Williams Sound FM 557 Pro Wi-Fi/Dual FM Dante-Enabled Assistive Listening System

BH #WIFM557PROD • MFR #FM 557 PRO D
Williams Sound FM 557 Pro Wi-Fi/Dual FM Dante-Enabled Assistive Listening System
Key Features
  • Complete Assistive Listening System
  • 1 x FM 155 D Transmitter
  • 4 x PPA R37N Receivers
  • 4 x EAR 033 Surround Earphones
The Williams Sound FM 557 Pro bundles together many items to give you a complete Wi-Fi/Dual-FM, Dante-enabled assistive listening system for audio within a large area of space. The system includes one FM 155 D transmitter, four PPA R37N receivers, 4 pairs of EAR 033 surround earphones, two NKL 001 neckloops, two BAT KT6 two-bay chargers with rechargeable batteries, one ANT 005 remote coaxial antenna, an IDP 008 ADA wall plaque, and an RPK 005 rack panel kit.
Special Order
Expected availability: 7-10 business days
$2,320.00
$194/mo. suggested payments
with 12 Mos. Promo Financing* 

Important Notice

  • This item is noncancelable and nonreturnable.
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Williams Sound FM 557 PRO D Overview

  • 1Description
  • 2Williams Sound PPA R37 N Select Channel FM Receiver (No Earphone/Batteries)
  • 3Williams Sound EAR 022 Surround Earphone
  • 4Williams Sound NKL 001 Induction Neckloop for T-Switch Hearing Aids
  • 5Williams Sound CHG 3502 Dual-Bay Battery Charger & 4 AA Rechargeable Batteries for Select Bodypack Transmitters and Receivers (Black)
  • 6Williams Sound ANT005 - Remote Coaxial Antenna for 72-76 MHz PPA Transmitters
  • 7Williams Sound IDP008 - ADA Wall Plaque for Hearing Assistance
  • 8Williams Sound RPK005 - Rack Mount Kit for Half Rack Products

The Williams Sound FM 557 Pro bundles together many items to give you a complete Wi-Fi/Dual-FM, Dante-enabled assistive listening system for audio within a large area of space. The system includes one FM 155 D transmitter, four PPA R37N receivers, 4 pairs of EAR 033 surround earphones, two NKL 001 neckloops, two BAT KT6 two-bay chargers with rechargeable batteries, one ANT 005 remote coaxial antenna, an IDP 008 ADA wall plaque, and an RPK 005 rack panel kit.

Note:
This receiver requires a transmitter operating on a 72-76MHz band. Compatible Williams Sound transmitters: PPA T35, T27, T32, and T36. This receiver is approved by the FCC for operation in US Markets. The receiver cannot be used in all countries. Check with your government's radio regulations for 72-76MHz operation.

You must supply your own earphones/headphones and AA batteries.

Williams Sound PPA R37 N Select Channel FM Receiver (No Earphone/Batteries)

The PPA R37 N Select Channel FM Receiver (No Earphone/Batteries) from Williams Sound is a compact and easy-to-use beltpack receiver that allows you to listen to an FM signal in the 72-76MHz band. The receiver offers seek button channel selection between 17 pre-set frequencies, which are digitally synthesized for terrific audio clarity and signal stability. It also features a channel lock capability to prevent accidental changes.

The receiver has an ergonomic design with a detachable belt clip, allowing you to slip it into your pocket or conveniently clip it to your clothing. The standard-sized 3.5mm headphone jack is compatible with mono and stereo headphones and earphones, and also supports induction neckloops and telecoil-equipped hearing aids. The receiver operates on a pair of standard alkaline AA batteries (sold separately). A sleep mode helps to preserve battery life.

Note:
This receiver requires a transmitter operating on a 72-76MHz band. Compatible Williams Sound transmitters: PPA T35, T27, T32, and T36. This receiver is approved by the FCC for operation in US Markets. The receiver cannot be used in all countries. Check with your government's radio regulations for 72-76MHz operation.

