Have Your Bose QC35s Been Sounding Weird? You're Not Alone (and There's a Fix)
Bose QuietComfort 35 II vs Sony WH-1000XM4 - SoundGuys
Original QC35 still on 2.5.5, should I upgrade? Did they fix the ANC problem with the new firmware? : r/bose
Bose QuietComfort 35 II Gaming Headset review - SoundGuys
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
Bose disproves conspiracy theories regarding reduced noise canceling performance with QC 35 II update - GSMArena.com news