Williams Sound

Williams Sound PPA R37-20 FM Receiver 20-Pack Bundle

Enhance Accessibility with Clear and Reliable AudioThe Williams Sound PPA R37-20 PPA Select FM Receiver Bundle offers a comprehensive solution for assistive listening. Designed to work with various Williams Sound transmitters, this 20-pack receiver bundle ensures clear and stable audio for all us...

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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

Enhance Accessibility with Clear and Reliable Audio

The Williams Sound PPA R37-20 PPA Select FM Receiver Bundle offers a comprehensive solution for assistive listening. Designed to work with various Williams Sound transmitters, this 20-pack receiver bundle ensures clear and stable audio for all users.

Bundle Includes:

  • 20 x PPA R37N Receiver
  • 20 x BAT 001-2 AA Alkaline Batteries
  • 20 x EAR 022 Surround Earphones

Receiver Specifications:

  • Compatibility: Fits PPA T46, PPA T45, PPA T45NET, and PPA T27 transmitters
  • Frequencies: Seek-button access to all 17 wideband frequencies in the 72-76 MHz bandwidth
  • Features: Channel-lock capability, Battery-saving sleep mode, Low-battery indicator, Field tunable
  • Dimensions: 4.1" x 2.85" x 1.38"
  • Weight: 4.6oz (130g) w/batteries, 2.6oz (73g) w/o batteries
  • Battery Type: 2 x AA Alkaline or 2 x AA NiMH
  • Current Consumption: 52mA nominal
  • Temperature Range: 0 to 50°C
  • Sensitivity: 2 µV at 12 dB Sinad with squelch defeated
  • Audio Output: 35 mW max, peak into 16 ohms

Key Features:

  • Digitally synthesized for greater audio clarity and stability
  • Versatile 3.5mm stereo/mono jack for various earphone and headphone options
  • Neckloop/telecoil-equipped-hearing-aid compatible
  • Auto Shut-off: Enters sleep mode after approximately 6 minutes of no RF signal

Key Features

Fits PPA T46, PPA T45, PPA T45NET and PPA T27 transmitters

Seek-button access to all 17 wideband frequencies in the 72-76 MHz bandwidth

Channel-lock capability, Battery-saving sleep mode

Low-battery indicator, Field tunable

Includes: (20) PPA R37N Receiver, (20) BAT 001-2 AA Alkaline Batteries and (20) EAR 022 Surround Earphones

Specifications

Product Type
FM Receiver
Quantity
20-Pack
Frequency Bandwidth
72-76 MHz
Number of Frequencies
17
Transmitter Compatibility
PPA T46, PPA T45, PPA T45NET, PPA T27
Features
Seek-button access, Channel-lock capability, Battery-saving sleep mode, Low-battery indicator, Field tunable
Included Batteries
(20) BAT 001-2 AA Alkaline Batteries
Included Earphones
(20) EAR 022 Surround Earphones

Pros & Cons

👍 Pros

  • Includes 20 PPA R37N Receivers, making it ideal for large-group listening applications such as tours or conferences.
  • Features a seek-button for easy access to all 17 wideband frequencies (72-76 MHz), simplifying channel selection.
  • Offers channel-lock capability, preventing accidental changes to the selected frequency during use.
  • Equipped with a battery-saving sleep mode, extending operational time between battery replacements.
  • Provides a low-battery indicator, giving users advance warning to swap out batteries and avoid interruption.

👎 Cons

  • The receivers operate within the 72-76 MHz bandwidth, which may be susceptible to interference in some regions or environments.
  • Specific details regarding the audio quality or range of the FM signal are not provided.
  • The bundle includes 20 AA Alkaline Batteries, which are disposable and will require regular replacement, potentially incurring ongoing costs.
  • The EAR 022 Surround Earphones, while included, may not offer the best comfort or audio fidelity for all users.
  • Compatibility is limited to specific Williams Sound transmitters (PPA T46, PPA T45, PPA T45NET, PPA T27), not universal.

Frequently Asked Questions

This Williams Sound bundle includes a total of 20 PPA R37-20 FM Receivers, suitable for group listening applications.
These receivers operate within the 72-76 MHz bandwidth, offering access to 17 wideband frequencies.
Yes, the receivers feature seek-button access to all 17 wideband frequencies, allowing for simple channel selection.
The receivers are equipped with a battery-saving sleep mode and a low-battery indicator to help manage power consumption and notify users.
Yes, they fit Williams Sound PPA T46, PPA T45, PPA T45NET, and PPA T27 transmitters, ensuring broad compatibility within the brand.
The bundle includes 20 EAR 022 Surround Earphones, paired with each receiver for immediate use.
Yes, the receivers have a channel-lock capability, which helps to prevent unintended frequency changes once a channel is selected.