Apollo x8 Gen 2 Studio +

80+ UAD Analog Classics Pro Plug-Ins
Record and mix with a premium collection of legendary analog studio sounds, including compressors, EQs, reverbs, tape machines, channel strips, and guitar amps.

Elite Apollo X Sound
Capture and hear your music with clear, detailed conversion designed for professional recording and mixing.

Four Unison Mic Preamps
Track vocals and instruments through the sound and feel of classic studio preamps and channel strips.

Realtime UAD Processing
Record with UAD plug-ins as you perform, so artists can hear polished, inspiring sounds while tracking.

Auto-Gain
Set input levels quickly and keep sessions moving without slowing down the creative flow.

Apollo Monitor Correction
Tune your monitors or headphones for more reliable mixing decisions in any room.

Powerful Console Workflow
Control routing, cue mixes, monitoring, and plug-in scenes from a flexible studio-style mixer.

Expandable Studio System
Grow your setup over time by connecting more Apollo interfaces as your studio needs expand.

General Specifications
Device Type: Rackmount Thunderbolt 3 audio interface
Version: Studio+
Included Plug-Ins: 80+ UAD Analog Classics Pro plug-ins
Simultaneous I/O: 18 x 24
Form Factor: 1U rackmount
Bit Depth: 24-bit
Supported Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
Analog Round-Trip Latency: 1.1 ms at 96 kHz
DSP Processing: HEXA Core
DSP Processors: Six SHARC processors

Analog Inputs
Microphone Inputs: 4 x XLR female
Hi-Z Instrument Inputs: 2 x 1/4" TS unbalanced
Line Inputs: 8 x 1/4" TRS balanced
Mic Input Gain Range: +10 dB to +65 dB
Hi-Z Input Gain Range: +10 dB to +65 dB
Line Input Gain Range: +10 dB to +65 dB, inputs 1–4 only
Mic Input Maximum Level: 26 dBu with pad enabled
Hi-Z Input Maximum Level: 12.6 dBu
Line Input Maximum Level: 24 dBu
Mic Input Impedance: 5.4 kΩ
Hi-Z Input Impedance: 1 MΩ
Line Input Impedance: 10 kΩ
Phantom Power: +48V per mic input
Pad: 20 dB per mic input
Low Cut Filter: 75 Hz, 12 dB/octave
Polarity Inversion: Per input channel
Stereo Linking: Channels 1–2 or 3–4

Analog Outputs
Line Outputs: 8 x 1/4" TRS balanced, DC coupled
Monitor Outputs: 2 x 1/4" TRS balanced, DC coupled
Headphone Outputs: 2 x 1/4" TRS stereo
Line Output Maximum Level: 24 dBu at +4 dBu reference
Monitor Output Maximum Level: 24 dBu at +4 dBu reference
Line Output Dynamic Range: 127 dB A-weighted
Monitor Output Dynamic Range: 130 dB A-weighted
Headphone Output Dynamic Range: 126 dB A-weighted
Line Output Impedance: 100 Ω
Monitor Output Impedance: 100 Ω
Headphone Maximum Output Level: 17.8 dBu at 300 Ω, 18.3 dBu at 600 Ω
Headphone Maximum Output Power: 120 mW at 300 Ω, 67 mW at 600 Ω

Digital I/O
ADAT Optical I/O: 2 inputs, 2 outputs
S/PDIF I/O: 1 input, 1 output
Word Clock I/O: 1 input, 1 output
Thunderbolt Ports: 2 x Thunderbolt 3
ADAT Channels: Up to 8 input and 8 output
S/PDIF Channels: 1 stereo input, 1 stereo output
ADAT Connector Type: Optical TOSLINK JIS F05
S/PDIF Connector Type: RCA
Word Clock Connector Type: BNC
Word Clock Termination: 75 Ω switchable
Synchronization Sources: Internal, Word Clock, ADAT, S/PDIF

Conversion Performance
Mic Input Frequency Response: 20 Hz – 20 kHz, ±0.07 dB
Mic Input Dynamic Range: 123 dB A-weighted
Mic Input THD+N: -115 dB, 0.00018%
Hi-Z Input Frequency Response: 20 Hz – 20 kHz, ±0.08 dB
Hi-Z Input Dynamic Range: 122 dB A-weighted
Hi-Z Input THD+N: -111 dB, 0.00028%
Line Input Frequency Response: 20 Hz – 20 kHz, ±0.07 dB
Line Input Dynamic Range: 124 dB A-weighted
Line Input THD+N: -116 dB, 0.00016%
Line Output Frequency Response: 20 Hz – 20 kHz, ±0.05 dB
Line Output THD+N: -119 dB, 0.00011%
Monitor Output Frequency Response: 20 Hz – 20 kHz, ±0.02 dB
Monitor Output THD+N: -127 dB, 0.000045%

Monitoring
Monitor Controller: Integrated
Alternate Speaker Switching: Up to 2 alternate stereo monitor pairs
Surround Monitoring: Up to 7.1
Bass Management: Supported
Monitor Correction: Powered by Sonarworks
Talkback: Built-in microphone
Monitor Metering: 10-segment LED
Channel Metering: 10-segment LED for analog channels 1–8
Headphone Mixes: Independent headphone buses

Software Compatibility
Realtime Processing: UAD plug-ins on analog and digital inputs
Plug-In Formats: VST, AU, AAX 64
DAW Compatibility: LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live
Control Software: UAD Console
Console Features: Auto-Gain, Plug-In Scenes, Bass Management, immersive audio support
System Expansion: Up to 4 Thunderbolt Apollo interfaces
Maximum Expanded I/O: Up to 128 channels

Included Studio+ Plug-In Categories
Vocals & Pitch Correction: 2 plug-ins
Channel Strips & Preamps: 19 plug-ins
Compressors & Limiters: 21 plug-ins
Equalizers: 9 plug-ins
Special Processing: 9 plug-ins
Instruments: 1 plug-in
Delay & Modulation: 8 plug-ins
Reverbs & Rooms: 6 plug-ins
Mastering: 3 plug-ins
Guitar & Bass: 9 plug-ins
LUNA Extensions: 4 extensions

Electrical
Power Supply: External AC-to-DC
AC Input: 100V – 240V AC, 47 – 63 Hz
DC Input: 12 VDC, 9 A
Power Consumption: 72 W maximum, 30 W typical
Power Connector: 4-pin locking XLR

Physical
Width: 19" / 482.6 mm
Height: 1.74" / 44.2 mm
Depth: 12" / 305 mm chassis only
Depth Including Protrusions: 13.5" / 343.1 mm
Weight: 8.8 lb / 3.95 kg
Operating Temperature: 32°F – 104°F / 0°C – 40°C