Is a used Bose QuietComfort 45 worth buying on eBay?

Yes— a used Bose QuietComfort 45 can be worth buying on eBay if the price is meaningfully lower than a new or refurbished Bose QuietComfort model and the listing has strong buyer protections. It’s still a comfortable, travel-friendly noise-canceling headphone, but the deal only makes sense if battery health, ear-pad condition, returns, and authenticity look solid.

Buy if the listing has:

• Clear photos of the actual headphones, case, serial/model labels, ear pads, hinges, and charging port
• A seller with strong recent feedback and a return policy
• eBay buyer protection / authenticity confidence from the listing details
• No signs of cracked hinges, peeling pads, distorted audio, weak battery, or charging issues
• A price low enough that replacing ear pads still leaves it cheaper than buying new/refurbished

Avoid if:

• The listing uses stock photos only
• It says “for parts,” “untested,” “no returns,” or “battery not guaranteed”
• The ear cups are badly worn unless the discount is large
• The seller cannot confirm both sides work, ANC works, Bluetooth pairs, and USB-C charging works

My practical rule: if it’s only slightly cheaper than a new/refurbished Bose QuietComfort, skip the used eBay unit. If it’s a clean, returnable listing from a reputable seller at a substantial discount, it’s a reasonable buy.