- PA Sound Systems
- Classroom Audio
- Tour Guide Audio
- Translation Systems
- Assistive Listening
Williams Sound PFM PRO Personal FM Systems
for Educational Institutions and ADA Compliance in Public Facilities.
The PFM PRO personal FM System delivers superior FM audio and enhances sound by overcoming distance and background noise. Perfect for classrooms, the PFM PRO system maximizes a student's ability to hear and ensures that the speaker's message is heard clearly. The transmitter can mix and broadcast a speaker's voice plus an audio program simultaneously.
PFM PRO and PFM PRO RCH systems replaces Motiva and Easy Listener FM systems
- PFM PRO RCH
Personal FM with
Rechargeable Batteries - PFM PRO
Personal FM with
Alkaline Batteries - A La Carte Menu
Build our own
Personal FM System - All About PFM PRO
Technical Data,
User Manuals, etc.
PFM PRO Accessories and Replacement Parts
The unit features flexible microphone and auxiliary input jacks, push-button on/off/mute controls, channel lock and selectable compression. The T46 has the ability to operate in dual channel mode, allowing the user to easily switch between two different transmitting channels, each with its own set up parameters. An OLED screen displays current operating status and menu information. The new T46 operates up to 30 hours on two (2) AA Alkaline batteries, and up to 20 hours with two (2) NiMH batteries when used with the Williams Sound drop-in charger. Compact and lightweight, the PPA T46 will operate at a range of up to 150 feet (46m) from the listening audience. Equipped
with a standard 3.5 mm mic jack, the PPA T46 transmitter can also be used
with a variety of microphone styles such as lapel, headset, conference table and hand held
units typically used for personal communication applications. Furthermore, the PPA T46 incorporates a 2.5 mm AUX audio input jack accepting input from a Smartphone, MP3 or CD player.
The stylish, impact-resistant receiver offers crystal clear audio and is compatible
with any Williams Sound Personal PA wideband transmitter. The system is expandable, accommodating any number of listeners. Receivers include a detachable belt-clip for hands-free operation. A standard 3.5 mm stereo phone jack accommodates a variety of earphones,
headphones and neckloops. The PPA R37 receiver is equipped with a integrated volume on/off
switch and a green LED power on indicator. The green power on LED will
illuminate red indicating low battery power. The PPA R37 receiver operates
on two AA alkaline batteries for 50 hours of long-lasting operation. A
battery selector switch inside the battery compartment also permits use of
NiMH rechargeable batteries. Operating time with NiMH rechargeable batteries is approximately
32 hours.
The charger helps keep receivers organized and saves cost on having to
replace 
alkaline batteries. The charger features individual charging LED
indicators that blink when batteries are ready. The CHG 3512 PRO includes a convenient carry case. A Dual Drop-In Charger, 
