The Bosch LBB1956/00 is a six-zone call station for the PLENA Voice Alarm System. It lets operators make live announcements to selected zones or page all zones at once. Optional LBB1957/00 keypads add selection buttons for more zones or zone groups

The Bosch LBB1957/00 is a PLENA Voice Alarm Keypad that adds seven illuminated zone or zone-group selection keys to the LBB1956/00 Call Station. Connect up to eight keypads per call station for installations that need more paging selections.

Bosch PLE‑1CS Plena All‑Call Call Station, metal base design with fixed 2 m cable and lockable, Sensitivity : 0.7 mV @ 85 dB SPL (2mV/Pa), Maximum input sound level : 110 dB SPL, Distortion <0.6% (maximum input), Input noise level (equiv.) : 28 dB SPLA (S/N 66 dBA ref. 1 Pa), Frequency response : 100 Hz to 16 kHz, Euro style connector.

Bosch PLE‑2CS Plena Two-zone Call Station, metal base design, a flexible microphone stem with a unidirectional condenser microphone and zone selection, Nominal sensitivity : 85 dB SPL, Nominal output level : 700 mV, Input sound level (max) : 110 dB SPL, Frequency response : 100 Hz to 16 kHz

A one-zone push-to-talk paging call station for the Dynacord U Series mixer amplifiers: gooseneck condenser microphone, priority signalling and phantom power from the amplifier. Scroll down for details.

The Bosch LBB1949/00 is a unidirectional gooseneck condenser microphone for public address announcements. Its flexible stem lets speakers position it comfortably, and its on/off switch with a priority contact supports priority switching on compatible PA equipment.

The Bosch LBB1950/10 is a PLENA tabletop gooseneck condenser microphone for public address announcements. Its flexible stem lets the operator position the microphone for speaking, while the push-to-talk button with priority contacts supports priority paging with compatible PLENA amplifiers.