SIGTRONICS SAS-440 

Sigtronics SAS-440	Product Code: PN-787 Price: Check Latest The SAS-440 Intercom Series reduces squelch adjustment to the push of a button, offering an increased level of safety and convenience to the pilot. No more setting the squelch, one touch of the squelch button and the intercom sets itself to work perfectly in the quietest or noisiest of aircraft.