Equalizer settings I'm using in Spotify for the QC45 to get them to sound a bit more neutral & compensate for the slightly shrill sounding upper frequencies : r/bose
6 sound settings you shouldn't ignore on the Bose QuietComfort Ultra Headphones | What Hi-Fi?
Bose QuietComfort Ultra True Wireless Noise Cancelling In-Ear Earbuds White Smoke 882826-0020 - Best Buy