The Werma 645.860.55 is a high-performance programmable voice output module designed for integration into Werma KombiSIGN 71 and 72 signal towers. Operating at 24 VDC, this module enables playback of custom audio messages, tones, or melodies stored in digital format (WAV/MP3), offering a personalized and flexible signaling solution. Capable of reaching sound pressure levels up to 102 dB (A) at 1 meter, it ensures that alerts are clearly heard even in loud industrial environments. Volume control is conveniently adjustable from 15% to 100% via an external potentiometer, allowing precise adaptation to the acoustic conditions of the site. Housed in a rugged black PC/ABS enclosure with IP65 protection, it is well-suited for harsh or outdoor industrial conditions. This module is ideal for conveying detailed messages such as machine status, safety instructions, or multilingual announcements in manufacturing, logistics, or automated systems. Key Features: • Programmable audio playback (WAV/MP3 format) • Up to 102 dB (A) sound output at 1 meter • 24 VDC power supply – compatible with low-voltage control systems • Volume adjustable from 15% to 100% via external control • IP65-rated black housing – ideal for harsh environments • Compatible with KombiSIGN 71 and 72 towers • Supports multilingual instructions, custom alerts, or tone/melody playback