It's odd that you say decay. IMO Sony's products are still quite good! I have a Sony-WM1A sitting next to me right now that's well-made, and I'm using Sony WF-1000MX3's as headphones, which are also well made. Not only that, but the Sony MDR-EX1000's that I own that are quite old are still buzzing. I can't quite say that for many Apple products I've purchased in the last decade.