Be the first to review this product


Quick Overview


FM ADA Compliance Kit

  • Simple set-up and operation

  • T46 transmitter

  • 150’ operating range

  • 100 hours receiver battery life

  • Meets new 2010 ADA accessibility guidelines


Double click on above image to view full picture

Zoom Out
Zoom In

More Views

  • FM ADA KIT 37



FM ADA Compliance Kit

This kit provides everything you need to accommodate individuals for hearing accessibility in a small-group settings such as libraries, conference rooms and information desks. This portable, easy-to-use FM system operates at 72-76 MHz on one of 17 selectable channels. This single kit satisfies ADA requirements for multiple-room facilities.



  • Schools
  • Jury Rooms
  • Council Chambers
  • Conference Rooms
  • Corporate Board Rooms
  • Libraries
  • Information Desks

NOTE: The FM ADA Compliance Kit 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.

Disclaimer: FCC rules limit use of this equipment to auditory assistance.



(1) PPA T46 transmitter
(4) PPA R37 receivers
(4) HED 027 headphones
(1) MIC 090 lapel microphone
(1) MIC 049 desktop conference mic
(1) CCS 029 system carry case
(2) NKL 001 neckloops
(5) BAT 001-2 AA alkaline batteries
(1) IDP 008 ADA wall plaque






HED 027  
Style: Heavy-duty, folding, mono headphones
Plug: 3.5mm mono
Cord: 39"
Driver Size: 40 mm
Nominal Impedance: 16Ω
Freq. Response: 20 - 20kHz
Weight: 102g
Max Power Input: 100 mW
Sensitivity: 96 dB @ 1kHz
Replacement Pads: EAR 035 (one pair)
IDP 008  
Dimensions: 10-3/8" (L) x 6-¼" (W) x 1/8" (H)
MIC 049  
Phantom Power: 1.2 - 10 VDC
Impedance: 1.5 kΩ
Operating Voltage: 1.2 - 10 VDC
Freq. Response: 100 Hz - 8 kHz
Signal-to-Noise Ratio: >60 dB
Pick-Up Pattern: Omni-directional
Element: Electret-condenser
Sensitivity: -38 dB ± 3 dB
Approvals: RoHS
Color: Black
Weight: 0.08 lbs
Plug: 3.5 mm mono
Cord Length: 36”
Approvals: RoHS
Warranty: 90 days
MIC 090  
Element: Electret-Condenser
Pick-Up Pattern: Omni-directional
Phantom Powered: No
Impedance: 1.5 kΩ
Frequency Response: 20 Hz – 18 kHz
Dynamic Range: 79 dB
Sensitivity: -56 ± 3 dB
Signal-to-Noise Ratio: 63 dB
Plug: 3.5 mm, right-angle
Cord Length: 39”
Color: Black
Weight: 0.05 lbs
Replacement Windscreen: WND 006
Replacement Clip: CLP 090
Approvals: RoHS
Warranty: 90 days
PPA R37  
Dimensions: 4.1" x 2.85" x 1.38" (104 x 72 x 35mm)
Weight: 4.6oz (130g) with batteries. 2.6oz (73g) without batteries     
Color: Black
Battery Type: (2) AA Alkaline or 2 x AA NiMH    
Battery Life: Two (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs
Current Consumption: 52mA nominal
Temperature Range: – 0 to 50C
Channels 17, accessed via seek button in battery compartment
Operating Freq.: 72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz*
Intermediate Freq.: 75 kHz
FM Deviation: 75 kHz
De-Emphasis: 75 µS
LED Indicator: Power:  Green; Low Battery:  Flashes Green
AFC Range: ± 120 kHz
Sensitivity: 2 µV at 12 dB Sinad with squelch defeated
Input Overload: 100 mV
Frequency Response: 200 – 15 kHz
Modulation: FM, +/- 75 kHz peak deviation
Signal-to-Noise Ratio: 65 dB min @ 100 uV
Receive Antenna: Integral with earphone/headphone cord
Audio Output: 35 mW max, peak into 16 ohms
Output Connector: 3.5 mm stereo/mono phone jack
Earphone: Earbud-type with foam cushion, 3.5 mm plug, 32 Ω
Auto Shut-off Enters sleep mode after approx 6 mins of no RF signal
Approvals: FCC, Industry Canada, RoHS, WEEE
Warranty: Lifetime PLUS Limited Warranty, 90 Days on most accessories.
PPA T46  
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
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
Warranty: Lifetime PLUS Limited Warranty, 90 Days on most accessories.
Brand Williams Sound
Model Number FM ADA KIT 37
Discontinued No
Type Listening Center

Write Your Own Review

Only registered users can write reviews. Please, log in or register