The exact you prefer (Technical, Editorial, or Marketing-focused?)
The represents an extreme (literally) interpretation of high-efficiency horn loudspeakers, adding massive bass firepower to an already legendary midrange/tweeter assembly. It is not a speaker for critical nearfield listening but for creating a physical, immersive, concert-hall experience in a very large room. Due to its complexity, cost, and rarity, it exists only for a handful of enthusiasts willing to dedicate entire rooms and professional engineering resources to a single playback system.
Provides a lightweight, nearly indestructible exoskeleton.