Apollo TWIN X QUAD Gen 2 Essential +

Realtime Analog Sound
Record and monitor with zero-latency through classic analog-style plug-ins from Neve, API, Manley, and more.

Unison Mic Preamps
Capture the sound and feel of iconic preamps using two Unison-enabled inputs.

High-Quality Audio Conversion
Hear every detail with top-tier 24-bit/192kHz conversion and ultra-wide dynamic range.

Powerful Onboard Processing
Run professional plug-ins in realtime with built-in QUAD Core DSP, no strain on your computer.

Included Essentials+ Plug-Ins
Get started with a curated bundle of pro-quality UAD plug-ins from brands like Teletronix, Pultec, and Fairchild.

Flexible Audio Connections
Connect mics, instruments, headphones, speakers, and digital gear with 10x6 I/O including ADAT optical input.

Desktop Monitor Control
Easily manage speaker levels, headphone volume, alternate outputs, mono, mute, and talkback with a built-in control panel.

Plug-In Scenes & Auto-Gain
Save and recall entire channel strip setups and automatically set optimal levels for quick workflows.

Mixing Accuracy with Sonarworks®
Get precise headphone and monitor calibration for consistent mixing in any environment.

Expandable System
Link with up to four Apollo interfaces for a growing studio setup without replacing your gear.

DAW Compatibility
Works with all major recording software including Logic, Pro Tools, Ableton, Cubase, and UA’s own LUNA.

General Specifications
Device Type: Desktop Thunderbolt 3 audio interface
Configuration: QUAD Core DSP
Simultaneous I/O: 10 x 6
Audio Resolution: 24-bit / 192 kHz
Analog Round-Trip Latency: 1.1 ms at 96 kHz
Realtime Processing: UAD DSP plug-in processing
Software Bundle: 30+ UAD Analog Classics plug-ins

Computer Connectivity
Host Connection: Thunderbolt 3
Host Port: USB-C type Thunderbolt 3
Thunderbolt Ports: 1
Bus Power: Not supported
Mac Thunderbolt 1/2 Support: Supported with Apple Thunderbolt 3 to Thunderbolt 2 adapter
Windows Thunderbolt 1/2 Support: Not supported

DSP Processing
DSP Cores: 4
DSP Processor Type: SHARC
Realtime Processing Inputs: Analog and digital inputs
Plug-In Formats: VST, AU, AAX 64
Supported Plug-In Library: 200+ UAD plug-ins

Analog Inputs
Microphone Inputs: 2
Line Inputs: 2
Hi-Z Instrument Inputs: 1
Mic/Line Input Connector: Combo XLR/TRS
Hi-Z Connector: 1/4" TS unbalanced
Mic Preamp Type: Digitally controlled analog
Unison Preamp Support: Yes
Input Gain Range: +10 dB to +65 dB
Low Cut Filter: 75 Hz
Phantom Power: +48V per mic input
Pad: 20 dB per mic input
Polarity Inversion: Yes
Stereo Link: Yes

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
Connector Type: XLR female, pin 2 positive

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
Connector Type: 1/4" TRS balanced

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
Input Termination: 600 kΩ
Connector Type: 1/4" TS unbalanced

Analog Outputs
Monitor Outputs: 2
Line Outputs: 2
Headphone Outputs: 1 stereo
Monitor Output Connector: 1/4" TRS balanced
Line Output Connector: 1/4" TRS balanced
Headphone Connector: 1/4" TRS stereo
DC-Coupled Outputs: Monitor outputs and line outputs
Alternate Speaker Output Support: Yes

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

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 at +4 dBu Reference: 20.2 dBu
Maximum Output Level at -10 dBV Reference: 14.5 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 at 300 Ω: -112 dB, 0.00025%
THD+N at 600 Ω: -114 dB, 0.00019%
Maximum Output Level at 300 Ω: 15.4 dBu
Maximum Output Level at 600 Ω: 15.8 dBu
Maximum Output Power at 300 Ω: 69 mW RMS
Maximum Output Power at 600 Ω: 38 mW RMS

Digital Input
Digital Input Port: Optical TOSLINK
Digital Input Modes: ADAT or S/PDIF
S/PDIF Channels: 2
S/PDIF Format: IEC 958
S/PDIF Sample Rates: 44.1, 48, 88.2, 96 kHz
ADAT Channels: Up to 8
ADAT Format: ADAT Lightpipe with S/MUX
ADAT Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
ADAT Channel Count at 44.1/48 kHz: 8
ADAT Channel Count at 88.2/96 kHz: 4
ADAT Channel Count at 176.4/192 kHz: 2

Clocking
Clock Sources: Internal, ADAT, S/PDIF
Digital Clock Selection: Conditional by selected digital input type

Monitoring Controls
Monitor Level Control: Hardware level knob
Headphone Level Control: Hardware level knob
Monitor Mute: Yes
Monitor Dim: Yes
Mono Summing: Yes
Talkback Microphone: Built-in
Talkback Control: Hardware and software
Bass Management: Supported
Monitor Correction: Supported with Sonarworks integration
Immersive Audio Monitoring: Supported

Software Control
Control Application: UAD Console
Auto-Gain: Supported
Plug-In Scenes: Supported
Virtual I/O: Supported
Auxiliary Buses: 2 stereo
Console Recall Plug-In: Supported
System Metering: UAD Meter & Control Panel

Essentials+ Included Plug-In Categories
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

Compatibility
DAW Compatibility: LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live
Expansion Support: Up to 4 Thunderbolt Apollo interfaces
Maximum Expanded I/O: Up to 128 channels
Dante Expansion: Supported via select Apollo models

Power
Power Supply Type: External AC-to-DC
AC Input Connector: IEC C8 non-polarized
AC Requirements: 100V – 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 ±5%, 4.2 A
Maximum Power Consumption: 15 W

Environmental
Operating Temperature: 32°F – 104°F
Operating Temperature: 0°C – 40°C

Physical
Width: 6.31" / 160.34 mm
Height: 2.59" / 65.81 mm
Depth, Chassis Only: 5.89" / 149.59 mm
Depth, Including Knob and Jack Protrusions: 6.14" / 156.10 mm
Unit Weight: 2.29 lb / 1.04 kg
Security Slot: Kensington-compatible

Included Hardware
Audio Interface: Included
External Power Supply: Included
AC Power Cable: Region-specific
Getting Started URL Card: Included