The headphone arms are attached to the headband hinge by two tiny 1mm x 2mm prongs of metal.
These are continually loaded and unloaded before the metal fails and the headphones become unusable.
The Consumer Rights Act (2015) states products should be durable for a length of time determined by the relative price of the product and, therefore, its expected quality.
Only the two tips of the ear cup arm hold the unit together. This photo shows where the tips have snapped off.
The device was only released around 2 years ago, with multiple instances of failures happening already.
If this happens outside the warranty period (2 years) you'll be left with a £329 pair of headphones that are completly unusable.
If this happens inside the warranty, Bowers & Wilkins will replace the headphones with another pair of PX that might last another 2 years.
The arms of the PX 7 have been redesigned, solving this issue, but Bowers & Wilkins say no to:
Bowers & Wilkins will not offer any more than 90 days warranty on a replacement PX, beyond the original 2 year warranty.
Bowers & Wilkins have not said they have fixed the issue on a replacement PX, just that they "are always making continuous improvements to our products and our manufacturing processes."
Bowers & Wilkins will not allow paying to replace with the PX7.
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