Motiva® FM Transmitter

Product Highlights

  • Delivers superior audio directly to the ear
  • Range of up to 150’ (45.7 m)
  • Flashing Mute and Low Battery Indicator
  • Channel Lock Switch


The Motiva FM body-pack transmitter delivers superior audio directly to the ear, enhancing sound at home, work, or school - anywhere background noise or distance from the source makes listening difficult. Motiva can be customized to meet your specific hearing needs with selectable compression and adjustable frequency response. Motiva features 16 selectable channels on the 72-76 MHz frequencies and has an operating range of up to 150 feet.


Classrooms • Small-group listening • Employee training • Consultations


Note: This transmitter is only available in PFM 330 and 360 systems.  For portable transmitter operation, order the PPA T46 for use with receiver models PPA R37, R38, or R35-8N.

System Includes

Only available as part of the PFM 330 and 360 systems - each transmitter will come with batteries and a belt clip:

(1) PFM T36 transmitter

(2) BAT 001 AA alkaline batteries

(1) CLP 023 belt clip

Pfm t36


  • 16 selectable channels
  • 72-76 MHz
  • Auxiliary input -- broadcast any audio source
  • FM signal, compression, mute control
  • Digitally Synthesized Frequencies 
  • Range of up to 150’ (45.7 m)
  • Flashing Mute and Low Battery Indicator
  • Operates in Normal or Compress (2:1) Mode
  • Individual Mic and Auxiliary Volume Controls
  • Channel Lock Switch
  • Belt Clip for Hands-free Operation
  • 5-year warranty – 90 days on accessories


PFM T36 Architectural and Engineering Specifications

  • The PFM T36 is a wide band body-pack transmitter and shall operate on 16 selectable frequencies between 72MHz and 76MHz. It shall operate for up to 30 hrs with two AA Alkaline batteries and shall be housed in a titanium colored PC/ABS plastic enclosure. The T36 shall have a 3.5 mm microphone jack and a 2.5 mm auxiliary audio input jack. The T36 shall have access to channel select, compression on/off, channel lock, master gain and aux gain inside the battery compartment. There shall be a power switch which also serves as a microphone mute control on the top bezel of the transmitter.
  • The T36 shall have wide band modulation at 75KHz peak with a frequency response of 200Hz to 16KHz. The transmitting antenna shall be integrated into the 40 inch microphone cable.
  • The PFM T36 shall be covered under a five year parts and labor warranty. This transmitter shall be the Williams Sound PFM T36.


Dimensions 4.1" L x 2.8" W x 1.1" H (104 mm x 71 mm x 28 mm)
Weight 2.6 oz (74 g), no batteries
Housing Material Shatter-resistant PC/ABS plastic
Battery Type Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001), 70 mA nominal current drain, 30 hours approx. life or Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026), 70 mA nominal current drain, 20 hours per charge approx., recharges in 14-16 hours, uses CHG 3502 or CHG 3512 Charger
Operating Freq's Selectable, 16 channels, 72.1 - 75.9 MHz* (channels 1-8 correspond with R35-8 receiver channels)
Stability ± .005%, frequency synthesized, crystal reference, PLL
Modulation Wide-band FM, 75 kHz pk, 75 µS pre-emphasis
RF Output 80 mV/m at 3 m (max. allowed by FCC rules)
Freq Response 200 Hz to 13 kHz, ± 3 dB at 1% max. THD
Signal-to-Noise Ratio 65 dB (typical) transmitted
Transmit Antenna Integral with microphone cord
Microphone Electret type, 3.5 mm mono phone plug
External Controls Momentary push button: push and hold 3 seconds for power On/Off, push and release for microphone mute On/Off
Mic Input 3.5 mm mono phone jack with electret mic bias, internal adjustable master gain with 25 dB range
Aux Input 2.5 mm stereo phone jack, internal adjustable gain with 60 dB r nge
Audio Compression 1:1 or 2:1 ratio selected with internal slide switch
Compatible Receivers PFM R31, PFM R32, PFM R33, PFM R36, PPA R35, PPA R35-8, PPA R1600
Warranty 5 years, parts and labor (90 days on accessories)



*NOTE: The PFM 330 system is 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.

Accessories for Motiva® FM Transmitter [PFM T36]

CHG 3502 Body-pack charger, 2-bay

MIC 020 Lightweight rear wear mic

MIC 027 Handheld unidirectional microphone

MIC 044 Noise-Cancelling Mic

MIC 049 Omnidirectional conference microphone

MIC 054 Directional lapel mic

MIC 090 Mini lapel clip microphone

MIC 100 Unidirectional headband microphone

WCA 087 3.5 mm to 2.5 mm stereo audio cable (3 ft)

Products compatible with Motiva® FM Transmitter [PFM T36]


Download/View Name Type Language
PFM T36 Specifications Specifications English
PFM 360/360 RCH Sell Sheet Sell Sheets Español
FM Brochure - High Res Brochures English
PFM/Motiva Quick Setup Guide Manuals English
PFM 360/360 RCH Sell Sheet Sell Sheets English
FM Brochure - Low Res Brochures English
PFM 330/360 Manual Manuals English, Español


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