Bosch LBB1949/00 Gooseneck Condenser Microphone, unidirectional, non-reflective dark gray finish, flexible stem, on/off switch with priority contact, fixed 2 m (78 in) cable with 5 pin DIN 180 degrees (lockable) connector.

Bosch LBB1950/10 Table-top microphone, Stylish tabletop unidirectional condenser microphone on a flexible stem, Sensitivity: 0.7 mV @ 85 dB SPL (2 mV/Pa), Maximum input sound level: 110 dB SPL, Phantom powered by amplifier, Momentary or toggle PTT-key for calls with priority contact, Green LED, indicating microphone active, Stable metal base design with fixed 2 m cable and lockable DIN connector, Separate DIN to XLR adapter.

Bosch LBB 1956/00 Plena Voice Alarm Call Station metal base design, a flexible microphone stem and a unidirectional condenser microphone. It can make calls to selected zones (one to six and all-call), 110 dB SPL, Frequency response 100 Hz to 16 kHz.

Bosch LBB1957/00 Plena Voice Alarm Call station Keypad Extension, Seven zone selection keys, Up to eight keypads can be connected together.

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