The Universal Audio Apollo X16 Essentials+ Gen2 is a rackmount Thunderbolt audio interface designed for professional studios and demanding sound engineers. With 18 inputs and 20 outputs, it offers cutting-edge 24-bit/192 kHz digital audio conversion, ideal for high-resolution mixing and recording. Its HEXA Core DSP enables a wide range of UAD plug-ins to be used in real time, optimizing music production in the studio or home studio. The Apollo Monitor Correction feature ensures precise monitoring, even in immersive configurations up to 9.1.6, for optimal control of surround or stereo sound.
✓18 analog and digital inputs and 20 outputs for extensive connectivity
✓2nd-generation Apollo X audio converters with low distortion and wide dynamic range
✓HEXA Core DSP for real-time processing with more than 200 UAD plug-ins
✓Immersive audio support up to 9.1.6 for Dolby Atmos and Auro-3D surround mixing
✓Apollo Monitor Correction for precise studio monitoring adjustment
✓Compatible with major Mac and Windows digital audio workstations
Technical Specifications
Connection type
Thunderbolt
Number of inputs
18 (16 analog via DB-25, 1 stereo AES, 1 Word Clock input)
Number of outputs
20 (16 analog via DB-25, 2 XLR speaker outputs, 1 stereo AES output, 1 Word Clock output)
Converters
2nd-generation Apollo X, 24 bits / 192 kHz
DSP
Integrated HEXA Core
Dynamic range
133 dB
Harmonic distortion
-129 dB
Gain reserve
+24 dBu switchable
Monitoring
Apollo Monitor Correction with Sonarworks® (coming in 2024)
Supported audio formats
24-bit / 192 kHz PCM
DAW compatibility
LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live, etc.
Plug-in formats
UAD DSP, VST, AU, 64-bit AAX
Dimensions
19" rackmount, 2U
Word Clock input/output
BNC
AES input/output
Stereo XLR
Speaker outputs
2 x XLR
Number of surround channels
Support up to 9.1.6
Uses & Benefits
Professional recording with high-resolution audio conversion and low latency
Immersive surround mixing for Dolby Atmos, Auro-3D, and 3D audio projects
Studio and home studio use thanks to Mac/Windows and broad DAW compatibility
Powerful DSP processing for integrating UAD plug-ins in real time
Precise monitoring calibration with Apollo Monitor Correction for accurate sound reproduction
Easy expansion by chaining multiple interfaces for large-scale configurations
Advanced audio routing and mixing management via the intuitive UAD Console application