MP3 playback module with clear, usable audio and simple control Key benefits Ready-to-use MP3 format with beautiful sound — plays standard MP3 files for broad compatibility with existing audio assets. High-resolution output for clearer, more natural playback: 24-bit output; dynamic 90dB ratio; 85dB. Simple integration via two-wire port control — allows triggered playback with minimal wiring and straightforward connection to external switches or control systems. Easy file updates over USB — voice files are installed via USB using dedicated software for quick and convenient direct copying. Supported on XP Series, WIN7, WIN8, WIN10. How it solves common problems Eliminates format conversion headaches by using MP3 files directly, reducing prep time and compatibility issues. Improves intelligibility and perceived audio quality with 24-bit output and wide dynamic range, making announcements and prompts clearer in noisy environments. Minimizes installation time and wiring complexity through two-wire control, useful where space or cable runs are limited. Simplifies content updates: replace or modify voice files on a Windows PC and copy them quickly via the supplied software and USB connection. Key specifications (as provided) Audio format: MP3 format with beautiful sound Output: 24-bit output Dynamic performance: dynamic 90dB ratio Level: 85dB Control: Two-wire port control File transfer: USB voice files need to be installed; software for quick and convenient direct copying must be installed Software compatibility: XP Series, WIN7, WIN8, WIN10 Practical use scenarios Retail and hospitality: Background music or scheduled announcements updated quickly over USB to match daily promotions or store hours. Security and access systems: Triggered voice messages or alarms via the two-wire port control for doors, gates, or alarm panels. Interactive exhibits and kiosks: Play contextual audio prompts or narration when a user triggers an input, with easy content updates from a Windows PC. Installation and operation notes Voice files must be copied to the device via USB using the provided software; ensure the software is installed on a PC running XP Series, WIN7, WIN8, or WIN10 before attempting file transfer. The two-wire port control provides a basic trigger interface; wire according to your control system’s specifications to enable playback triggers. This product is designed for straightforward integration where reliable MP3 playback, clear audio performance, and simple triggered control are required.