Buy Bose Quietcomfort 15 -

: A primary source for both new-in-box and used units. Prices range from approximately $30 for used sets to $290 for new ones.

: While Bose typically doesn't sell this model new anymore, their support page is useful for identifying official replacement parts like ear cushions. Key Considerations Before Buying Battery Power : Unlike modern wireless headphones, the Go to product viewer dialog for this item. requires a single AAA battery to function.

: If the battery dies, the headphones will not produce audio at all.