Apollo TWIN X QUAD Gen 2 Studio +

Realtime Plug-In Recording
Record through vintage-style EQs, compressors, reverbs, and amps with no latency using UAD plug-ins.

Powerful QUAD Core DSP
Run multiple high-end plug-ins simultaneously without straining your computer’s processor.

Unison™ Mic Preamps
Get authentic emulations of classic gear from Neve, API, Manley, and more directly on input.

Studio-Quality Audio Conversion
Hear every detail with clear, high-resolution playback and recording.

Smart Monitoring Tools
Switch between speakers, control levels, mute, dim, talkback, and more, all from the interface.

Headphone and Monitor Calibration
Tune your headphones and monitors for accurate mixing using built-in Sonarworks correction.

Tight DAW Integration
Works seamlessly with major recording software like Pro Tools, Logic Pro, Ableton Live, and more.

Expandable System
Link with other Apollo interfaces via Thunderbolt for more inputs, outputs, and DSP power.

Studio+ Plug-In Bundle
Includes a collection of premium UAD plug-ins from brands like Auto-Tune, Teletronix, and Fairchild.

Sleek Desktop Design
Compact and durable design fits perfectly on your studio desk for easy access.

General Specifications
Device Type: Thunderbolt 3 Audio Interface with Realtime UAD Processing
DSP: QUAD Core (four SHARC® processors)
Host Interface: Thunderbolt 3 (USB-C connector; Mac: compatible with TB1/TB2 via adapter)
Form Factor: Desktop
Dimensions: 6.31" (W) x 2.59" (H) x 5.89" (D), 6.14" depth including knob & jack protrusions
Weight: 2.29 lbs (bare unit), 4.37 lbs (with box & accessories)
Power Supply: External 12 VDC, 15W max consumption
Operating Temperature Range: 0º to 40º C

Audio Conversion
A/D Resolution: 24-bit / up to 192 kHz
D/A Resolution: 24-bit / up to 192 kHz
A/D Channels: 2
D/A Channels: 6
Analog Round-Trip Latency: 1.1 ms @ 96 kHz (w/ 4 UAD legacy plug-ins)

Analog Input
Mic Inputs: 2 x XLR (Combo XLR/TRS)
Mic Input Gain Range: +10 dB to +65 dB
Mic Pad: –20 dB
Mic Input Max Level (PAD On): +25 dBu
Mic Input Impedance: 5.4 kΩ (variable via Unison)
Mic THD+N: –115 dB (0.00018%)
Mic Dynamic Range: 123 dB (A-weighted)
Hi-Z Input: 1 x ¼" TS Unbalanced (Channel 1)
Hi-Z Input Gain Range: +10 dB to +65 dB
Hi-Z Max Input Level: +12.4 dBu
Hi-Z Input Impedance: 1 MΩ (variable via Unison)
Hi-Z THD+N: –110 dB (0.00032%)
Hi-Z Dynamic Range: 121 dB (A-weighted)
Line Inputs: 2 x ¼" TRS Balanced
Line Input Gain Range: +10 dB to +65 dB
Line Input Max Level: +20.2 dBu
Line Input Impedance: 10 kΩ
Line Input THD+N: –115 dB (0.00018%)
Line Input Dynamic Range: 122 dB (A-weighted)

Analog Output
Monitor Outputs: 2 x ¼" TRS Balanced (DC coupled)
Monitor Output Max Level: +20.2 dBu
Monitor Output Impedance: 100 Ω
Monitor THD+N: –120 dB (0.0001%)
Monitor Dynamic Range: 129 dB (A-weighted)
Line Outputs (3-4): 2 x ¼" TRS Balanced (DC coupled)
Line Output Max Level: +20.2 dBu (+4 dBu), +14.5 dBu (–10 dBV)
Line Output Impedance: 100 Ω
Line Output THD+N: –119 dB (0.00011%)
Line Output Dynamic Range: 127 dB (A-weighted)
Headphone Output: 1 x ¼" TRS Stereo
Headphone Max Output Level: +15.8 dBu (600 Ω), +15.4 dBu (300 Ω)
Headphone Output Power: 69 mW (300 Ω), 38 mW (600 Ω)
Headphone THD+N: –114 dB (600 Ω), –112 dB (300 Ω)
Headphone Dynamic Range: 124 dB (A-weighted)

Digital Input
Optical Input: 1 x TOSLINK (ADAT or S/PDIF selectable)
ADAT Channels: 8 @ 44.1/48 kHz, 4 @ 88.2/96 kHz, 2 @ 176.4/192 kHz
S/PDIF Channels: 2 (stereo input)
S/PDIF Format: IEC 958
Digital Clock Sources: Internal, ADAT, S/PDIF

Unison & UAD Processing
Unison Technology: Supported on mic and Hi-Z inputs
Realtime UAD Processing: Available on all analog/digital inputs
DSP Support: 200+ UAD plug-ins (VST, AU, AAX 64)
Plug-In Bundles: Essentials+ or Studio+ (varies by package)
Software Integration: UAD Console, Console Recall, LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live

Monitoring & Control
Monitor Controller: Integrated with Alt Speaker, Mono, Mute, Dim, Talkback
Talkback Mic: Built-in
Cue Mixes: Independently addressable outputs (monitor, headphones, line 3–4)
Monitor Correction: Sonarworks® Calibration Support
Software Tools: UAD Console, UAD Meter & Control Panel, Console Recall Plug-in