The FM R38 Receiver 20-Pack Bundle is designed for venues that already operate an FM listening or intercom system and need a ready supply of professional-grade receivers. It provides everything required to distribute clear audio to multiple users without additional setup or accessories.
This bundle includes 20 PPA R38 receivers, earphones, and batteries, making it a practical choice for schools, churches, conferences, and event spaces managing shared listening devices.
$4,405.00
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The Williams AV FM R38 Receiver is built for environments where reliability, visibility, and ease of use matter.
Each receiver features an integrated OLED screen that displays channel, battery status, and signal information, allowing staff to confirm operation at a glance before distribution.
The receivers support all 17 wideband FM frequencies between 72 and 76 MHz, making them compatible with most FM transmitters used for assistive listening and audio distribution. Channel selection is handled directly on the device, and a channel-lock function prevents accidental changes during use.
Designed for long sessions, the R38 includes an automatic sleep mode to conserve power and a low-battery indicator to reduce unexpected dropouts. This bundle ships with earphones and alkaline batteries, ensuring immediate usability out of the box.
The FM R38 Receiver 20-Pack Bundle is a receiver-only solution intended to expand or refresh an existing FM audio setup.
Included in this system:
Performance highlights:
The FM R38 Receiver 20-Pack Bundle helps organizations scale listening capacity quickly while maintaining control, consistency, and ease of operation across all devices.
Alkaline, 1.5 Volt
| 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 |
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 receiver 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 system’s 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.
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Dimensions: |
4.1″ x 2.85″ x 1.38″ (104 x 72 x 35mm) |
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Weight: |
4.6oz (130g) with batteries. 2.6oz (73g) without batteries |
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Color: |
Black/Silver. Black ABS Plastic case with Aluminum faceplate. |
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Battery Type: |
(2) AA Alkaline or (2) AA NiMH Rechargeable |
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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. | |
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Current Consumption: |
52mA nominal |
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Operating Temp. Range: |
32° – 122°F (0° to 50°C) |
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Channels: |
17 Wideband, accessed via menu |
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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* |
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FM Deviation: |
75 kHz |
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De-Emphasis: |
75 µS |
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Display Screen: |
1″ OLED |
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Power Indication: |
Power button, backlit green. Good battery strength – glows solid. Low battery – flashes. |
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Sensitivity: |
2 µV at 12 dB Sinad with squelch defeated |
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Input Overload: |
100 mV |
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Frequency Response: |
200 Hz – 15 kHz, ±3dB |
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Modulation: |
FM, +/- 75 kHz peak deviation |
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Signal-to-Noise Ratio: |
Minimum 65 dB @ 1.0V |
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Receive Antenna: |
Integral with earphone/headphone cord |
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Audio Output: |
35 mW max at 16 Ω |
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Headphone Connector: |
3.5 mm stereo jack, mono output for stereo or mono earphones/headphones |
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Supplied Earphone: |
Stereo,earbud-type with foam cushion, 3.5 mm plug, 32 Ω |
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Power Save Mode: |
Enters sleep mode after approximately 3 minutes of no RF signal |
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Approvals: |
FCC, Industry Canada, RoHS, WEEE |
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Warranty: |
Lifetime PLUS Limited Warranty, 90 Days on most accessories. |
PPA R37-20
Lifetime PLUS Limited
Williams Sound | Assistive Listening Systems
$8,085.00
Williams Sound | Intercom Systems
$335.00
$370.00
Williams Sound | Assistive Listening Systems
$1,445.00
No. This bundle includes receivers only. A compatible PPA FM transmitter is required for operation. It’s designed to expand or replace receivers in an existing PPA assistive listening system.
R38 receivers are compatible with Williams AV PPA FM transmitters operating in the 72–76 MHz band, including models like the PPA T55, T27, and other wideband FM transmitters.
This bundle is ideal for venues that already have a PPA FM transmitter installed and need additional receivers for larger audiences, replacement stock, or backup inventory.
Yes. R38 receivers can be used alongside other PPA FM receivers as long as they’re tuned to the same frequency. This is common in venues with mixed receiver fleets.
The R38 includes an OLED screen that displays channel, battery, and signal status. This makes it easier for staff to verify proper operation compared to receivers with no visual feedback.
Yes. The bundle includes alkaline batteries and earphones for each receiver. Once powered on and tuned to the correct frequency, they’re immediately usable with a compatible PPA transmitter.
Absolutely. Many venues use R38 receiver bundles for conferences, seasonal programs, or rentals because they’re portable, require no programming, and can be deployed quickly.
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