The Bowers & Wilkins PX Noise Cancelling Wireless Headphones retails for S$589 in Singapore and is available in two colors, Space Grey and Soft Gold.
KEF is one of the oldest UK Hi-Fi audio brand. It was founded by Raymond Cooke who was an ex-BBC electrical engineer.
KEF stands for Kent Engineering & Foundry. Kent Engineering & Foundry is a company that owns the land where KEF was founded.
Plantronics BackBeat PRO 2 is retailing for S$319 while Plantronics BackBeat PRO 2 SE is retailing for S$379.
I am currently using the Bose QuietComfort 15 (QC15), and it is no doubt the best active noise cancellation (ACN) headphones in the market. It is extremely useful especially when you are on a plane.
The Bose QuietComfort 35 (QC35) is the updated model to Bose QC25 and Bose QC25 is the updated model to Bose QC15. What makes Bose QC35 stands out over Bose QC25 is the wireless capability.