Bose QuietComfort Ultra Headband Arch Replacement – Fits 1st & 2nd Gen (2023–2025) Cosmetic Condition:Grade A - Excellent Get immersive sound and real-time

Get immersive sound and real-time voice coaching that helps you reach your goals

Audio Port Board: 821-02673-A (Fits A2289 and A2338)

Main PCB: MAIN_L-11

MPN: SM-R860NZSAXAA

balanced sound with dynamic range and noise isolation

Bose QuietComfort Ultra Headband Arch Replacement – Fits 1st & 2nd Gen (2023–2025) Cosmetic Condition:Grade A - Excellent Get immersive sound and real-timeRestore the structure and original fit of your Bose QuietComfort Ultra headphones with this replacement plastic headband arch, offered in Grade A Excellent or Grade B Good condition, and designed to fit both generations of QC Ultra models. The headband arch is the inner structural component that supports the headband cushion and connects the left and right earcup arms. It is ideal for repairs involving cracked, broken, or warped headband frames. These