System Sensor B200s iv Intelligent Addressable Sounder Base Ivory for Fire Lite B200S LF WH Intelligent Addressable Sounder Base, Low Notifier B200S LF WH Sounder Base Stock On Fire B200S Intelligent Sounder and LF Sounder Base Honeywell Building Automation. Intelligent, Addressable, Programmable Low Frequency Plug In Sounder Base. High Or Low Volume Output With Ansi Temporal 3 Or Temporal 4, Continuous March Time Or Custom Tone; White. The B200S LF WH and B200S LF IV sounder bases are used with addressable detector heads. Refer to the appropriate manual for more information on sensors. The B200S LF WH B200S LF IV low frequency sounder base generates a low frequency tone around 520 Hz. Studies have shown that low frequency audible devices that operate around 520 Hz are more effective in waking individuals in sleeping areas. The sounder base is capable of producing a variety of tone patterns, including the distinctive three pulse temporal pattern (ANSI Temporal 3) fire alarm signal now required by NFPA 72 for commercial and residential applications. The B200S LF WH B200S LF IV offers maximum flexibility in configuration and operation to meet or exceed the requirements of UL268 and UL464 for Continuous, Temporal 3, and March time patterns. The temporal 4 pattern meets all requirements of UL268 and UL2075, as well as private mode setting of UL 464. Specifications Weight 0. 2 lbs Dimensions 1. 60 6. 85 6. 85 in Condition New Color White Base Type Sounder Series Select Series: Mounting Base Options Brand System Sensor Production Status Active Features Bases enable quick and secure detector plug in SEMS screws provide easy wiring connection Support for 12 24 AWG provides installation flexibility Multiple base formats meet application requirements Standard white color with ivory and black options UL 268 compliant Mechanical locking feature restricts removal of attached sensor head Open Datasheet