Williams Sound PPA T27 FM Transmitter

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  • PPA 727
  • Williams Sound PPA T27 FM Transmitter
MSRP: $800.00
— You save $42.00
Frequently bought together:


The PPA T27 transmitter broadcasts a speaker’s voice, music program or audio service wirelessly up to 1000 feet to a listening audience. Audience participants can use the optional any FM receiver operating on the 72-76 MHz frequency to pick up the broadcast. The speaker simply connects a microphone with a 3.5mm plug into the unit to broadcast their voice. Unit also can connect to a sound system through a line-level (RCA) jack to broadcast music or other audio service. Meets Americans with Disabilities Act (ADA) accessibility requirements and is covered by a Lifetime PLUS Limited Warranty.


  • Simple set-up and operation
  • High-contrast LED display and push-button frequency selection
  • Up to 1000’ operating range
  • Flexible 3.5mm mic and RCA line-level inputs


  • Heavy duty black plastic case
  • Microprocessor controlled with push button configuration.
  • Operating range of up to1000ft. with optional ANT 005.
  • 17 wideband channels operating on the hearing assistance bandwidth between 72 MHz to 76 MHz.
  • ‘Rubber duckie’ antenna output through the top of the enclosure.


Dimensions & Weight: 4.1” W x 6.1” L x 1.3” H (104.1 mm x 154.9 mm x 33 mm)
7.8 oz. (221 g)
Color: Black
Power (U.S./Canada): 105-130 VAC, 50-60 Hz, 3.2 W at 120 VAC
Operating Frequencies:

72-76 MHz*: 72.1 (CH A), 72.2 (CH K), 72.3 (CH B), 72.4 (CH N), 72.5 (CH C),

72.6 (CH O), 72.7 (CH D), 72.8 (CH P), 72.9 (CH E), 74.7 (CH I), 75.3 (CH J),

75.4 (CH R), 75.5 (CH F), 75.6 (CH S), 75.7 (CH G), 75.8 (CH T), 75.9 (CH H)

Frequency Selector: External switches, 17 channels (lockable)
RF Field Strength: Does not exceed 80mV/m @ 3m
Nominal Range: Up to 1000 feet (305 m) w/standard ANT 021 “rubber duckie” antenna or optional ANT 005 coaxial antenna.
Modulation: FM, 75 kHz deviation (wide–band) max.
Stability: ± .005% over 0-50˚C
Pre-Emphasis: 75 µS
Frequency Response: 85Hz - 14kHz ±3dB
Distortion: 1% Max. THD
Signal to Noise Ratio: 65 dB with R35 Receiver
Microphone Input: 3.5mm mini phone jack, supplies +DC for electret mics
Mic Input Level: 1–10 mV, nominal
Line-Level Input: RCA Jack, Hi Z, unbal.
Line Input Level: .1–1 Vrms, nominal
Input Attenuator: Pot, screwdriver-adjustable
Antenna Outputs:

Thread mount for ANT 021 “rubber duckie” antenna or ANT 025 telescoping antenna 

RF connector for ANT 024 dipole or ANT 005 coaxial antenna

Approvals: FCC, Industry Canada, RoHS, WEEE
Warranty: Lifetime PLUS Limited Warranty, 90 Days on most accessories.


System Includes

  • PPA T27 FM transmitter (1)
  • ANT 021 antenna (1)
  • WCA 013 audio cable (1)
  • TFP 036 power supply (1)


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Warranty Information

Lifetime Limited Warranty
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1 Review

  • 2
    Average sound quality and a lots of trouble with the antenna

    Posted by Jerry, NV on 25th Mar 2015

    The sound quality good under certain conditions,but the antenna has several problems every time, and it broke a couple of times since we bought it.

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