Telex RSB-2 Referee Mute SwitchThe Telex RSB 2 Referee Mute Switch is the football standard for referee wireless systems, delivering instant, noiseless muting exactly where officials need it. Engineered for reliability under the toughest stadium conditions, this compact switch sits between the lavalier or headworn microphone and the bodypack transmitter, giving referees precise control over when their microphone is live. In high stakes games, clear communication is essential, and