Williams AV IRC‑360 Quantum II Active Column Speaker with Dual IR Mic Receivers, 30W Class‑D Amplifier

The Williams AV IRC360 is an infrared (IR) assistive listening product, transmitting audio as modulated infrared light rather than radio waves. Because IR light can't pass through walls, these systems keep audio confidential room-to-room and are immune to RF interference, which is why they're the standard choice for courtrooms, legislative chambers, and other venues where audio privacy is required. Typical installations include courtrooms, legislative chambers, theaters, and classrooms needing ADA-compliant, interference-free listening.