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Williams Sound FM 558-12 FM+ Assistive Listening with 12 Receivers


$3,460.00

Williams Sound FM 558-12FM+ Assistive Listening with 12 Receivers

 

Part of the FM+ Assistive Listening Systems lineup from Williams Sound, the FM 558 is a large-area Dual FM and Wi-Fi® assistive listening system that includes (12) FM R38 receivers.

FM+ from Williams Sound

This groundbreaking tech provides an industry-first choice of employing traditional FM receivers or using personal electronic devices over Wi-Fi for hearing assistance. Along with this versatility comes exceptional audio quality, as FM+ is assembled on a professional digital audio (DSP) platform. This technology is designed to support those who want to use their own smartphones and headphones for a more discreet assistive listening experience. Simplicity and flexibility is also available for those who prefer a more traditional assistive listening system with a dedicated FM receiver and headset. Now, venues will no longer need to choose between providing FM or Wi-Fi assistive listening systems. FM+ supports the iOS and Android WaveCAST Apps as well as the Wi-Fi Receiver– in addition to all of the current and legacy Williams Sound FM receivers that operate on the 72-76 MHz bandwidth.

Applications

Assistive Listening • Interpretation • Audio Description • Presentation • Education/Training

FM 558-12 System Includes

  • (1) FM T55 transmitter
  • (12) PPA R38N receivers
  • (12) EAR 022 surround earphones
  • (2) NKL 001 neckloops
  • (1) IDP 008 ADA wall plaque

System Features

  • Professional audio inputs: ¼”/XLR, phantom power, line level output jack
  • Audio presets — hearing assistance, music, voice and custom
  • 16-bit DAC provides 48 kHz sample rate
  • 10-segment LED bar graph

EAR 022

Style Around-ear speaker
Plug 3.5mm mono
Cord 39″
Driver Size 23 mm
Nominal Impedance 32Ω
Freq. Response 20 – 20kHz
Weight 15g
Max Power Input 30 mW
Sensitivity 118 dB @ 1kHz

 

IDP 008

10-3/8″ (L) x 6-¼” (W) x 1/8″ (H)

PPA R38N architectural and engineering specifications

The 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 jack to accommodate stereo or mono low impedance earphones, headphones and neckloops. The receiver shall have a power button that is backlit indicating power is on. The receiver shall receive 17 preset wideband channels between 72-76MHz. Channel selection shall be made in the menu. 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 recevier shall operate up to 50 hours with two disposable AA Alkaline batteries (BAT 001-2) and up to 32 hours with two AA NiMH rechargeable batteries (BAT 026-2).

The receiver shall provide a maximum output of 35mW at 16Ω 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 receiver shall accept up to ±75kHz FM deviation and have a 75 µS de-emphasis time constant.

The receiver 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, 90 Days on most accessories.

This receiver model shall be the Williams Sound model PPA R38N.

PPA R38N

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/Silver. Black ABS Plastic case with Aluminum faceplate.

Battery Type:

(2) AA Alkaline or (2) AA NiMH Rechargeable

Battery Life:

(2) AA non-rechargeable alkaline batteries (BAT 001-2), approx. 50 hrs.
(2) AA rechargeable NiMH batteries (BAT 026-2), 1500mAh, approx. 32 hrs.

Current Consumption:

52mA nominal

Operating Temp. Range:

32° – 122°F (0° to 50°C)

Channels:

17 Wideband, accessed via menu

Operating Frequencies:

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*

FM Deviation:

75 kHz

De-Emphasis:

75 µS

Display Screen:

1″ OLED

Power Indication:

Power button, backlit green.

Good battery strength – glows solid. Low battery – flashes.

Sensitivity:

2 µV at 12 dB Sinad with squelch defeated

Input Overload:

100 mV

Frequency Response:

200 Hz – 15 kHz, ±3dB

Modulation:

FM, +/- 75 kHz peak deviation

Signal-to-Noise Ratio:

Minimum 65 dB @ 1.0V

Receive Antenna:

Integral with earphone/headphone cord

Audio Output:

35 mW max at 16 Ω

Headphone Connector:

3.5 mm stereo jack, mono output for stereo or mono earphones/headphones

Supplied Earphone:

Stereo,earbud-type with foam cushion, 3.5 mm plug, 32 Ω

Power Save Mode:

Enters sleep mode after approximately 3 minutes of no RF signal

Approvals:

FCC, Industry Canada, RoHS, WEEE

Warranty:

Lifetime PLUS Limited Warranty, 90 Days on most accessories.

 

Warranty

2 Years

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