Williams AV PPA R37 HD Select FM Receiver with Alkaline Batteries and Headphones

Optimize communication and accessibility in security, surveillance and live-event environments with the Williams AV PPA R37 HD Select FM receiver. This professional assistive listening device puts crystal-clear audio and dependable monitoring at your fingertips, ideal for guided tours, courtroom proceedings, corporate trainings and safety briefings. The digitally synthesized receiver offers access to 17 pre-set wideband frequencies across the 72–76 MHz band, making channel selection fast and stable while reducing interference. Lightweight and impact-resistant, the PPA R37 HD runs up to 50 hours on two included AA alkaline batteries, minimizing interruptions during extended operations. Channel-lock and battery-saving sleep mode protect settings and prolong runtime, and the universal 3.5mm jack supports headphones, earphones or neckloop/telecoil setups for hearing-aid compatibility. Built to integrate with Williams AV Personal PA transmitters, this receiver is a practical choice for integrators, security teams and AV professionals who need dependable assistive listening and monitoring tools. Enhance clarity for your audience and improve on-site communication—add the PPA R37 HD to your equipment roster today.

• Delivers clear, reliable audio so listeners stay engaged in meetings, tours and security briefings
• Up to 50 hours of operation on two AA alkaline batteries for long events and minimal downtime
• Easy seek-button tuning across 17 pre-set wideband frequencies (72–76 MHz) for fast channel matching
• Channel-lock and sleep mode prevent accidental changes and extend battery life in surveillance or monitoring applications
• 3.5mm stereo/mono jack with neckloop/telecoil compatibility for hearing-aid users and flexible headphone options