SoundID Reference software for speakers and headphones, including the Apollo Monitor Correction Add-on.
→ Reliable, consistent, easy to use calibration software for all of your audio
system:
○ Ready-to-use headphone calibration for 500+ models
○ Accurate speaker measurements and calibration for stereo systems
○ 3 filter modes: Zero Latency, Mixed and Linear Phase
○ Additional DSP processing controls: Mono, Dry/Wet and Safe Headroom
○ MIDI mapping in the SoundID Reference app for various controls
○ User Presets in the SoundID Reference app for switching quickly
between predefined output device/channel pair combinations
→ Control your target sound:
○ Flat target curve used by over 200’000+ music creators globally
○ Custom Target: target curve adjustments in real time
○ Translation Check: simulate 20+ different devices and environments
→ High performance and flexibility:
○ Zero latency plugin DSP
○ Near-zero latency system-wide calibration on Windows
○ Native support for Apple Silicon (M-series chip devices)
→ Export your calibration profile to supported hardware:
○ Apply calibration directly on DSP-enabled hardware
○ 10+ device integrations available (audio interfaces, speakers, Dolby
Atmos Renderer, and more)
○ See the exact list of calibration profile types and supported target
devices here: SoundID Reference Integrations
Key features of Apollo Monitor Correction Add-on
→ Speaker and headphone calibration running directly on Apollo X hardware.
→ Multiple outputs calibrated simultaneously: one speaker profile, and up to two
headphone profiles (depending on the Apollo X model used)
→ Calibrated bass management for stereo speaker setups with subwoofer
→ Supported target modes include: Flat, Dolby Atmos Music curve, user Custom
Target, and various device emulation targets via Translation Check.
→ Near-zero latency integrated performance.
What’s included
→ Activation key for the SoundID Reference product license: the product can be
activated and used on 3 devices
→ Activation key for the Apollo Monitor Correction Add-on product license: the
product can be activated and used on 3 devices
→ SoundID Reference standalone app for speakers and headphones (ASIO,
WASAPI, APO, HAL)
→ SoundID Reference DAW plugin for speakers and headphones (AU, VST2, VST3,
AAX)
→ Averaged profiles for 500+ supported headphone models
→ Apollo Monitor Correction Add-on for integrated functionality with Apollo X
devices
System requirements
→ A supported Apollo X audio interface:
○ Apollo X Gen 1: Apollo Twin X Duo/Quad, Apollo Twin X USB, Apollo x4,
Apollo x6, Apollo x8, Apollo x8p, Apollo x16
○ Apollo X Gen 2: Apollo Twin X Duo/Quad, Apollo x4, Apollo x6, Apollo x8,
Apollo x8p, Apollo x16, Apollo x16D
Supported operating systems
○ macOS 11 Big Sur, 12 Monterey, 13 Ventura, 14 Sonoma
○ Windows 10, 11
→ UAD Console app v1.2.1 (or newer) installed, and UAD-2 Software v11.5.1 (or
newer) installed
→ 2.0 stereo speaker system (the Apollo Monitor Correction Add-on also supports
calibrated bass management for 2.1 systems)
→ Sonarworks supported or Sonarworks individually calibrated headphones
→ Stable internet connection (offline use not supported)
→ SoundID Reference Measurement Microphone, or Sonarworks XREF 20
Measurement Microphone
→ XLR to XLR audio cable
→ Audio interface requirements during the speaker measurement process:
○ +48v Phantom Power support
○ The same audio interface must be used for input/output
○ The audio interface must support and be set to one of the following
sample rate formats: 44.1kHz, 48kHz, 88kHz, 96kHz, 192kHz
○ The audio hardware setup must consist of a single external hardware
device only (additional preamp units are supported)