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Universal Audio Apollo Twin X QUAD Desktop Thunderbolt Interface | UAD Analog Classics Pro

Universal Audio Apollo Twin X QUAD Desktop Thunderbolt Interface | UAD Analog Classics Pro

SoundPro Item: 146471 | Part Number: APTXQG2-STU

$1,999.00
$2,248.75 $1,999.00
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MSRP: $2,248.75 | MAP: $1,999.00

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  • Unison Preamp Technology Physically Models Impedance And Gain Structure Of Classic Hardware
  • QUAD Core DSP Engine Offloads Plug-In Processing For Sub-2 Ms Hybrid Workflow
  • Apollo Monitor Correction Via Sonarworks Calibrates Monitors And Headphones For Accurate Playback
  • Auto-Gain Sets Optimal Input Levels Across Multiple Sources In Seconds
  • Bass Management Integrates A Subwoofer Into Any Monitor Setup For Full-Range Mixing
  • Optical TOSLINK Port Accepts ADAT Or S/PDIF For Expanded Digital I/O
  • Thunderbolt Daisy-Chain Support Links Up To Four Apollo Interfaces For Scalable I/O
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The Apollo Twin X QUAD Gen 2 is built for serious home studio producers and professional engineers who demand reference-grade conversion and real-time analog emulation without a rack full of outboard gear. Its dual Unison mic preamps physically model the impedance and gain-staging behavior of classic consoles and preamps from Neve, API, Avalon, and Manley, giving recordists the tactile response and tone of hardware at a fraction of the cost and footprint. The front-panel Hi-Z input handles guitars and basses directly, while the optical TOSLINK port adds up to eight channels of ADAT expansion for growing sessions.

What separates the Apollo Twin X from competing desktop interfaces is the onboard QUAD Core DSP engine, which offloads UAD plug-in processing from the host CPU entirely. This enables hybrid sessions where native tracks and DSP-accelerated plug-in chains run simultaneously with sub-2 ms round-trip latency — a workflow advantage that purely native interfaces cannot replicate at any sample rate. The Gen 2 D/A converter stage powering the monitor outputs raises the dynamic range ceiling further than any previous Apollo Twin, and integration with Apollo Monitor Correction via Sonarworks means the listening environment itself can be calibrated for trustworthy mix decisions.

For producers who track, mix, and master in the same room, the UAD Console app ties everything together with Auto-Gain, Bass Management for subwoofer integration, Plug-In Scenes for session recall, and full monitor controller functionality including talkback and alternate speaker switching. The interface chains with up to four Thunderbolt Apollo units for expanded I/O as the studio scales, and is compatible with LUNA, Pro Tools, Logic Pro, Cubase, Ableton Live, and all major DAWs supporting VST, AU, or AAX 64.

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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 Pro (80+ plug-ins)
Vocals & Pitch Correction
Topline Vocal Suite, Topline Key Finder
Channel Strips & Preamps (19)
API Preamp, API Vision Channel Strip, API Vision Channel Strip Legacy, Avalon VT-737sp Channel Strip, CS-1 Channel Strip, Century Tube Channel Strip, Helios Type 69 Preamp & EQ, LA-6176 Signature Channel Strip, Manley Reference Microphone Preamp, Manley VOXBOX Channel Strip, Neve 1073 Preamp & EQ, Neve 88RS Channel Strip, Neve 88RS Channel Strip Legacy, Precision Channel Strip, SSL E Series Channel Strip, SSL E Series Channel Strip Legacy, UA 610-A Preamp & EQ, UA 610-B Preamp & EQ, V76 Preamplifier
Compressors / Limiters (21)
API 2500 Stereo Bus Compressor, dbx 160 Compressor/Limiter, Empirical Labs EL8 Distressor, Fairchild 660, Fairchild 670, Fairchild 670 Legacy, Precision Buss Compressor, SSL G Series Bus Compressor, SSL G Series Bus Compressor Legacy, Teletronix LA-2 Classic Leveler, Teletronix LA-2A Gray, Teletronix LA-2A Silver, Teletronix LA-2A Legacy, Teletronix LA-2A Tube Compressor, Teletronix LA-3A Classic Audio Leveler, UA 1176 FET Compressor, UA 1176 Rev A Classic Limiter, UA 1176AE Classic Limiter, UA 1176LN Rev E Classic Limiter, UA 1176LN Legacy, UA 1176SE Legacy
Equalizers (9)
Helios Type 69 Legacy EQ, Neve 1073 Legacy, Neve 1073SE Legacy, Precision Equalizer, Pultec EQP-1A Legacy EQ, Pultec EQP-1A Passive EQ, Pultec HLF-3C Passive EQ, Pultec MEQ-5 Passive EQ, Pultec Pro Legacy EQ
Special Processing (9)
A-Type Multiband Dynamic Enhancer, Ampex ATR-102 Mastering Tape Recorder, Little Labs Voice Of God Bass Resonance, Oxide Tape Recorder, Precision De-Esser, Precision Enhancer Hz, Precision Enhancer kHz, Studer A800 Multichannel Tape Recorder, Vibe Analog Machines Essentials
Instruments (1)
PolyMAX Polyphonic Synth
Delay & Modulation (8)
Brigade Chorus Pedal, Cooper Time Cube MkII Delay, EP-34 Tape Echo, Galaxy Tape Echo, KORG SDD-3000 Digital Delay, Precision Delay Mod, Precision Delay Mod L, Studio D Chorus
Reverbs & Rooms (6)
Lexicon 224 Digital Reverb, Ocean Way Studios Deluxe, Ocean Way Studios, Precision Reflection Engine, Pure Plate Reverb, UAD Sound City Studios
Mastering (3)
Precision Limiter, Precision Maximizer, Precision Multiband
Guitar & Bass (9)
Bermuda Triangle, Fender '55 Tweed Deluxe, Raw Distortion, TS Overdrive Pedal, UAD Dream '65 Reverb Amplifier, UAD Lion '68 Super Lead Amp, UAD Ruby '63 Top Boost Amplifier, UAD Showtime '64 Tube Amp, UAD Woodrow '55 Instrument Amplifier
LUNA Extensions (4)
Ampex ATR-102 Master Tape Extension, API Summing Extension, API Vision Console Emulation, Studer A800 Multitrack Tape Extension

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