Optional module with security paging relay and program input for F2 and F2DC series amplifiers. Surety paging relay: 8A / 240VAC. Feeding: Via DA-4PM/0F2. Consumption (maximum): 75mA. Audio inputs: 1 Program input, via RJ45 connector. Sensitivity: 0dB (775 mV RMS). Controls: Music program volume potentiometer.