Let's start with measurements first. BTW, I really love the timbre** of the Supermoon. More later... Campfire Audio Supermoon Frequency Response Compared to Gaudio Nair* (GRY) * By wide consensus, the most perceptive neutral IEM on the planet with S-tier rating on tonality. **Will not be seen in FR. My guess is it will be seen in distortion patterns (to be posted later).