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Williams Sound FM 557 Pro Plus Large Area Dual FM & Wi-Fi Assistive Listening System, Includes FM T55 Transmitter, 12x PPA R37N Receivers & 12x EAR 022 Surround Earphones
SKU: WSFM55712P MFR: FM 557-12 PRO
Earn VIP Reward PointsKey Features
- Crystal-clear audio: FM assistive listening system ensures exceptional sound quality.
- Wi-Fi enabled: Dual FM & Wi-Fi system offers versatile assistive listening solutions.
- Large area coverage: Ideal for theaters, auditoriums needing assistive technology.
- Easy to use: Intuitive interface for quick setup, seamless assistive listening experience.
- Complete kit: Includes transmitter, receivers, earphones for immediate accessibility.
- ADA compliant: Ensures full accessibility with assistive listening system wall plaque.
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2 Year
$499.99
3 Year
$649.99
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$949.99
Available to U.S. customers only.
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About Williams Sound FM 557
- FM T55 Transmitter -
The new FM Plus integrates professional WaveCAST Wi-Fi audio server technology into a Williams Sound FM assistive listening system. End users can now listen with either an FM receiver or with their own smartphone (via the WaveCAST Listening App). Along with this flexibility comes exceptional audio quality, as the FM Plus is built on a professional digital audio (DSP) platform. Added plus: Its optional Dante interface provides integrators with a full audio networking solution.
The new FM Plus is designed to support those who want to use their own smartphones and headphones for a more discreet assistive listening experience. Simplicity is also available for those who want a more traditional assistive listening system with a dedicated FM receiver and headset. Venues no longer need to choose between providing FM or Wi-Fi assistive listening systems. FM Plus supports both the new iOS and Android WaveCAST Apps -- in addition to all of the current and legacy Williams Sound FM receivers operating on the 72-76 MHz bandwidth.
The FM Plus can have most settings changed via the front panel interface, or the hosted web interface.
A remote programming guide is available upon request.
This version is not Dante compatible. For Dante compatibility, see the FM T55 D.
The FM Plus uses the WaveCAST app to provide an easy-to-use, intuitive user interface. It is available in iOS or Android. Listeners easily select channel and volume level once their personal device is connected to the Wi-Fi network. The app does not work on FM Broadcasts.
- PPA R37N Receivers -
Flexible and simple. The FM receiver features easy-to-use, seek-button channel selection with access to 17 pre-set wideband frequencies between 72-76 MHz. Compatible with the following Williams Sound transmitters: PPA T46, PPA T45, PPA T45NET, PPA T27. Digitally synthesized for even greater audio clarity and stability. A versatile 3.5mm stereo/mono jack allows for a variety of earphone and headphone options, and is neckloop/telecoil-equipped-hearing-aid compatible.
No earphones or batteries.
Note: The Receiver requires a transmitter operating on 72-76 MHz. The Receiver is approved by the FCC for operation in U.S. Markets. The receiver cannot be used in all countries. Check with your government s radio regulations for 72-76 MHz operation.
- EAR 022 Surround Earphones -
Around-ear speaker earphone. Hangs on outside of ear. Excellent sound quality. Can be used with all Williams Sound receivers and Pocketalkers. Rigorously tested and approved for quality, reliability and compatibility with Williams Sound systems.
- NKL 001 Neckloop -
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 will also work with any audio device which has a 8-16 Ohm audio output through a 3.5mm jack. The neckloop works only with hearing aids equipped with a T-Coil.
Safety Breakaway Feature
Integrated safety breakaway device. In the event the neckloop cord becomes entangled with a object in motion, the breakaway device will disconnect the neckloop from the user.
- CHG 3512 12-Bay Charger -
This multi-unit, drop-in style charger will conveniently store and charge up to 12 Williams AV R33, R37, R35-8, R36, R863, RX22-4 receivers, or PPA T36, PPA T46, PFM T36, T863 transmitters over the course of a 16-hour time span. It helps keep your products organized and saves cost on having to replace alkaline batteries.
- ANT 005 Remote Coaxial Antenna -
Remote Coaxial Antenna, 72-76 MHz FM, 22' overall cable length with last 80inches being active antenna. Use with large-area FM transmitters. Works with optional 50' antenna extension (WCA 008 50).
- IDP 008 ADA Wall Plaque -
The Williams Sound ADA Wall Plaque is a self-adhesive wall plaque that alerts your patrons to the fact that your establishment has a hearing assistance system. Perfect for theaters, auditoriums and more, the plaque is large and easy-to-see.
- RPK 005 Rack Panel Kit -
Rack Panel Kit. Mounts one transmitter or modulator (1/2 space product) in one IEC rack space.
For use with PPA T45, PPA T45NET, MOD 232.
Williams Sound FM 557 Features
- FM T55 Transmitter System Features
- Professional audio inputs: 1/4"/XLR, phantom power, line level output jack
- Audio presets: hearing assistance, music, voice and custom
- 16-bit DAC provides 48Khz sample rate
- 10 segment LED bar graph
- FM T55 Transmitter Wi-Fi Features
- Single-channel audio streaming over Wi-Fi
- True professional audio interface
- Supports 45 users in unicast mode or 1500+ users in multicast mode
- Works with free WaveCAST iOS or Android apps
- FM T55 Transmitter FM Features
- Up to 1000' operating range
- Adjustable RF power output
- Professional DSP audio platform
- Works with existing Williams Sound FM receivers
- PPA R37N Receiver Features
- Seek-button access to all 17 wideband frequencies in the 72-76 MHz bandwidth
- Channel-lock capability
- Battery-saving sleep mode
- Low-battery indicator
- Field tunable
- EAR 022 Surround Earphone Features
- Hangs on outside of the ear
- Excellent sound quality
- 3.5mm mono plug
- 1m cord
- Monoaural
- 32 ohm
- Recommended for FM receivers and select IR receivers
- Designed for individuals with mild and low gain hearing loss
- NKL 001 Neckloop Features
- Integrated safety breakaway device
- 18" Cord
- Adult size
- 3.5mm plug
- Monoaural
- 8-16 ohm
- Recommended for PockeTalkers, FM receivers and select IR receivers
- For individuals with moderate to severe hearing loss
Warranty Information
This product has a limited warranty of 24 months.