Williams AV PPA R37-20 FM R37 Receiver Bundle with Alkaline Batteries and Earphones, 20-Pack

Ensure every attendee, visitor or team member hears critical audio clearly with the Williams AV PPA R37-20 — a 20-pack pro assistive listening solution built for venues, tours, and control-room monitoring. This FM R37 receiver bundle provides digitally synthesized audio for exceptional clarity and stability and supports 17 pre-set, wideband frequencies in the 72–76 MHz band, making it compatible with Williams Sound wide-band transmitters. The compact receivers include a 3.5mm stereo/mono jack and neckloop/telecoil support, allowing easy connection to headphones or hearing-aid-compatible neckloops for ADA-compliant hearing assistance. Channel-lock capability and field-tunable settings mean IT and security teams can lock channels during live events to prevent tampering, while sleep mode and low-battery indicators reduce downtime during long presentations or surveillance monitoring. Supplied with alkaline batteries and earphones, this 20-pack is ready for immediate deployment across auditoriums, museums, courtrooms, and security operations centers. Streamline your assistive listening setup — order the Williams AV FM R37 receiver bundle for reliable venue communication and monitoring.

• Delivers clear, stable audio across audiences so staff and visitors hear every announcement without interference
• 17 pre-set wideband channels (72–76 MHz) and channel-lock prevent accidental changes for consistent monitoring in busy venues
• Includes 20 FM R37 receivers plus alkaline batteries and earphones to simplify deployment and reduce setup time
• 3.5mm jack and telecoil/neckloop compatibility support hearing aids and multiple headphone options for ADA-compliant accessibility
• Battery-saving sleep mode and low-battery indicator extend runtime and reduce maintenance for long events and continuous security operations