Williams Sound FM 558-12 Pro Plus Large Area Dual FM and Wi-Fi Assistive Listening System, Includes FM T55 Transmitter, 12x PPA R38N Receivers, CHG 3512 12-Bay Charger

Williams Sound FM 558-12 Pro

Williams Sound

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Williams Sound FM 558-12 Pro Assistive Listening System, CHG 3512 12-Bay Charger

Usually ships within 2-5 Days. Delivery is subject to availability.

Ships from Manufacturer

Usually ships within 2-5 Days. Delivery is subject to availability. Estimated to Ship: 07/16/2025.

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Audio

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Assistive Listening

Williams Sound Assistive Listening

Williams Sound FM 558-12 Pro 

Shop the Williams Sound FM 558-12 Pro Plus assistive listening system for superior sound quality and ease of use. Ideal for large venues. Order today!

From the renowned brand Williams Sound comes the advanced FM 558-12 Pro Plus Large Area Dual FM and Wi-Fi Assistive Listening System. This comprehensive package includes the high-quality FM T55 Transmitter, 12 PPA R38N Receivers, and a CHG 3512 12-Bay Charger. The FM T55 Transmitter is a revolutionary device that integrates professional WaveCAST Wi-Fi audio server technology into an FM assistive listening system. This innovative feature allows users to listen via an FM receiver or their own smartphone using the WaveCAST Listening App. Built on a professional digital audio (DSP) platform, the FM T55 Transmitter delivers exceptional audio quality. Its optional Dante interface offers a full audio networking solution for integrators. The PPA R38N Receiver features a high-resolution OLED screen for quick viewing of receiver status and easy access to all user settings. It offers on-screen channel selection with 17 pre-set, wideband frequencies (72-76 MHz) and is compatible with various Williams Sound transmitters. The receiver is digitally synthesized for exceptional audio clarity and stability, and it includes a new stereo jack paired with the mono jack for compatibility with a variety of earphones and headphones. The package also includes the EAR 022 Surround Earphone, an around-ear speaker earphone known for its excellent sound quality. It is compatible with all Williams Sound Receivers and Pocketalkers. The NKL 001 Neckloop is designed to magnetically couple the audio output from a Williams Sound unit into a hearing aid equipped with a T-Coil. It also features a safety breakaway device for user safety. The system comes with an IDP 008 ADA Wall Plaque, a self-adhesive wall plaque that alerts patrons to the availability of a hearing assistance system. The RPK 005 Rack Panel Kit allows for the mounting of one transmitter or modulator in one IEC rack space. This durable and innovative assistive listening system is designed to support those who prefer to use their own smartphones and headphones for a more discreet listening experience, as well as those who prefer a more traditional system with a dedicated FM receiver and headset. With the FM 558-12 Pro Plus Large Area Dual FM and Wi-Fi Assistive Listening System, venues no longer need to choose between providing FM or Wi-Fi assistive listening systems. It supports both iOS and Android WaveCAST Apps in addition to all current and legacy Williams Sound FM Receiver operating on the 72-76 MHz bandwidth.

Williams Sound FM 558-12 Pro Plus Large Area Dual FM and Wi-Fi Assistive Listening System, Includes FM T55 Transmitter, 12x PPA R38N Receivers, CHG 3512 12-Bay Charger

Key Features

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