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: Thunderbolt 3 Audio Interface with Realtime UAD Processing
DSP: QUAD Core (4 SHARC processors)
Form Factor: Desktop
Compatibility: macOS and Windows (Windows requires Thunderbolt 3; macOS supports Thunderbolt 1/2 via adapter)
Audio Conversion: 24-bit / 192 kHz
Round-Trip Latency: 1.1 ms @ 96 kHz with Realtime UAD Processing
DSP Plug-In Support: Over 200 UAD plug-ins (VST, AU, AAX 64)
Included Plug-Ins: Essentials+
Dimensions: 6.31” (W) x 2.59” (H) x 5.89” (D)
Weight: 2.29 lbs (1.04 kg)

Gain
Mic/Line Gain Range: +10 dB to +65 dB
Hi-Z Gain Range: +10 dB to +65 dB
Mic PAD Attenuation: 20 dB
Hi-Z Input Impedance: 1 MΩ (variable with Unison)
Mic Input Impedance: 5.4 kΩ (default; variable with Unison)
Line Input Impedance: 10 kΩ

Input/Output
Simultaneous I/O: 10 x 6 (with ADAT)
Mic Inputs: 2 x XLR/TRS Combo
Line Inputs: 2 x ¼” TRS Balanced
Hi-Z Input: 1 x ¼” TS Unbalanced (front panel, overrides channel 1)
Monitor Outputs: 2 x ¼” TRS Balanced (DC coupled)
Line Outputs: 2 x ¼” TRS Balanced (DC coupled, software controlled)
Headphone Output: 1 x ¼” TRS Stereo

Input Performance
Mic Input Max Level (PAD On): +25 dBu
Line Input Max Level: +20.2 dBu
Hi-Z Input Max Level: +12.4 dBu
Mic Input THD+N: –115 dB (0.00018%)
Line Input THD+N: –115 dB (0.00018%)
Hi-Z Input THD+N: –110 dB (0.00032%)
Mic Input Dynamic Range: 123 dB (A-weighted)
Line Input Dynamic Range: 122 dB (A-weighted)
Hi-Z Input Dynamic Range: 121 dB (A-weighted)

Output Performance
Line Output Max Level: +20.2 dBu
Monitor Output Max Level: +20.2 dBu
Headphone Output Max Level: +15.4 dBu (300 Ω), +15.8 dBu (600 Ω)
Line Output Dynamic Range: 127 dB (A-weighted)
Monitor Output Dynamic Range: 129 dB (A-weighted)
Headphone Output Dynamic Range: 124 dB (A-weighted)
Monitor Output THD+N: –120 dB (0.0001%)
Headphone Output THD+N: –112 dB (300 Ω), –114 dB (600 Ω)

Digital I/O
Optical Input: 1 x TOSLINK (ADAT or S/PDIF selectable)
ADAT Input: Up to 8 channels @ 44.1/48 kHz, 4 channels @ 88.2/96 kHz, 2 channels @ 176.4/192 kHz
S/PDIF Input: 2 channels @ up to 96 kHz
Clocking: Internal, ADAT, S/PDIF