTXDG2-ESS

$1,199.00
$1,248.75 $1,199.00
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MSRP: $1,248.75 | MAP: $1,199.00

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  • Unison Preamp Technology Replicates Hardware Impedance And Gain Staging For True Analog Response
  • Gen 2 Apollo X Converters Deliver The Widest Dynamic Range And Lowest Distortion In Apollo History
  • DUO Core DSP Enables Real-Time UAD Plug-In Processing Without Native CPU Overhead
  • Apollo Monitor Correction Powered By Sonarworks Calibrates Monitors And Headphones For Accurate Playback
  • Auto-Gain Sets Input Levels Across Multiple Sources In Seconds To Eliminate Gain-Setting Delays
  • Bass Management Integrates A Subwoofer Into Your Monitor Setup For Full-Range Mix Referencing
  • Thunderbolt Expansion Supports Up To Four Linked Apollo Interfaces For A Scalable Studio System
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The Apollo Twin X DUO is built for serious music producers and recording engineers who demand studio-grade conversion and real-time analog processing in a compact desktop form factor. With elite-class Apollo X Gen 2 converters delivering 24-bit/192 kHz resolution and 129 dB dynamic range on the monitor outputs, this interface competes directly with standalone converter hardware that costs far more, while adding DSP-accelerated plug-in processing that no comparable desktop unit can match natively.

Two Unison mic preamps give engineers interactive emulation of classic hardware from Neve, API, Manley, and Avalon — not just tonal coloring, but actual impedance and gain-stage behavior that changes how your microphone and instrument respond. Combined with the front-panel Hi-Z input and optical ADAT/S/PDIF port, the Apollo Twin X DUO accommodates a full recording chain: vocals, guitars, outboard gear, and digital expanders all run simultaneously through a single Thunderbolt 3 connection. The UAD Console app centralizes monitor control, cue mixing, Auto-Gain, Bass Management for subwoofer integration, and Plug-In Scenes — making it the functional equivalent of a small analog console for DAW-centric workflows.

For producers working in LUNA, Pro Tools, Logic Pro, Ableton Live, or Cubase, the hybrid DSP plus native processing model allows complex plug-in sessions without the CPU overhead that limits native-only setups. The system scales via Thunderbolt linking of up to four Apollo interfaces, making it a viable foundation for a growing studio rather than a fixed endpoint. The UAD Analog Classics bundle included with this SKU delivers over 30 professional plug-ins covering compression, EQ, channel strips, reverb, tape saturation, and guitar amplifiers — a complete production toolkit from day one.

