RSG RMS-1T Either this is an early generation RSG T-Bar or some unique variant of the more common RSG RJRMS-1T-KL. Brand RSG
System Sensor PA400B+PS24LO Category : System SensorThe horn’s model is PA400B, the strobe’s model is PS24LO.
System Sensor SP1W2475ADA Category : System SensorThe strobe portion can detach from the speaker body.