Bose QuietComfort 45 adjustable EQ support confirmed, says support
New Firmware Adds Customizable EQ To Bose QuietComfort 45 Headphones
Bose - New feature — the “Equalizer” setting for #BoseHeadphones 700 in the Bose Music app lets you control the bass, midrange, and treble of whatever you're listening to. How do you
Bose QC45 adds EQ control, here's how to install the update
Bose Music App | Bose
How to EQ Bluetooth headphones, no matter the brand - SoundGuys