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Specifications

System - I/O Complement
Simultaneous Channel I/O (analog + digital)
10 x 6 (ADAT mode)
Microphone Inputs
2
Hi-Z Instrument Inputs
1
Analog Line Inputs
2
Analog Line Outputs (DC coupled)
2 (4 including Monitor outputs)
Analog Monitor Outputs (DC coupled)
2 (one stereo pair)
Headphone Output
1 stereo
Digital Audio Port (ADAT or S/PDIF, selectable)
1 input
Thunderbolt 3 Port
1 (Mac only: TB1/TB2 via Apple adapter)
A/D - D/A Conversion
Simultaneous A/D
2 channels
Simultaneous D/A
6 channels
Sample Rates (kHz)
44.1, 48, 88.2, 96, 176.4, 192
Bit Depth
24
Analog Round-Trip Latency
1.1 ms @ 96 kHz
Round-Trip Latency thru 4 UAD legacy plug-ins
1.1 ms @ 96 kHz (no added latency via Realtime UAD)
Microphone Inputs 1 & 2
Frequency Response
20 Hz - 20 kHz, ±0.04 dB
Dynamic Range
123 dB (A-weighted)
THD + Noise (1 kHz @ 24 dBu, -1 dBFS)
-115 dB (0.00018%)
Maximum Input Level (PAD on)
25 dBu
Default Input Impedance (variable via Unison)
5.4 kΩ
Gain Range
+10 dB to +65 dB
Pad Attenuation
20 dB (variable via Unison)
Phantom Power
+48V
Connector Type
XLR Female, pin 2 positive (Combo XLR/TRS)
Hi-Z Input (600 kΩ input termination)
Frequency Response
20 Hz - 20 kHz, ±0.05 dB
Dynamic Range
121 dB (A-weighted)
THD + Noise (1 kHz @ 11.4 dBu, -1 dBFS)
-110 dB (0.00032%)
Maximum Input Level (at min gain)
12.4 dBu
Default Input Impedance (variable via Unison)
1 MΩ
Gain Range
+10 dB to +65 dB
Connector Type
1/4" Female TS Unbalanced
Line Inputs 1 & 2
Frequency Response
20 Hz - 20 kHz, ±0.04 dB
Dynamic Range
122 dB (A-weighted)
THD + Noise (1 kHz @ 19.2 dBu, -1 dBFS)
-115 dB (0.00018%)
Maximum Input Level
20.2 dBu
Input Impedance
10 kΩ
Gain Range
+10 dB to +65 dB
Connector Type
1/4" Female TRS Balanced
Line Outputs 1 & 2
Frequency Response
20 Hz - 20 kHz, ±0.01 dB
Dynamic Range
127 dB (A-weighted)
THD + Noise (1 kHz @ 19.2 dBu, -1 dBFS)
-119 dB (0.00011%)
Maximum Output Level (ref @ +4 dBu)
20.2 dBu
Maximum Output Level (ref @ -10 dBV)
14.5 dBu
Output Impedance
100 Ω
Connector Type
1/4" Female TRS Balanced
Monitor Outputs L & R
Frequency Response
20 Hz - 20 kHz, ±0.04 dB
Dynamic Range
129 dB (A-weighted)
THD + Noise (1 kHz @ 19.2 dBu, -1 dBFS)
-120 dB (0.0001%)
Maximum Output Level
20.2 dBu
Output Impedance
100 Ω
Connector Type
1/4" Female TRS Balanced
Stereo Headphone Outputs
Frequency Response
20 Hz - 20 kHz, ±0.01 dB
Dynamic Range
124 dB (A-weighted)
THD + Noise (300 Ω load, 1 kHz @ 14.4 dBu, -1 dBFS)
-112 dB (0.00025%)
THD + Noise (600 Ω load, 1 kHz @ 14.8 dBu, -1 dBFS)
-114 dB (0.00019%)
Maximum Output Level (300 Ω load, 1 kHz, 0 dBFS)
15.4 dBu
Maximum Output Level (600 Ω load, 1 kHz, 0 dBFS)
15.8 dBu
Maximum Output Power RMS (300 Ω load, 1 kHz @ 15.4 dBu, 0 dBFS)
69 mW
Maximum Output Power RMS (600 Ω load, 1 kHz @ 15.8 dBu, 0 dBFS)
38 mW
Connector Type
1/4" Female TRS Stereo
Digital Input
Digital Audio Port (ADAT or S/PDIF, selectable)
1 input
Connector Type
Optical TOSLINK JIS F05
S/PDIF
S/PDIF Channels
1 stereo input
Format
IEC 958
Supported Sample Rates (kHz)
44.1, 48, 88.2, 96
ADAT
ADAT Channels
Up to 8 input channels
Format
ADAT Lightpipe with S/MUX
Supported Sample Rates (kHz)
44.1, 48, 88.2, 96, 176.4, 192
Channel Assignments @ 44.1/48 kHz
Channels 1-8
Channel Assignments @ 88.2/96 kHz
Channels 1-4
Channel Assignments @ 176.4/192 kHz
Channels 1-2
Clock Synchronization Sources
Internal, ADAT, S/PDIF
Conditional per selected digital input type
Electrical
Power Supply
External AC-to-DC Power Supply, Level VI compliant
AC Input Connector Type
IEC C8, non-polarized
AC Requirements
100V - 240V AC, ≈ 50 - 60 Hz, 1.2 A MAX
DC Connector Type
Male barrel plug, 2.1 mm x 5.5 mm, center positive
DC Requirements
12 VDC (±5%), 4.2 A
Maximum Power Consumption
15 Watts (when portable host computer not charging)
Environmental
Ambient Temperature Range
32º to 104º F (0º to 40º C)
Dimensions
Width
6.31" (160.34 mm)
Height
2.59" (65.81 mm)
Depth, Chassis Only
5.89" (149.59 mm)
Depth, Including Knob & Jack Protrusions
6.14" (156.10 mm)
Shipping Box (L x W x H)
6" x 8" x 8" (152 mm x 203 mm x 203 mm)
Weight
Weight (bare unit)
2.29 pounds (1.04 kg)
Shipping Weight (with box & accessories)
4.37 pounds (1.98 kg)
Included Items
Software Bundle
UAD Analog Classics (30+ plug-ins)
Channel Strips & Preamps
Century Tube Channel Strip, CS-1 Channel Strip, LA-6176 Signature Channel Strip, Precision Channel Strip, UA 610-A Preamp & EQ, UA 610-B Preamp & EQ
Compressors / Limiters
Fairchild 670 Legacy Compressor, Teletronix LA-2A Legacy Leveling Amplifier, Teletronix LA-2A Tube Compressor, Precision Buss Compressor, UA 1176 FET Compressor, UA 1176LN Legacy, UA 1176SE Legacy
Equalizers
Precision Equalizer, Pultec EQP-1A Legacy EQ, Pultec Pro Legacy EQ
Special Processing
Oxide Tape Recorder, Precision De-Esser, Precision Enhancer Hz, Precision Enhancer kHz, Vibe Analog Machines Essentials
Instruments
PolyMAX Polyphonic Synth
Delay & Modulation
Galaxy Tape Echo, Precision Delay Mod, Precision Delay Mod L
Reverbs & Rooms
Precision Reflection Engine, Pure Plate Reverb
Mastering
Precision Limiter, Precision Maximizer, Precision Multiband
Guitar & Bass
Bermuda Triangle, Raw Distortion, TS Overdrive Pedal, UAD Lion '68 Super Lead Amp, UAD Showtime '64 Tube Amp

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