Apollo TWIN X DUO Gen 2 Essential +

Realtime Plug-In Recording
Record vocals and instruments with near-zero latency using UAD plug-ins like compressors, EQs, and preamps.

Unison Mic Preamps
Shape your recordings with authentic emulations of legendary analog gear from brands like Neve, API, and Manley.

High-Resolution Audio
Capture and hear every detail of your sound with advanced 24-bit/192 kHz audio conversion.

Built-In DSP Processing
Run complex plug-in chains directly on the interface without stressing your computer.

Accurate Monitoring Tools
Fine-tune your mixes using speaker calibration and headphone correction powered by Sonarworks.

Integrated Talkback and Control
Use the built-in microphone and top-panel controls to easily communicate and manage sessions.

Flexible I/O Options
Connect mics, instruments, and digital gear through mic/line inputs, Hi-Z input, optical input, and line outputs.

Studio-Grade Headphone Output
Monitor with high clarity using a powerful and clean headphone amp.

UAD Console Software
Access intuitive control over plug-in routing, gain settings, and monitor functions with scene-saving and auto-gain features.

Expandable System
Connect up to four Apollo interfaces for more I/O and DSP power as your studio grows.

Compatible with Major DAWs
Works seamlessly with Logic Pro, Pro Tools, Ableton Live, Cubase, and Universal Audio’s LUNA.

Includes UAD Plug-In Bundle
Start creating right away with included professional plug-ins in the Essentials+, 30+ UAD Analog Classics plug-ins.

General Specifications
Device Type: Desktop Thunderbolt audio interface
Software Bundle: 30+ UAD Analog Classics plug-ins
I/O Count: 10 x 6 simultaneous channels
DSP Processing: DUO Core
Audio Resolution: 24-bit / 192 kHz
Connection Protocol: Thunderbolt 3
Form Factor: Desktop

Analog Inputs
Microphone Inputs: 2 x XLR combo
Line Inputs: 2 x 1/4" TRS combo
Instrument Input: 1 x 1/4" Hi-Z TS
Mic Preamp Type: Digitally controlled analog
Unison Preamps: 2
Phantom Power: +48V, switchable per mic input
Pad: 20 dB, switchable per mic input
Low Cut Filter: 75 Hz
Polarity Inversion: Switchable
Stereo Linking: Supported

Analog Outputs
Monitor Outputs: 2 x 1/4" TRS balanced
Line Outputs: 2 x 1/4" TRS balanced
Headphone Output: 1 x 1/4" TRS stereo
DC-Coupled Outputs: Monitor outputs and line outputs
Alternate Speaker Switching: Supported
Talkback Microphone: Built-in

Digital I/O
Digital Input: Optical TOSLINK
Digital Formats: ADAT, S/PDIF
ADAT Channels: Up to 8 input channels
S/PDIF Channels: 2 input channels
ADAT Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
S/PDIF Sample Rates: 44.1, 48, 88.2, 96 kHz
Clock Sources: Internal, ADAT, S/PDIF

Conversion
A/D Conversion: 2 channels
D/A Conversion: 6 channels
Available Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
Bit Depth: 24-bit
Monitor D/A Dynamic Range: 129 dB A-weighted
Analog Round-Trip Latency: 1.1 ms at 96 kHz
Realtime UAD Processing Latency: 1.1 ms at 96 kHz through four legacy UAD plug-ins

Microphone Input Performance
Frequency Response: 20 Hz – 20 kHz, ±0.04 dB
Dynamic Range: 123 dB A-weighted
THD+N: -115 dB, 0.00018%
Maximum Input Level: 25 dBu with pad enabled
Default Input Impedance: 5.4 kΩ
Gain Range: +10 dB to +65 dB
Connector Type: XLR female, pin 2 positive

Hi-Z Input Performance
Frequency Response: 20 Hz – 20 kHz, ±0.05 dB
Dynamic Range: 121 dB A-weighted
THD+N: -110 dB, 0.00032%
Maximum Input Level: 12.4 dBu
Default Input Impedance: 1 MΩ
Gain Range: +10 dB to +65 dB
Connector Type: 1/4" TS unbalanced

Line Input Performance
Frequency Response: 20 Hz – 20 kHz, ±0.04 dB
Dynamic Range: 122 dB A-weighted
THD+N: -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" TRS balanced

Line Output Performance
Frequency Response: 20 Hz – 20 kHz, ±0.01 dB
Dynamic Range: 127 dB A-weighted
THD+N: -119 dB, 0.00011%
Maximum Output Level: 20.2 dBu at +4 dBu reference
Maximum Output Level: 14.5 dBu at -10 dBV reference
Output Impedance: 100 Ω
Connector Type: 1/4" TRS balanced

Monitor Output Performance
Frequency Response: 20 Hz – 20 kHz, ±0.04 dB
Dynamic Range: 129 dB A-weighted
THD+N: -120 dB, 0.0001%
Maximum Output Level: 20.2 dBu
Output Impedance: 100 Ω
Connector Type: 1/4" TRS balanced

Headphone Output Performance
Frequency Response: 20 Hz – 20 kHz, ±0.01 dB
Dynamic Range: 124 dB A-weighted
THD+N: -112 dB, 0.00025% at 300 Ω load
THD+N: -114 dB, 0.00019% at 600 Ω load
Maximum Output Level: 15.4 dBu at 300 Ω load
Maximum Output Level: 15.8 dBu at 600 Ω load
Maximum Output Power: 69 mW RMS at 300 Ω load
Maximum Output Power: 38 mW RMS at 600 Ω load
Connector Type: 1/4" TRS stereo

Software and Processing
Realtime DSP Processing: Supported
UAD Plug-In Support: 200+ titles
Plug-In Formats: VST, AU, AAX 64
DAW Compatibility: LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live
Console Software: UAD Console
Console Features: Auto-Gain, Plug-In Scenes, Bass Management, immersive audio monitoring
Monitor Correction: Main monitor and headphone calibration support
Virtual I/O: Supported
Auxiliary Buses: 2 independent stereo buses
Console Recall Plug-In: Supported

Essentials+ Included Plug-In Categories
Included Plug-Ins: 30+
Channel Strips and Preamps: 6 plug-ins
Compressors and Limiters: 7 plug-ins
Equalizers: 3 plug-ins
Special Processing: 5 plug-ins
Instruments: 1 plug-in
Delay and Modulation: 3 plug-ins
Reverbs and Rooms: 2 plug-ins
Mastering: 3 plug-ins
Guitar and Bass: 5 plug-ins

Expansion
Thunderbolt Expansion: Up to 4 compatible interfaces
Maximum Expanded I/O: Up to 128 channels
UAD Device Expansion: Up to 6 UAD devices total
Desktop Interface Limit: 1 desktop unit per Thunderbolt system

Power
Power Supply: External AC-to-DC
AC Input Connector: IEC C8
AC Requirements: 100–240V AC, 50–60 Hz, 1.2 A max
DC Connector: 2.1 mm x 5.5 mm center-positive barrel
DC Requirements: 12 VDC, 4.2 A
Maximum Power Consumption: 15 W
Bus Power: Not supported

Physical Specifications
Width: 6.31" / 160.34 mm
Height: 2.59" / 65.81 mm
Depth: 5.89" / 149.59 mm
Depth Including Knob and Jack Protrusions: 6.14" / 156.10 mm
Weight: 2.29 lb / 1.04 kg
Shipping Weight: 4.37 lb / 1.98 kg
Operating Temperature: 32°F – 104°F / 0°C – 40°C