The Personal FM System from Williams Sound delivers superior FM audio and enhances sound by overcoming distance and background noise. Perfect for classrooms, the PFM system maximizes a student's ability to hear and ensures that the speaker's message is heard clearly. Use the transmitter to mix and broadcast a speaker's voice plus an audio program, simultaneously, in one room.
Williams Sound PFM PRO RCH Personal FM System
PFM PRO Accessories and Replacement Parts
All about the PFM PRO Personal Communication Systems
The PPA T46 transmitter will broadcast a speaker’s voice or audio program on one of 17 available channels, 72-76 MHz, to listeners using PPA R35-8, PPA R37, PPA R38 receivers or an R1600 speaker. 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. Rechargeable capability when used with Williams Sound drop-in chargers. Lightweight and portable, 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.
The PPA R37 SelectTM Channel FM Receiver features a Seek/Scan function channel selector with access to 17 pre-set wideband frequencies between 72-76 MHz. 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 CHG 3512 and CHG 3512 PRO multi-unit, drop-in style charger will conveniently store and charge up to 12 Williams Sound R33, R37, R35-8, R36, receivers, or PPA T36, PPA T46, PFM T36 transmitters over the course of a 16-hour time span. 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 portable carry case. A Dual Drop-In Charger, CHG 3502, (right) is also available. The standard version includes a US power supply (120 VAC). Other power supplies are available upon request.
NOTE: PFM PRO systems are approved by the FCC for operation in U.S. markets. The system cannot be used in all countries.
Check with your government´s radio regulations for 72-76 MHz operation.