Sonarworks SoundID Reference for Speakers & Headphones Upgrade SoundID Reference for Headphones (ESD)- speaker and headphone calibration software- upgrades Sonarworks SoundID Reference for Headphones to SoundID Reference for Speakers & Headphones- Caution - upgrade version! Requires a registered license of precise Sonarworks SoundID Reference for Headphones!- adjustment of the frequency response to get flat and neutral sounding monitor speakers or headphones- enables a more precise evaluation of recordings and mixes- room analysis and automated calculation of the room size based on several measurements- Audio Calibration Engine allows for accurate processing- save an unlimited number of calibration profiles for monitor speakers- comes with headphone calibration profiles for more than 280 supported models- target curve custom adjustments in real time- Translation Check simulates over 20 different devices and device types for accurate mix translation results- three filter modes to choose from: Zero Latency, Mixed and Linear Phase allow to optimize filter quality and latency according to the monitoring situation- additional processing controls for Mono, Dry/Wet and Safe Headroom- App only: MIDI mapping for various controls and User Presets for predefined output device/channel pair combinations