You must supply your own earphones/headphones and AA batteries.
Ideal for assisted listening applications in schools, houses of worship, auditoriums, theaters, and more
Compact and easy-to-use design allows you to listen to an FM signal in the 72-76MHz band
Note:
Transmitter required, sold separately.
The receiver's seek button lets you choose between 17 pre-set frequencies, which are digitally synthesized for terrific audio clarity and signal stability. The channel lock capability prevents accidental changes to channel settings
The ergonomic design and detachable belt clip allow you to slip it into your pocket or conveniently clip it to your clothing
The standard-sized 3.5mm headphone jack is compatible with mono and stereo headphones and earphones, and also supports induction neckloops and telecoil-equipped hearing aids
Operates on a pair of standard alkaline AA batteries (sold separately). A sleep mode helps to preserve battery life

Williams Sound EAR 022 Surround Earphone

The Williams Sound EAR022 is a single-sided, clip-on earphone ideal for use with personal listening devices. The clip is designed to fully surround the ear for maximum stability and comfort. The monaural 1/8" mini-plug is compatible with a wide variety of devices.

  • Hangs on outside of the ear
  • Plug: 1/8" mono
  • Cord: 3.3'
  • Monaural
  • 32 Ohms
  • Recommended for FM receivers and select IR receivers
  • Designed for individuals with mild and low gain hearing loss

Williams Sound NKL 001 Induction Neckloop for T-Switch Hearing Aids

The Williams Sound NKL 001 is an induction neckloop designed to magnetically couple an audio signal to a telephone coil-equipped (T-Switch) hearing aid. The neckloop has a standard 1/8" mini plug that can be connected to any audio device that has an 8-16 Ohm 1/8" output, such as a beltpack receiver, TV, tape player, etc. The neckloop has a slider so you can adjust the tension, and the 18" cord provides a good amount of slack for use with body-worn devices.

  • Integrated safety breakaway device
  • Cord Length: 18"
  • Adult size
  • Connector: 1/8" mono plug
  • Monoaural
  • Impedance: 8 to 16 Ohms
  • Recommended for FM receivers and select IR receivers
  • For individuals with moderate to severe hearing loss

Williams Sound CHG 3502 Dual-Bay Battery Charger & 4 AA Rechargeable Batteries for Select Bodypack Transmitters and Receivers (Black)

The black CHG 3502 Dual-Bay Bodypack Battery Charger from Williams Sound is used for charging select Williams Sound T36, T46, R37 and Motiva bodypack transmitters and receivers. The two-bay charger allows you to simply dock the components and recharge the NiMH batteries inside without removing them. This configuration includes four AA-size NiMH rechargeable batteries.

The charger's plastic chassis features a red LED for each bay that indicates the battery is being charged. Note that you must have NiMH batteries installed and the components must be set to the NiMH setting. It takes 16 hours to fully recharge the batteries, and it's safe to leave the units in the charger even after the batteries have fully charged. 

Compatible with

  • PLR BP1 loop receiver
  • PPA R37 FM receiver
  • PPA R37-8 FM receiver
  • PPA R38 FM receiver
  • PPA T46 FM transmitter
  • WIR RX 22-4 infrared receiver
  • Motiva PFM T36 personal FM transmitter
  • Motiva PFM R36 personal FM receiver
  • Motiva PFM R33 personal FM receiver

Williams Sound ANT005 - Remote Coaxial Antenna for 72-76 MHz PPA Transmitters

The Williams Sound ANT005 is a 22' coaxial antenna designed to be used with any personal PA system or large-area FM transmitter that operates at 72 to 76 MHz. It provides the system with a maximum operating range.

  • For Use with: PPA T45,PPA T45NET, PPA T27 transmitters
  • Connector Type: F-connector
  • Cable Type: RG 59 coax
  • Nominal Impedance: 75 Ohms
  • Total Cable Length: 22'
  • Active Antenna Length: 80"
  • Compatible with optional 50' antenna extension

Williams Sound IDP008 - ADA Wall Plaque for Hearing Assistance

The IDP008 from Williams Sound is a self-adhesive wall plaque that alerts your patrons to the fact that your establishment has a hearing assistance system. Perfect for theaters, auditoriums, and more, the plaque is large and easy-to-see.

Williams Sound RPK005 - Rack Mount Kit for Half Rack Products

The RPK005 from Williams Sound is a rack mounting kit that allows you to mount 1/2 rack space products in a standard audio rack.

