SAPPHIRE 2M-12-4 Description The Sapphire loudspeaker and light signaling system is designed to equip emergency vehicles of the Ministry of Internal Affairs, the Ministry of Emergency Situations, the Ministry of Defense of Russia, the Ministry of Health of Russia and other ministries and departments. The Sapphire loudspeaker and light signaling system is certified for compliance with the requirements of the Technical Regulations of the Customs Union TR CU 018/2011 "On the Safety of Wheeled Vehicles", approved. The power unit is built into the light and acoustic unit (LAU), which saves space in the vehicle interior for installing other equipment, and also facilitates the installation of the product. A wide silumin horn provides high sound pressure. The operating modes of the SAU are controlled from a microphone. Frame made of aluminum profile. Casing made of polished stainless steel. Shades made of impact-resistant