- Connect an external warning light compatible with mains voltage for enhanced visibility and safety. - Supports MP3 and WAV audio formats with a sampling rate up to 48KHz for superior sound quality. Easily replace audio files via USB data cable with 64Mbit (8MByte) built-in flash memory. - Versatile power supply option: works with a wide voltage range of 9-24V. Includes a 9-way one-to-one trigger interface, allowing you to trigger up to 9 audio tracks using both high-level and low-level trigger versions. - Equipped with a 60W Class D power amplifier, capable of directly powering speakers with 4-8Ω impedance and power ratings between 20-60W, ensuring robust audio output. Use Scenarios: 1. Ideal for installations in emergency vehicles where an external warning light and audible alerts are essential for safety. 2. Perfect for presentations or events requiring clear audio playback, with easy file management through USB connection. 3. Suitable for home audio systems needing a reliable amplifier that can handle multiple sound triggers in different scenarios.