Proloop body pack induction loop receiver

Product Highlights

  • Simple to use -- on/off volume control
  • Internal tone control
  • 3.5mm stereo jack
  • 5-year warranty


Simple and convenient to use, this induction loop receiver is designed for use in induction-looped areas by listeners who do not wear T-coil-equipped hearing aids.  Compatible with all IEC60118-4 compliant induction loop systems. 0.2 lbs.

Plr bp1


  • Operates up to 200 hours with two AA alkaline batteries
  • Simple to use -- on/off volume control
  • Internal tone control
  • 3.5mm stereo jack
  • Compatible with Williams Sound 2- and 12-bay chargers (CHG 3502 and CHG 3512).  Chargers sold separately.
  • 5-year warranty


PLR BP1 Architectural and Engineering Specifications

The receiver shall be a body pack style Induction loop receiver.  It shall operate for up to 200 hrs with two AA Alkaline batteries and be housed in a black plastic enclosure. It shall have battery recharge ability utilizing Williams Sound drop-in chargers.
The receiver shall have a 3.5 mm headphone jack, on/off volume control. There shall be a tone control inside the battery compartment.  It shall have a green power LED which will blink when the battery is low.
The receiver shall be covered under a 5 years parts and labor warranty.
The receiver shall be the Williams Sound model PLR BP1.



4.1"H x 2.85"W x 1.38"D (104 mm H x 72 mm W x 35 mm D).


4.6 oz (130 g) with batteries, 2.6 oz (73 g) without batteries.


Black ABS/polycarbonate molded plastic case.

Battery Type:

(2) AA (1.5VDC) Alkaline or NiMH (rechargeable).

Battery Life:

Up to 200 hours with Alkaline batteries.

LED Indicator:

Green LED indicates power on, flashes when batteries are low.

Headphone Jack:

3.5mm stereo TRS jack works with mono or stereo headphones.

Volume control:

External switched thumb wheel controls power on/off and volume level.

Tone control:

Rotary control inside battery compartment (1kHz reference at 400mA/m input with Tone at mid position)

Induction Coil:

Maximum reception: receiver oriented vertically

Power Output:

35mW (max) into 33 ohms mono impedance



Frequency Response:

300Hz to 10KHz, -6dB



Download/View Name Type Language
PLR BP1 Sell Sheet Sell Sheets English
PLR BP1 Quick Setup Guide Manuals English
PLR BP1 Specifications Specifications English


Name Description Duration
Williams Sound: Loop

Williams Sound Induction Loop Systems