12V car public address system with 20W output and 120 dB sound level. The invehicle PA is built around a powerful main unit to deliver loud, clear announcements that can be heard from a distance. Easy installation Plugandplay wiring that connects to your vehicle in minutes following the included instructions. Wide vehicle compatibility Designed to work with a variety of vehicles, including cars, trucks, ambulances, and other private vehicles, using a 12V automotive electrical system. Key specifications and performance Voltage: 12V Power: 20W Sound output: 120 dB Function: Invehicle public address system for clear voice announcements Compatible use scenarios Fleet or service vehicles: make driver announcements, safety alerts, or instructions to passengers or teams. Emergency or roadside assistance: relay urgent messages quickly to onsite personnel or bystanders. Events and parking areas: provide crowd guidance, directions, or event notices to attendees near parked or moving vehicles. Designed for reliability Works with standard 12V car batteries and electrical systems. Robust main unit supports clear audio output for invehicle communications.