Using the Equalizer settings - Bose QuietComfort® Earbuds II
Bose QuietComfort 35 II Wireless Bluetooth Noise-Cancelling Headphones Earphones | eBay
Bose QuietComfort 35 II Review (Noise Cancelling Headphone) | Audio Science Review (ASR) Forum
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Bose QuietComfort 35 II review - SoundGuys
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
Bose QuietComfort 35 II review - SoundGuys
Bose QuietComfort Ultra Headphones - White | Sweetwater