My new Bose Qc 35 II. I have tested both this and sony XM4 and gone with Qc35II.So much happy specially with 4.8.1 firmware. I wonder it is competing with 2020 XM4
Did Bose QuietComfort 35 firmware upgrade make headphones sound worse? - CNET
Did Bose QuietComfort 35 firmware upgrade make headphones sound worse? - CNET
Bose Now Lets You Downgrade Firmware of QC 35 If You're Facing ANC Issues | Beebom
Bose Updates The QC35 II –Possibly The World's Best-Selling Noise-Canceling Headphones