6000/SB - Electronic Sounder Base
90dBA sound output at 1m, 8mA auxiliary 24vdc from local sounder circuit. 4 sounder tone options; constant, pulse, sweep or warble, selectable by a DIL switch on the unit.

6000/ASB2 - FAST™ Addressable Loop Powered Electronic Sounder Base
90dBA sound output at 1m, 5mA loop alarm load. 3 sounder tone options; constant, pulse or warble, selectable by the control panel. A loop short circuit isolator is incorporated.

6000/ASB4 - FAST™ Addressable 4 Wire Electronic Sounder Base
90dBA sound output at 1m, 8mA auxiliary 24vdc from local power supply. 3 sounder tone options; constant, pulse or warble, selectable by the control panel. A loop short circuit isolator is incorporated.

6000/BASES Options