Apollo TWIN X DUO Gen 2 Studio +

Realtime Analog Sound
Record and monitor through vintage gear emulations with no noticeable delay.

Dual Unison Preamps
Capture vocals and instruments using emulated mic preamps from Neve, API, Manley, and more.

Built-In UAD Plug-In Processing
Run pro-quality compressors, EQs, reverbs, and amps directly on the device, without taxing your computer.

Studio+ Plug-In Bundle Included
Comes with a wide selection of premium UAD plug-ins for mixing and recording right out of the box.

High-Resolution Audio Conversion
Hear every detail with top-tier A/D and D/A converters and extended dynamic range.

Advanced Monitor Control
Easily manage speakers, headphones, talkback, and alternate outputs with front-panel controls.

DSP-Powered Workflow
Use built-in DUO Core processors to stack effects and handle larger sessions without latency.

Easy Software Integration
Works seamlessly with major DAWs and includes the UAD Console for intuitive routing and control.

Flexible Expansion Options
Connect up to four Apollo interfaces via Thunderbolt to scale your studio setup as you grow.

Headphone and Instrument Ready
Front panel access to Hi-Z instrument input and headphone output for quick, high-quality tracking.

General Specifications
Device Type: Thunderbolt 3 Audio Interface with Realtime UAD Processing
DSP Configuration: DUO Core (2 SHARC® processors)
Audio Conversion: 24-bit / 192 kHz A/D and D/A
Compatibility: macOS and Windows (Thunderbolt 3)
Control Interface: UAD Console software, UA Connect, and Console Recall plug-in
Construction: Desktop Form Factor, Metal Chassis
Form Factor: Portable Desktop Unit
Dimensions: 6.31" (W) x 2.59" (H) x 6.14" (D) (with protrusions)
Weight: 2.29 lbs (bare unit), 4.37 lbs (shipping weight)
Power Requirements: 12V DC, external power supply required
Maximum Power Consumption: 15W

Input/Output Configuration
Simultaneous I/O: 10 x 6 (with ADAT mode)
Mic Inputs: 2 x XLR (combo jacks)
Line Inputs: 2 x ¼" TRS
Hi-Z Inputs: 1 x ¼" TS (front panel, overrides Channel 1 rear input)
Monitor Outputs: 2 x ¼" TRS (stereo pair, DC coupled)
Line Outputs: 2 x ¼" TRS (channels 3–4, DC coupled)
Headphone Output: 1 x ¼" TRS stereo
Digital Input: 1 x Optical TOSLINK (ADAT or S/PDIF selectable)
Thunderbolt Port: 1 x Thunderbolt 3 (USB-C connector)

Gain
Mic Gain Range: +10 dB to +65 dB
Mic PAD: 20 dB attenuation
Hi-Z Gain Range: +10 dB to +65 dB
Line Gain Range: +10 dB to +65 dB

Input Performance
Mic Frequency Response: 20 Hz – 20 kHz, ±0.04 dB
Mic Dynamic Range: 123 dB (A-weighted)
Mic THD+N: –115 dB (0.00018%)
Mic Max Input Level (PAD on): 25 dBu
Mic Input Impedance: 5.4 kΩ (variable via Unison)
Line Frequency Response: 20 Hz – 20 kHz, ±0.04 dB
Line Dynamic Range: 122 dB (A-weighted)
Line THD+N: –115 dB (0.00018%)
Line Max Input Level: 20.2 dBu
Line Input Impedance: 10 kΩ
Hi-Z Frequency Response: 20 Hz – 20 kHz, ±0.05 dB
Hi-Z Dynamic Range: 121 dB (A-weighted)
Hi-Z THD+N: –110 dB (0.00032%)
Hi-Z Max Input Level: 12.4 dBu
Hi-Z Input Impedance: 1 MΩ (variable via Unison)

Output Performance
Line Output Frequency Response: 20 Hz – 20 kHz, ±0.01 dB
Line Output Dynamic Range: 127 dB (A-weighted)
Line Output THD+N: –119 dB (0.00011%)
Line Output Max Level: 20.2 dBu
Line Output Impedance: 100 Ω
Monitor Output Frequency Response: 20 Hz – 20 kHz, ±0.04 dB
Monitor Output Dynamic Range: 129 dB (A-weighted)
Monitor Output THD+N: –120 dB (0.0001%)
Monitor Output Max Level: 20.2 dBu
Monitor Output Impedance: 100 Ω
Headphone Output Frequency Response: 20 Hz – 20 kHz, ±0.01 dB
Headphone Output Dynamic Range: 124 dB (A-weighted)
Headphone Output THD+N: –114 dB (0.00019%) @ 600 Ω
Headphone Max Output Level: 15.8 dBu @ 600 Ω
Headphone Max Output Power: 69 mW @ 300 Ω / 38 mW @ 600 Ω
Headphone Output Impedance: Not specified

Digital Input
TOSLINK (Optical): ADAT (8 ch @ 44.1–48 kHz, 4 ch @ 88.2–96 kHz, 2 ch @ 176.4–192 kHz), or S/PDIF (stereo, up to 96 kHz)
Clock Sources: Internal, ADAT, S/PDIF (based on input selection)

DSP Processing
DSP Architecture: UAD-2 DUO (2 SHARC® DSP cores)
Realtime UAD Processing: Yes (sub-2 ms latency)
Supported Plug-in Formats: VST, AU, AAX 64-bit
DAW Compatibility: LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live, etc.
Included Plug-ins: Up to 50+
Plug-In Features: Auto-Gain, Plug-In Scenes, Monitor Controller, Bass Management

Monitoring & Control
Monitor Controller: Integrated with talkback, ALT speaker switching, mono, dim, mute
Talkback Mic: Built-in
Control Software: UAD Console, Console Recall plug-in, UAD Meter & Control Panel
Monitor Calibration: Apollo Monitor Correction powered by Sonarworks®
Standalone Operation: Limited use, last settings retained when disconnected from host

Expandability
Cascading Support: Up to 4 Thunderbolt Apollo interfaces
Max UAD Devices: 6 total (1 desktop max)
Dante Compatibility: Expandable via Apollo x16D (not built-in)