Put a sub in every room with our lineup of Episode Architectural Subwoofers, enclosures, and grille kits. New Episode Signature Passive Free Air Subwoofers make installing more subwoofers in distributed audio systems easier than ever before. This subwoofer system offers nearly limitless versatility since it fits into a wall cavity or any number of preconstruction or retrofit enclosures. Its performance is dictated by air volume in the wall or ceiling, allowing you to add rich bass to any room without taking up valuable space. Adding a subwoofer is known to increase a customer’s satisfaction with their audio system, and our subs deliver high-quality sound and integrator-friendly features.