This has an 80mm loudspeaker and an electret microphone. Construction is based around a rigid aluminium extrusion with ABS side panels. The microphone, loudspeaker and associated controls are mounted on a machined top plate.
The LS351 derives power either directly from the 24V DC Tecpro line, or from an optional external 24V PSU. A green LED indicates power is present. Connection to the intercom system is via a pair of 3-pin XLR connectors which allow the LS351 to be 'daisy chained' with other user stations. Dimensions: 245 x 120 x 90 (l x w x h) mm. Weight: 1150g.