The SpectrAlert Advance HRK-R (replacement model) is a red, 12/24-volt horn for outdoor ceiling or wall installation. Offers mounting plate only - no back box included.
Highly flexible mixer amplifiers are designed for a wide variety of voice and background music applications such as retail shops, restaurants and bars, service centers, houses of worship, warehouseset
The SpectrAlert Advance series offers the most versatile and easy-to-use line of low frequency sounder and low frequency sounder strobes in the industry.