Bose replaced an out of warranty QC35 with QC45 with no fuss : r/headphones
Bose Debuts New Headphone Trio: Hands-On With New QuietComfort Ultra Headphones and Earbuds - CNET
Got this email while selling old bose products. Anyone else have the same issues? Figured I should just ignore them. : r/Ebay
Product warranty
Bose Headphone Replacement Policy (All You Need to Know)
Bose Headphone Repairs | Free Shipping Both Ways
BOSE Lifestyle Series 5 Home Theatre Repair | Orangevalley Systems
Service – Bose Aviation Headsets
Amazon.com: AHG Replacement QC35 / QC35 ii earpads and QC35 Headband / QC35 ii Headband V3 pad Cushion Compatible with Bose QuietComfort 35 (QC35) and Bose QuietComfort 35 ii (QC35 ii) Headphones : Electronics