Product description

• Can be used to install the 2 wire audio system in new or refurbished systems, where push button panels of other manufacturers are present or required (mail boxes, patterned brass, compact sheet metal units, etc.), preset for a traditional speaker module
• Universal speaker unit includes contacts for the connection of 8 call push buttons
• To make systems with more push buttons (up to 56 using Cat. No. 346050 power supply and up to 24 with Cat. No. 346040 power supply) one or more key expansion modules must be used (1 every 8 push buttons)