Williams Sound PPA R37-8N 8-Channel 72 MHz FM Receiver

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Williams Sound SKU: PPA R37-8N
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Sale price$179.00 Regular price$200.00


The Williams Sound PPA R37-8 8-Channel 72 MHz FM Receiver is a compact and easy-to-use bodypack receiver that allows you to wirelessly listen to a speaker's voice broadcast in the 72 to 76 MHz bandwidth, via a PPA T45, PPA T46, or PPA T27 transmitter. The rotary knob enables you to quickly select one of eight pre-set frequencies, which are digitally synthesized for audio clarity and stable wireless reception. Ideal for use in schools, houses of worship, auditoriums, theaters, and more, the receiver features a 3.5mm headphone jack compatible with mono/stereo headphones and earphones, as well as induction neckloops and telecoil-equipped hearing aids.

The PPA R37-8 operates up to 50 hours on two AA alkaline batteries or 32 hours on two rechargeable AA NiMH batteries (batteries available separately). It features a battery-saving sleep mode and a green LED that indicates the battery level and system status. The receiver ships with an earbud-type earphone and a detachable belt clip for hands-free operation.

  • Bodypack style wireless receiver compatible with PPA T45, PPA T46, and PPA T27 transmitters
  • Ideal for assisted listening applications in schools, houses of worship, auditoriums, theaters, and more
  • Compact and easy-to-use design
  • Digitally synthesized signal for audio clarity and stable wireless reception
  • Stereo headphone jack is compatible with mono and stereo headphones and earphones, and supports induction neckloops and telecoil-equipped hearing aids
  • Rotary knob to easily choose between eight pre-set, wide-band frequencies in the 72 to 76 MHz bandwidth
  • Combination volume control and power on/off rotary dial
  • Operates 50 hours on two AA alkaline batteries or 32 hours on two rechargeable AA NiMH batteries (batteries available separately)
  • Battery-saving sleep mode
  • Low-battery LED indicator
  • Black, PC/ABS impact-resistant plastic with a hinged battery door
  • Includes earbud-type earphone with foam cushion
  • Includes detachable belt-clip for hands-free operation

Williams Sound PPA R37-8N Specs

Compatibility PPA T45, PPA T46, and PPA T27 transmitters
Channels 8, accessed via rotary knob on top of unit
Operating Frequencies 72.1, 72.3, 72.6, 72.8, 74.7, 75.4, 75.7, 75.9 MHz
Frequency Response 200 Hz to 15 kHz
Signal to Noise Ratio 65 dB min at 100 uV
Input Overload 100 mV
Sensitivity 2 µV at 12 dB Sinad with squelch defeated
LED Indicator Power: Green
Low Battery: Flashes green
Sleep Mode: Fade-on, fade-off
De-Emphasis 75 µS
Modulation FM, ± 75 kHz peak deviation
Antenna Integrated with earphone cord
Audio Output 35 mW maximum, peak into 16 Ohms
Output Connector 1/8" / 3.5 mm stereo/mono phone jack
Sleep Mode Enters sleep mode after approximately 6 minutes of no RF signal
Returns to normal operation when a transmitter is re-established on same channel
Battery Type 2 x AA Alkaline
2 x AA NiMH
Battery Life (approx.) 2 x AA alkaline batteries, 50 hours (approximately)
2 x AA rechargeable NiMH batteries, 1500 mAh, 32 hours (approximately)
Current Consumption 42 mA nominal
Color Black
Construction Material PC/ABS impact-resistant plastic
Temperature Range 32 to 122°F / 0 to 50°C
Approvals FCC, Industry Canada, RoHS, WEEE
Dimensions 4.09 x 2.83 x 1.38" / 104.00 x 72.00 x 35.00 mm
Weight 4.6 oz / 130.0 g, with batteries
2.6 oz / 73.0 g, without batteries
Packaging Info
Package Weight 0.2 lb
Box Dimensions (LxWxH) 4.8 x 2 x 0.4"

At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.

  • Most in-stock orders placed Monday-Friday before 1PM PST ship the same day. Orders placed after 1PM will ship the next day of business. General restrictions apply; please see our full shipping policy here.
  • We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.

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