Sonarworks SoundID Reference for Headphones Upgrade Reference 4 Headphone edition EDU (ESD); headphone calibration plugin; Educational version: requires proof of eligibility; upgrades Sonarworks Reference 4 Headphone edition EDU to SoundID Reference for Headphones EDU; Caution - upgrade version! Requires a registered license of Sonarworks Reference 4 Headphone edition EDU!; adjusts the frequency response to get a flat and neutral sounding headphone; enables a more precise evaluation of recordings and mixes when using an headphone; 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