SoundID Reference for Speakers & Headphones + Apollo Monitor Correction Add-on.

SoundID Reference for Speakers & Headphones measures your room and stereo speakers and includes averaged profiles for more than 500 headphone models. The Apollo Monitor Correction Add-on sends those profiles into UAD Console, where they run on the Apollo X's own DSP, so monitoring stays calibrated without the DAW plugin. The x16 and x16D take the speaker profile only. You need a measurement microphone, an Apollo X Gen 1 or Gen 2 interface and an internet connection.