5557 PL NIESSEN 5557 PL Cover plate loudspeaker
5558.2 AN NIESSEN 5558.2 AN Cover plate mono sound unit
5558.2 BL NIESSEN 5558.2 BL Cover plate mono sound unit
5558.2 CV NIESSEN 5558.2 CV Cover plate mono sound unit
5558.2 PL NIESSEN 5558.2 PL Cover plate mono sound unit
5558.3 AN NIESSEN 5558.3 AN Cover plate stereo sound unit
5558.3 BL NIESSEN 5558.3 BL Cover plate stereo sound unit
5558.3 CV NIESSEN 5558.3 CV Cover plate stereo sound unit
5558.3 PL NIESSEN 5558.3 PL Cover plate stereo sound unit
5558.4 AN NIESSEN 5558.4 AN Cover plate intercom./stereo uni...
5558.4 BL NIESSEN 5558.4 BL Cover plate intercom./stereo uni...
5558.4 CV NIESSEN 5558.4 CV Cover plate intercom./stereo uni...
5558.4 PL NIESSEN 5558.4 PL Cover plate intercom./stereo uni...
5558.5 AN NIESSEN 5558.5 AN Cover plate microphone unit
5558.5 BL NIESSEN 5558.5 BL Cover plate microphone unit
5558.5 CV NIESSEN 5558.5 CV Cover plate microphone unit
5558.5 PL NIESSEN 5558.5 PL Cover plate microphone unit
5558.6 AN NIESSEN 5558.6 AN Cover pl. intercom./stereo displ...
5558.6 BL NIESSEN 5558.6 BL Cover pl. intercom./stereo displ...
5558.6 CV NIESSEN 5558.6 CV Cover pl. intercom./stereo displ...
