We understand that the Sony WF-1000XM4 are a few of the very best real cordless earbuds around, however have you ever wondered whats inside them? Wonder no more, as this teardown reveals all their secrets, and shows us just what makes them sound so good.The teardown comes courtesy of Chinese audiophile website 52audio (by means of Android Police), and it displays some seriously close-up photography of the chipsets and the like.You also get an excellent take a look at the Arm Mediatek system on a chip (SoC). And those screws … talk about teeny.( Image credit: 52audio) The Sony WF-1000XM4 were announced a month back to the day and rapidly shot to the top of our list of best real cordless earbuds (and right near the top of our list of finest wireless earphones of all styles). Sonically, theyre superb, using dynamics and information in spades, as well as tight, accurate bass notes and improved, sophisticated vocals. They also have actually a stacked function set, consisting of IPX4 water resistance, plus Quick Attention and Speak-To-Chat, which both enable you to have a conversation without getting rid of the earbuds. And now you can see simply what enters into making them such a stellar pair of headphones.MORE: Read our Sony WF-1000XM4 reviewSee the competitors: Best real wireless earbudsOur pick of the best headphones dealsThese are the finest noise-cancelling earbuds around.