Follow ZDNET:  Add us as a preferred source  on Google. To commemorate a decade of acclaimed flagship over-ear headphones, Sony released a special-edition version, aptly named 1000X The Collexion . Sony looks back from 2016 to now, and its 1000X-series headphones went from proving they could outdo competitors to becoming industry frontrunners. Also: I've tested dozens of Sony headphones - these 4 tweaks get me the best sound quality Typically, Apple's $549 price tag for its AirPods Max 2 is where I consider the ceiling for consumer headphones. Anything beyond, such as Bowers & Wilkins' $800 Px8 S2, I put in the luxury category. Sony just entered said category, pricing its 1000X The Collexion at $650, in exchange for its design and audio upgrades, which build on the WH-1000XM6 , released one year ago. Thus, 1000X The Collexion shares a similar silhouette to its more affordable sibling, but debuts with a sleeker appearance, more premium materials, and higher-quality internal audio components.…