Description

Williams Sound PPA R37-20FM Assistive Listening System with 20 Receivers, 20 Earphones

The Williams Sounds PPA R37-20 is a 20-pack FM receiver bundle. The PPA Select FM receiver features easy-to-use, seek-button channel selection with access to 17 pre-set wideband frequencies between 72-76 MHz. Compatible with Williams Sound 72-76 MHz transmitters: PPA T46, PPA T45, PPA T45NET, PPA T27. Digitally synthesized for even greater audio clarity and stability. A versatile 3.5mm stereo/mono jack allows for a variety of earphone and headphone options, and is neckloop/telecoil-equipped-hearing-aid compatible.

Williams Sound 20-pack FM Receiver Bundle Includes:

• (20) PPA R37N Receivers
• (20) BAT 001-2 AA Alkaline Batteries
• (20) EAR 022 Surround Earphones

Williams Sound 20-pack FM Receiver Bundle Features:

• Seek-button access to all 17 wideband frequencies inthe 72-76 MHz bandwidth
• Channel-lock capability
• Battery-saving sleep mode
• Low-battery indicator
• Field tunable

Williams Sound 20-pack FM Receiver Bundle Specifications:

• BAT 001-2: Alkaline, 1.2 Volt
• EAR 022 Surround Earphones:
  • Style: Around-ear speaker
  • Plug: 3.5mm mono
  • Cord: 39”
  • Driver Size: 23 mm
  • Nominal Impedance: 32 Ohms
  • Frequency Response: 20 – 20 kHz
  • Weight: 15g
  • Max Power Input: 30 mW
  • Sensitivity: 118 dB @ 1 kHz
• PPA R37 Receivers:
  • 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) AA NiMH
  • Battery Life:
    • (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: 52 mA nominal
  • Temperature Range: – 0 to 50 C
  • Channels: 17, accessed via seek button in battery compartment
  • Intermediate Freq.: 75 kHz
  • FM Deviation: 75 kHz
  • LED Indicator:
    • Power: Green
    • Low Battery: Flashes Green
  • AFC Range: +/- 120 kHz
  • Input Overload: 100 mV
  • Frequency Response: 200 – 15 kHz
  • 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 Ohms
  • Auto Shut-off: Enters sleep mode after approx 6 mins of no RFsignal