
What Classroom Audio Really Costs Over Ten Years
Purchase price is the smallest part of a classroom audio budget. Batteries, charging, support visits, spares and teacher time dominate the ten-year cost — and they are decided by specification choices made before the first order.

Guide
Infrared Sensor Coverage: Diagnosing Dropouts, Dead Zones and Sunlight Interference
Most infrared classroom audio faults are coverage problems, not electronics. A troubleshooting guide for sensor height and angle, microphone emission patterns, body blocking and the late-afternoon dropout that sunlight causes.

Guide
Pendant, Headworn or Handheld: Choosing the Right Classroom Microphone
The microphone format decides how often the system is used and how much gain the room can support. A comparison of pendant, headworn, handheld and bodypack formats on distance, feedback margin, daily handling and charging.

