Yes it would be great to give us more information for sound changes with firmware updates. As before it sounded more, musical, lush, tube like with exceptionally more bass. With 2.0 update it sounds brighter, more instrumental separation, wider soundstage, less bass more airy. It sounds more like an reference Dap, not Sony Sound signature as it suits more classical music. An audio friend told me that Ak Ultima SP1000 CU has the best slam bass for Rock/Pop Music, but too expensive to buy. When on sale. Sony had ruined the sound signature for some people. Some people love the new software update. Can’t please everyone. To me it sounds more like an Astell&kern Daps. As I own 3 previous flagships. I bought Sony for an different sound signature. I do hope Sony is listening to customers feedback, it needs another software update.