Williams AV IR RX20 Stethoscope Stereo Infrared Receiver, 2.3/2.8 MHz

Built for precise audio monitoring in security, surveillance, and assistive listening environments, the Williams AV IR RX20 Stethoscope Stereo Infrared Receiver delivers reliable, high-clarity stereo sound in a compact, wearable package. This IR receiver supports dual 2.3 / 2.8 MHz transmission to match common infrared transmitters and minimize channel interference, while a maximum frequency response of 12 kHz preserves vocal detail for accurate monitoring. The internal LiPo battery and lightweight 1.6 oz stethoscope-style design make the IR RX20 comfortable for long shifts and mobile inspections. A standard 3.5mm jack allows easy connection to headphones, earphones or neckloops—ideal for integration with hearing aids or discreet listening setups. Durable, RoHS/WEEE-compliant construction and a 5-year limited warranty ensure long-term reliability for AV technicians, security teams, and tour or court audio systems. Compatible with the CHG 520 charger for quick turnaround between uses. Ideal for security monitoring, guided tours, courtroom support, and surveillance audio capture—add the Williams AV IR RX20 to your toolkit to improve on-site audio clarity and control.

• Delivers clear, focused stereo audio for security, surveillance, and assistive listening so operators hear critical detail
• Dual 2.3 / 2.8 MHz infrared compatibility reduces interference and fits common IR transmitter setups for flexible deployment
• Built-in LiPo battery and ultra-light 1.6 oz design provide all-day comfort and dependable operation in the field
• 3.5mm jack supports headphones, neckloops or earphones for hearing-aid integration and private monitoring
• Compact stethoscope-style form for on-person monitoring with CHG 520 charger compatibility and a 5-year limited warranty