Apollo x4 Gen 2 is a Thunderbolt 12 x 18 audio interface for desktop, featuring four Unison preamps, Apollo X Gen 2 audio conversion, Auto-Gain, Apollo Monitor Correction, Bass Management, QUAD core DSP processing, and a premium software suite for Mac or Windows.
Main features
- Thunderbolt 12 x 18 audio interface with QUAD Core DSP processing for plug-ins
- Four UnisonTM microphone preamps, two Hi-Z inputs for instruments, Toslink optical I/O (ADAT or S/PDIF)
- Two 1/4" monitor outputs, four 1/4" line outputs (ALT 1 / 2), two 1/4" TRS headphone outputs
- Elite class Apollo X Gen 2 converters, with 24-bit / 192 kHz resolution
- Enhanced D/A for critical monitoring and playback, with a dynamic range of 129 dB
- Calibrates main monitor and headphone outputs with Apollo Monitor Correction powered by Sonarworks®.
- Updated UAD Console application, featuring Auto-Gain, Plug-In Scenes, subwoofer integration with Bass Management, immersive audio support, and more
- Integrated DSP supports over 200 UAD plug-ins via VST, AU, and AAX 64 formats in all major DAWs
- Includes up to 50+ UAD plug-ins with Essentials+ or Studio+ editions
- Compatible with LUNA, Logic Pro, Pro Tools, Cubase, Ableton Live
With UAD Console version 1.2.1 and UAD Software v11.5.1, Apollo Monitor Correction from Sonarworks® is now available and compatible with Apollo X Gen 1 and Gen 2 audio interfaces.
Supported calibration modes:
- Flat Target Mode (default)
- Dolby Atmos Target Curve Mode
- Translation Check Mode: Emulates other speakers for quick mix checks.
- Custom Target Mode: Allows custom room tuning and instant application on Apollo.
Requirements for using this feature:
- At least one Apollo X interface (Gen 1 or Gen 2) configured as a monitoring unit.
- UAD Software v11.5.1 or newer.
- UAD Console v1.2.1 or newer.
- License for the Apollo Monitor Correction Add-on product.
- License for the SoundID Reference product:
- SoundID Reference for Headphones: applies profiles for headphones.
- SoundID Reference for Speakers and Headphones: applies profiles for headphones and speakers (stereo) with calibrated bass management for stereo/subwoofer setups.
- SoundID Reference for Multichannel: applies profiles for headphones and speakers (stereo/multichannel).
- A measurement microphone is required for speaker calibration.
Connectivity and operating systems:
- Internet connection: required for SoundID Reference license authentication.
- Supported operating systems:
- macOS 11 Big Sur and later.
- Windows 10 and 11.
Included in Essentials+ Edition
Channel Strips and Preamps
- Century Tube Channel Strip
- CS-1 Channel Strip
- Helios Type 69 Preamp & EQ
- Precision Channel Strip
- UA 610-A Preamp & EQ
- UA 610-B Preamp & EQ
Compressors / Limiters
- Fairchild 670 Legacy
- Teletronix LA-2A Classic Leveler
- Teletronix LA-2A Gray Classic Leveler
- Teletronix LA-2A Silver Classic Leveler
- Teletronix LA-2A Legacy Leveling Amplifier
- UA 1176LN Legacy
- UA 1176SE Legacy
Equalizers
- Helios Type 69 Legacy EQ
- Pultec EQP-1A Legacy EQ
- Pultec EQP-1A Passive EQ
- Pultec HLF-3C Passive EQ
- Pultec MEQ-5 Passive EQ
- Pultec Pro Legacy EQ
Special Processing
- Auto-Tune Realtime Access
- Oxide Tape Recorder
- Precision Enhancer Hz
- Verve Analog Machines Essentials
Instruments
Delay and Modulation
- Galaxy Tape Echo
- Precision Delay Mod
- Precision Delay Mod L
Reverb & Rooms
- Precision Reflection Engine
- Pure Plate Reverb
- RealVerb Pro Custom Room Modeler
Guitar and Bass
- Ampeg SVT-VR Classic Bass Amplifier
- Marshall Plexi Classic Amplifier
- Raw Distortion
!!! WINDOWS / MAC COMPATIBILITY:
WINDOWS / MAC CONFIGURATION DETAILS here.
| Interface model Universal Audio | Compatible Windows | Compatible Mac |
| Apollo Solo USB Heritage Edition | ✅ | ⛔ |
| Apollo Solo Thunderbolt 3 Heritage Edition | ⚠️ | ✅ |
| Apollo Twin X USB DUO Heritage Edition | ✅ | ⛔ |
| Apollo Twin X DUO Gen 2 Essentials+ | ⚠️ | ✅ |
| Apollo Twin X DUO Gen 2 Studio+ | ⚠️ | ✅ |
| Apollo Twin X Quad Heritage Edition | ⚠️ | ✅ |
| Apollo Twin X Quad Gen 2 Essentials+ | ⚠️ | ✅ |
| Apollo Twin X Quad Gen 2 Studio+ | ⚠️ | ✅ |
| Apollo x4 Heritage Edition | ⚠️ | ✅ |
| Apollo x4 Gen 2 Essentials+ | ⚠️ | ✅ |
| Apollo x4 Gen 2 Studio+ | ⚠️ | ✅ |
| Apollo x6 Thunderbolt 3 | ⚠️ | ✅ |
| Apollo x6 Heritage Edition | ⚠️ | ✅ |
| Apollo x6 Gen 2 Essentials+ | ⚠️ | ✅ |
| Apollo x6 Gen 2 Studio+ | ⚠️ | ✅ |
| Apollo x8 | ⚠️ | ✅ |
| Apollo x8 Heritage Edition | ⚠️ | ✅ |
| Apollo x8 Gen 2 Essentials+ | ⚠️ | ✅ |
| Apollo x8 Gen 2 Studio+ | ⚠️ | ✅ |
| Apollo x8p | ⚠️ | ✅ |
| Apollo x8p Heritage Edition | ⚠️ | ✅ |
| Apollo x8p Gen 2 Essentials+ | ⚠️ | ✅ |
| Apollo x8p Gen 2 Studio+ | ⚠️ | ✅ |
| Apollo x16 Heritage Edition | ⚠️ | ✅ |
| Apollo x16 Gen 2 Essentials+ | ⚠️ | ✅ |
| Apollo x16 Gen 2 Ultimate+ | ⚠️ | ✅ |
| Apollo x16D Essentials+ Edition | ⚠️ | ✅ |
| Apollo x16D Ultimate+ Edition | ⚠️ | ✅ |