The PS- x25T/TU/LT can be ordered with two types of metal enclosures, with built-in speaker module and different AC mains transformer components to meet international standard requirements.

The ExpansE system utilizes an embedded web based management and supervision application, which controls up to 2048 Main Units (MUs) (EXP-1032 ExpansE Networked Controller), by creating a Master/Slave configuration of all available MUs within the network, each with their associated secondary units, referred to as End Units (EUs).