- Modern two-zone call station for the PLE series- Selectable gain- Speech filter and limiter- Output level control- Loop-through option for up to 8 call stationsThe Plena two-zone call station is a modern, high-quality call station with a stable metal base design, a flexible microphone stem and a unidirectional condenser microphone. It can make calls to selectedzones in a public address system built with the PLE series two-zone mixer and mixer amplifiers. In addition to tabletop use, the Plena design allows neat flush-mounting in desktops.