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Williams Sound PPA T46
Personal PA® Bodypack Transmitter


The PPA T46 transmitter will broadcast a speaker’s voice or audio program on one of 17 available channels, 72-76 MHz...
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Williams Sound PPA T46
Usually ships in 7-14 business days.

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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 or PPA R37 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. Ideal for providing hearing assistance to students in the classroom, tour group participants, employee training, business meetings and more.


  • Sleek, ergonomic design
  • 17-channel selectable, 72-76 MHz
  • Digitally synthesized frequencies
  • 1.25” OLED interface displays:
    -master & aux volume level
    -mic mute
    -settings lock
    -battery level
  • Easy-to-use menu-access controls:
    -microphone and auxiliary levels
    -8- or 17-channel mode selection
    -current frequency/channel number
    -compression (1:1 or 2:1)
    -display settings
  • MIC input accepts electret mic with 3.5 mm mono plug
  • AUX audio input accepts 2.5 mm stereo plug (i.e for MP3 or CD player)
  • Range of up to 150’ (with PPA R37 receiver)
  • Belt clip for hands-free operation
  • Meets ADA guidelines
  • Made in the USA


  • Color: Black/Silver
  • Enclosure Material: Shatter-resistant PC/ABS plastic with textured scratch-resistant aluminum faceplate
  • Battery Type options:
    -Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001-2), 75 mA nominal current drain, up to 30 hours battery life
    -Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026-2), 75 mA nominal current drain, up to 20 hours battery life per charge, recharges in 14–16 hours, uses CHG 3502 or CHG 3512 Charger
  • Operating Frequencies: Selectable, 17 channels, 72.1 – 75.9 MHz*. Switchable 8 or 17 Channel Mode. (8-channel mode setting corresponds with PPA R35-8 receiver channels)
  • Stability: ± .005%, frequency synthesized, crystal reference, PLL
  • Modulation: Wide-band FM, 75 kHz peak, 75 µS pre-emphasis
  • RF Output: 80 mV/m at 3 m (max. allowed by FCC rules)
  • Frequency Response: 180 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 plug
  • External Display: OLED for status and menu information.
    -Status: Ch/Freq, Mic Audio Level, Auxiliary Input Audio Level, Battery Status,
    -Mic Mute, Channel Lock, Dual-Preset mode.
    -Menu: Ch/Freq display mode select, Volume, Aux Input, Compression,
    -17 or 8-channel mode, screen time out, screen brightness, restore default settings
  • External Controls: Momentary push button: push and hold 3 seconds for power On/Off, push and release for microphone mute On/Off. “Up”, “Down” and “Menu” buttons for accessing and changing transmitter settings. Battery type switch (Alkaline or NiMH) located behind the battery compartment door
  • External Indicators: Power LED - Green, flashes when battery is low
  • Mic Input: 3.5 mm mono jack with electret mic bias, adjustable gain with 25 dB range
  • Aux Input: 2.5 mm stereo jack, adjustable gain with 60 dB range
  • Audio Compression: 1:1 (off) or 2:1 (on) selectable in menu
  • Compatible Receivers: PFM R31, PFM R32, PFM R33, PFM R36, PPA R35, PPA R37, PPA R35-8, PPA R1600,
  • Approvals/Directives: FCC, Industry Canada, RoHS, WEEE
  • Dimensions: 4.1" L x 2.8" W x 1.1" D (104 mm x 71 mm x 28 mm)
  • Weight: 2.6 oz (74 g), no batteries
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