If disappearing means 3D sound field, then when I started my high-end audio journey I visited a brick and mortar audio store. There I heart GoldenEar Triton speakers hooked up to Parasound electronics. I was gobsmacked when I heard a 3D sound field for the first time.
Depending on speaker design, they seem to vary from their ability to create this 3D or not. I’ve often wondered if brands like Tannoy could pull off a disappearing 3D