Osmond 24V High Power Voice Broadcast Prompt Module 1-To-1 MP3 Multifunctional Playback Module MP3 Playback Module High and Low Level Trigger C

3. Comes With 60w Class D Power Amplifier, Which Can Directly Drive 4-8Ω, 20-60w Speakers 4. An External Warning Light Can Be Connected, And The Voltage Of The Warning Light Must Be Consistent With The Power Supply Voltage; Features: 1. 9-24V Wide Voltage Power Supply 9-Way One-To-One Trigger Interface, Can Trigger Up To 9 Tracks, High Level Trigger Version, Low Level Trigger Version 2. Supports Mp3 And Wav Decoding Formats, Supports Audio File Sampling Rate Up To 48khz; Can Connect To Computer Via Usb Data Cable To Replace Audio Files, Comes With 64mbit (8mbyte) Flash Storage; 5. Dip Switch To Set 8 Trigger Working Modes; Volume Potentiometer To Adjust Volume; Optocoupler Isolation (High Level Version)