LRM-110 door loudspeaker module rectangular punching EB i2Audio stainless steel matt MODESTA. Door loudspeaker module for installation in pillars or suitable for corresponding surface-mounted or flush-mounted frames for external door stations as an intercom system in accordance with DIN EN 50486 in i2BUS technology. Complete device consisting of a 2 mm thick module plate made of matt brushed stainless steel with perforated grille and loudspeaker electronics.