Williams Sound PPA R37 N Select Channel FM Receiver (No Earphone/Batteries) Specs

Channels17, Accessed via Seek Button in Battery Compartment
Operating Frequency72.1, 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, 75.9MHz
75kHz Intermediate Frequency
Deviation75kHz
De-Emphasis75µS
RangeAFC Range: ±120kHz
Sensitivity2µV @ 12dB Sinad with Quelch Defeated
Max Input Signal100mV
Frequency Response200Hz - 15kHz
ModulationFM, ±75kHz Peak Deviation
Signal to Noise Ratio65dB Min @ 100µV
Output Level35mW Max, Peak into 16 Ohms
Connectors3.5mm Stereo/Mono Headphone Jack
AntennaUses Earphone/Headphone Cord as Antenna
Battery2 x AA Alkaline or NiMH
Up to 50 Hours Life with Alkaline, Up to 32 Hours with Rechargeable NiMH
Enters Sleep Mode After 6 mins with no RF Signal
Current Consumption52mA, Nominal
IndicatorsGreen Power LED (Flashes for Low Battery)
Temperature Range32 to 122°F (0 to 50°C)
ApprovalsFCC, Industry Canada, RoHS, WEEE
FinishBlack
Dimensions (HxWxD)4.1 x 2.85 x 1.38" (104 x 72 x 35mm)
Weight4.6 oz (130g) (With Batteries)
2.6 oz (73g) (Without Batteries)
Packaging Info
Package Weight0.2 lb
Box Dimensions (LxWxH)4 x 3 x 1"

Williams Sound EAR 022 Surround Earphone Specs

StyleAround-ear speaker
Plug1/8" / 3.5 mm mono
Driver Size0.9" / 23.0 mm
Nominal Impedance32 Ohms
Frequency Response20 Hz to 20 kHz
Power Input30 mW
Sensitivity118 dB @ 1 kHz
Cord Length39.0" / 99.1 cm
Weight0.5 oz / 15.0 g
Packaging Info
Package Weight0.055 lb
Box Dimensions (LxWxH)3.6 x 3.1 x 0.85"

Williams Sound NKL 001 Induction Neckloop for T-Switch Hearing Aids Specs

Magnetic Field Strength25 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)
Input Power500 mW max
Impedance8 to 16 Ohms
Connector1/8" / 3.5 mm mono mini-plug
Cable Length18 / 457 mm
ColorBlack
ApprovalsRoHS, WEEE
Weight1.5 oz / 43 g
Packaging Info
Package Weight0.15 lb
Box Dimensions (LxWxH)5.65 x 4.4 x 1"

Williams Sound CHG 3502 Dual-Bay Battery Charger & 4 AA Rechargeable Batteries for Select Bodypack Transmitters and Receivers (Black) Specs

Compatible WithPLR BP1 Loop receiver
PPA T36 Personal FM Transmitter
PPA T46 Transmitter
PPA R38 Receiver
PPA R35-8 Receiver
PPA R37 Receiver
WIR RX 22-4 Infrared Receiver
Motiva PFM T36 Personal FM Transmitter
Motiva PFM R36 Personal FM Receiver
Motiva PFM R33 Personal FM Receiver
Charging Time16 Hours (Nominal)
Capacity2 Components
Indicators2 x Red LEDs (One for Each Bay); LEDs Are Lit When Charging
EnclosureABS Plastic
Power SupplyInput: 100 to 240 VAC, 50/60 Hz; 6 W, 0.5-0.3 A
Output: 6 VDC, 250 mA
PowerCharger:
Input: 6 VDC, 300 mA, Center Positive
Output: 100 mA per Bay
Batteries4 x NiMH Batteries: 1.2 V, 1500 mAh
Approvals and CertificationsCE, FCC, RoHS
Dimensions (L x W x H)4.9 x 3.9 x 2 / 12.4 cm x 9.8 cm x 5.1 cm
Weight1.12 lb / 0.51 kg
Packaging Info
Package Weight1.5 lb
Box Dimensions (LxWxH)7 x 5.3 x 0.01"

Williams Sound ANT005 - Remote Coaxial Antenna for 72-76 MHz PPA Transmitters Specs

For Use withTransmitters:
PPA T45
PPA T45NET
PPA T27
Connector TypeF-connector
Cable TypeRG 59 coax
Nominal Impedance75 Ohms
Total Cable Length22.0' / 6.7 m
Antenna LengthActive Antenna Length: 80.0" / 203.2 cm
Packaging Info
Package Weight0.83 lb
Box Dimensions (LxWxH)6.35 x 6.2 x 2.3"

Williams Sound IDP008 - ADA Wall Plaque for Hearing Assistance Specs

Dimensions (WxH)6.5 x 10.5" (165 x 266 mm)
Packaging Info
Package Weight0.1 lb
Box Dimensions (LxWxH)7.3 x 4.3 x 0.1"

Williams Sound RPK005 - Rack Mount Kit for Half Rack Products Specs

Packaging Info
Package Weight0.82 lb
Box Dimensions (LxWxH)11.55 x 5.05 x 2.6"
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