Discover the Williams AV FM 558 PRO FM+ Large-Area PRO Assistive Listening System Package, a complete turnkey solution designed to enhance auditory experiences in large areas. This package includes four high-quality PPA R38 receivers and an innovative FM+ transmitter that supports both FM and Wi-Fi transmission, ensuring versatile and expansive coverage. Ideal for accommodating any number of listeners, this system is fully compliant with 2010 ADA guidelines, offering top-tier hearing assistance at a cost comparable to traditional FM systems. Perfect for educational, corporate, or entertainment venues looking to improve accessibility and compliance. Don't miss out on this advanced listening technology!