- Calibration software for headphones and audio systems from stereo to 9.1.6 channels
- Pre-calibrated profiles for 500+ headphone models
- Accurate speaker measurements with Zero Latency, Mixed, and Linear Phase filter modes
- DSP controls: Mono, Dry/Wet, and Safe Headroom adjustments
- Flat target curve trusted by 200,000+ music creators
- Custom Target adjustments and Translation Check to simulate various devices and environments
- Zero latency plugin DSP and near-zero latency calibration on Windows
- Native support for Apple Silicon (M-series chips)
- Direct calibration on DSP-enabled hardware with support for over 10 devices, including Dolby Atmos Renderer
- Apollo Monitor Correction for multiple outputs: one speaker profile and up to two headphone profiles
- Supported target modes: Flat, Dolby Atmos Music curve, Custom Target, and device emulation
- Activation keys for SoundID Reference and Apollo Monitor Correction, usable on up to three devices
- SoundID Reference app and DAW plugin for speakers and headphones (ASIO, WASAPI, APO, HAL)
- SoundID Reference Measurement Microphone (XLR connection) with multi-angle calibration profiles (0°, 30°, 90°)
- Compatible with Apollo X Gen 1 and Gen 2 interfaces (Twin X Duo/Quad, x4, x6, x8, x8p, x16, x16D)
- Supports macOS Big Sur, Monterey, Ventura, Sonoma, and Windows 10/11
- UAD Console app v1.2.1+ and UAD-2 Software v11.5.1+ required
- Requires Sonarworks-supported or individually calibrated headphones
- Stable internet connection necessary for operation (offline use not supported)
- Includes microphone clip for ø21~26mm microphone and 5/8" screw thread
- Microphone stand and XLR to XLR audio cable required for multichannel measurements
- Audio interface requirements: +48v Phantom Power, matching input/output, sample rates (44.1kHz - 192kHz)