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Strobes are available in ceiling-mount or wall-mount varieties to meet a wide variety of applications. They are ideal for warning hearing-impaired individuals during an emergency event. To expand the versatility of strobes, colored lenses are sold separately as accessories.


By using System Sensor AV Accessories, devices can adapt to nearly any application with the appropriate accessory. Our mounting options allow our strobes, speakers, horns, chimes, and strobe combinations to be placed in new and existing construction with professional results. Note: Separate accessories are available for SpectrAlert Advance and L-Series devices to provide high-quality aesthetics.


Meet Emergency Communication Systems (ECS) and Mass Notification Systems (MNS) requirements using your existing fire system and System Sensor audible visible devices. System Sensor emergency communications devices can greatly simplify the design, installation and maintenance of your ECS or MNS installation, so you can save time and money while meeting NFPA and DOD requirements.


System Sensor horns, strobes and horn/strobes provide application flexibility for multiple installations. Intended for full building notification, horns and horn/strobes produce a loud sound to notify occupants to evacuate the buildings. Strobes and horn/strobes are ideal for warning hearing-impaired individuals during an emergency event. Installers can easily adapt devices to suit a wide range of application requirements by using field-selectable sound patterns and volume settings.


System Sensor selectable-output chimes and chime/strobes are rich with features guaranteed to cut installation times and maximize profits with lower current draw and modern aesthetics. 


System Sensor provides a full line of wall and ceiling mount devices for outdoor applications. These outdoor devices are designed to withstand harsher outdoor environments and include all the same time and money-saving features as the rest of the System Sensor line, including field-selectable candela settings, plug-in designs, rotary code switches and universal mounting plates. Model numbers with a “K” suffix are outdoor-rated and have a NEMA 4X rating.

speaker strobes

System Sensor speakers transmit the clear, intelligible messages necessary to meet code, save lives, and protect property. Choose from a variety of options to meet your application and installation needs including a plug-in design that speeds installation and virtually eliminates costly ground faults and text accessories that easily convert devices to a wide range of applications to simplify inventory and installation.

Electronic bells

System Sensor alarm bells deliver high sound pressure output for fire signaling needs. Models are available for 120VAC and 24VDC operating voltages and are offered in 6, 8, and 10-inch sizes.

low frequency sounder | strobe

System Sensor low Frequency Sounders and Sounder Strobes meet the NFPA 72®2010/2013 low frequency requirements effective January 1, 2014 for all commercial and certain residential sleeping spaces. Studies driving these requirements have shown that a lower frequency is more effective at waking individuals in a fire event, including those with mild to severe hearing loss.