Assistive Listening Systems FM Products & Accessories FM Systems Shop By Brand Williams AV Williams Sound

Portable ADA Assistive Listening Kit – Rechargeable Battery

SKU: FM ADA KIT 37 RCH

The Portable ADA Assistive Listening Kit – Rechargeable Battery is a cost-effective FM personal listening system designed to meet ADA requirements. It offers a plug-and-play solution for up to 100 people in venues like schools and churches.

$2,155.00

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The Portable ADA Assistive Listening Kit – Rechargeable Battery provides a comprehensive and economical FM personal listening system that meets Americans with Disabilities Act (ADA) requirements for assistive listening. This portable kit is perfect for venues accommodating up to 100 people, including schools, churches, and conferences, and it features rechargeable batteries for convenience.

This user-friendly FM system operates on 72-76 MHz, utilizing one of 17 selectable channels, making it suitable for multiple-room facilities. Ideal for classrooms, houses of worship, theaters, and conferences, the kit includes everything necessary for a seamless setup.

Packaged in a durable carry case, the kit features a PPA T46 FM transmitter, four PPA R37N FM receivers with rechargeable batteries, a charger kit, headphones, neckloops, microphones, and an ADA wall plaque. The system boasts a 150-foot operating range and provides an impressive 100 hours of receiver battery life. It also comes with a Lifetime PLUS Limited Warranty, covering 90 days on accessories. Please note that this equipment is FCC-approved for operation in U.S. markets; however, users should verify local regulations regarding 72-76 MHz operation. This product is proudly made in the USA.

Dimensions:	4-7/8″L x 3-7/8″”W x 2″H (12.4 cm L x 9.8 cm W x 5.1 cm)
Shipping Weight:	1.1 lbs (0.5 kg)
Enclosure:	Black, ABS plastic
Charger Power:	Input: 6 VDC, 300mA, Center Positive. Output: 100mA per bay.
Power Supply:	Williams AV TFP 041 (US) Input: 100-240 VAC, 50-60Hz, 0.5-0.3 A Output: 6 VDC, 1.5 A.
Charging Time:	16 hours nominal *
Unit Capacity:	2 Units
Indicators:	2 Red LEDs – one for each bay. LEDs are lit when charging.
Approvals:	CE, FCC, RoHS

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

10-3/8″ (L) x 6-¼” (W) x 1/8″ (H)

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

NKL 001

Color:	Black
Weight:	1.5 oz
Length:	18.5” cord
Connector:	NKL 001: 3.5 mm mono plug NKL 001-S: 3.5 mm stereo plug with ring disconnected
Impedance:	8-16 Ohms
Input Power:	500 mW max
Magnetic Field Strength:	25 mW input at 1000 Hz produces 1.7 A/m 6” above the center of loop 85μW input produces 0.1 A/m (IEC Standard)
Approvals:	RoHS, WEEE
Warranty:	One Year

PPA R37 architectural and engineering specifications

The PPA R37 receiver shall be encased in black, PC/ABS impact-resistant plastic with a hinged battery door. The receiver shall be a body-pack style and include a detachable belt-clip for hands-free operation. The receiver shall have a 3.5mm stereo/mono jack to accommodate stereo or mono low impedance earphones, headphones and neckloops. The receiver shall have a combination volume control with power on/off rotator dial. It shall have a green LED indicating battery and system status codes. The R37 shall have access to 17 preset wideband channels between 72-76MHz. Channel selection shall be made by pushing the seek button inside the battery compartment. The receiver shall have channel-lock capability.
The receiver shall have a slide switch inside the battery compartment to select disposable Alkaline or NiMH rechargeable battery operation. It shall have charger contacts on the bottom of the receiver for use with Williams Sound drop-in chargers CHG 3512 and CHG 3502. The R37 shall operate up to 50 hours with two disposable AA Alkaline batteries and up to 32 hours with two AA NiMH rechargeable batteries (BAT 026).
The receiver shall provide a maximum out of 35mW at 16ø with an earbud type earphone. The systems audio frequency response shall be 200Hz to 15kHz ± 3dB and the signal to noise ratio shall be 65dB min. The receiver sensitivity shall be 2μV or better at 12dB Sinad with squelch defeated. The R37 shall accept up to ±75kHz FM deviation and have a 75 μ s de-emphasis time constant.
The R37 shall have FCC, Industry Canada approvals and be compliant with RoHS and WEEE regulations. The receiver shall be covered by a Lifetime PLUS Limited Warranty, excluding earphones, headphones and batteries.
This receiver model shall be the Williams Sound model PPA R37.

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
	(2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 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 architectural and engineering specifications

The transmitter shall be a wide-band body-pack transmitter and shall operate on 17 selectable frequencies between 72MHz and 76MHz. It shall operate for up to 30 hrs with two AA Alkaline batteries and be housed in a black plastic enclosure with an aluminum faceplate. It shall have battery recharge ability utilizing Williams Sound drop-in chargers.
The transmitter shall have a 3.5 mm microphone jack and a 2.5 mm auxiliary audio input jack. The microphone cord will serve as the transmitting antenna. The Transmitter shall have three buttons on the front to access channel select, master and aux gain, compression on/off, channel lock and screen adjustments. There shall be an OLED screen on the front of the Transmitter displaying current operating status and menu information.
The transmitter shall have the ability to operate in dual channel mode whereby the user can switch between two different transmitting channel presets, each with its own set-up parameters (channel, master volume, aux volume).
There shall be a power switch which also serves as a microphone mute control on the top bezel of the transmitter.
The transmitter shall have wide band FM modulation at 75 KHz peak with a frequency response of 180 Hz to 13 KHz.
The transmitter shall be covered under a Limited Lifetime Warranty.
The transmitter shall comply with FCC Part 15.
This transmitter shall be the William AV model PPA T46.

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
Battery Type options:	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)
Range:	150 ft/45 m
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:	Limited Lifetime Warranty (90 days on accessories)

The PPA T46 is FCC Part 15 compliant. Effective July 11, 2016, the FCC has mandated tighter emissions limits on auditory assistance transmitters (72-76 MHz) manufactured or imported after this date to help avoid interference with and/or degradation of other airborne signals (All products manufactured prior to July 11, 2016, are compliant). Williams Sound FM transmitters – PPA T46, PPA T27 and PPA T45 (all models) – all have received a Grant of Certification from the FCC and are fully compliant/approved under this new mandate.

MIC 149

Type	Electret
Size	60mm diameter x 16mm height
Color	Black
Plug	3.5mm mono
Cord	39” (99 cm)
Output Impedance	1500 Ω
Polar Pattern	Omnidirectional
Bias Power Requirement	1.0-10VDC
Sensitivity	-40 dB ± 3 dB
Warranty	90 days

Warranty

Lifetime PLUS Limited

Customized Requests

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Portable ADA Assistive Listening Kit – Rechargeable Battery

HED 027

IDP 008

MIC 090

NKL 001

PPA R37 architectural and engineering specifications

PPA R37

PPA T46 architectural and engineering specifications

PPA T46

MIC 149

Warranty

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