TOPAZ 3M-12-4 Description: The Topaz loudspeaker and light signaling system is designed for use in emergency vehicles of the Ministry of Internal Affairs, the Ministry of Emergency Situations, the Ministry of Defense, the Ministry of Health, and other ministries and agencies. The Topaz loudspeaker and light signaling system is certified for compliance with the Technical Regulations of the Customs Union (TR CU 018/2011) "On the Safety of Wheeled Vehicles," approved by the Customs Union. The power unit is integrated into the light and acoustic unit (LAU), saving space in the vehicle for installing other equipment and simplifying installation. The loudspeaker and light signaling system is controlled via a microphone. The frame is made of aluminum profile. The casing is polished stainless steel. The shades are made of impact-resistant polycarbonate with added UV stabilizer.