Williams AV IMA-540 IR Base with Remote Control, 2 Amp

Ensure every participant hears every word — the Williams AV IMA-540 IR Base (2 Amp) professional assistive listening device is built for modern classrooms, boardrooms and hybrid learning environments. As Williams AV's advanced IR audio base, the IMA-540 delivers crystal-clear sound to assistive receivers while supporting two wireless microphones simultaneously, enabling natural presenter-participant interaction. The 2 Amp power supply and remote control make day-to-day operation straightforward for AV managers and IT teams. Built for integration, the IMA-540 offers fire alarm mute and RS-232 control so it ties into building security, surveillance and alarm monitoring systems without extra complexity. Audio quality and reliability are enhanced by Digital Feedback Guard and a teacher security alerting function, while drop-in USB charging and low-power standby reduce maintenance overhead. Ideal for schools, corporate training rooms and ADA-compliant facilities, this pro assistive listening device reduces listener fatigue and improves accessibility. Add the Williams AV IMA-540 to your AV and security setup to boost clarity, safety, and control — contact us to specify or order for your next installation.

• Delivers clear, even audio to every seat for classrooms and conference rooms, improving comprehension and engagement
• Two-channel infrared receiver supports simultaneous use of two wireless microphones for presenter + participant interaction
• 2 Amp power base with remote control simplifies setup and daily operation for AV and facilities teams
• Integrates with fire alarm and RS-232 control for seamless building security and monitoring workflows
• Digital Feedback Guard and teacher security alerting reduce interruptions and enhance presenter safety
• Low-power standby and USB drop-in microphone charging lower maintenance and ensure devices are ready when needed