The Bose QuietComfort Ultra Earbuds are my favourite earbuds of 2023 ... between your ears”, which is a common occurrence with earphones. The QuietComfort Ultra Earbuds are effectively a replacement ...

First, he determined that the right speaker had died, so he found a replacement on eBay. These were designed for a different set of headphones, but matched the impedance of the original Bose part.