The Bosch LBB1938/30 is the 480 W power amplifier of the PLENA Voice Alarm System: 70 V / 100 V and 8 ohm outputs, dual inputs with priority switching, EN 54-16 certified, 3 U. Scroll down for details.

The Bosch LBB1935/20 is a 240 W PLENA power amplifier in a 2 U housing: 70 V / 100 V and 8 ohm outputs, dual inputs with priority switching, 100 V input for slave use. Scroll down for details.

The Bosch LBB1956/00 is the PLENA six-zone call station: zone, all-call and PTT keys, condenser microphone on a flexible stem, selectable gain, speech filter and limiter; up to 8 LBB1957/00 keypads. Scroll down for details.

The Bosch LBB1957/00 adds seven zone keys with LEDs to the LBB1956/00 call station; up to eight keypads per station, same metal base, flush-mountable. Scroll down for details.

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 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-1MA060-EU 60W Plena Mixer Amplifier, 4 microphones and 3 background music (BGM) inputs, 100 V and telephone input with priority & VOX, 2-tone chime, Announcement only output, 3-wire volume override, Outputs for line out and music only out, Unique easy-to-use intuitive tone controls, Voice-activated emergency override, 230 VAC ±10%, 50/60 Hz.

Bosch PLE-1MA120-EU 120W Plena Mixer Amplifier, 4 microphones and 3 background music (BGM) inputs, Speaker output: 100 V and 4 Ohm, Announcement only output, 3-wire volume override, 100 V and telephone input with priority & VOX, Voice-activated emergency override, Master output for expansion, Frequency response 50 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB ref. rated output), Distortion <1% @ rated output power, 1 kHz.

Bosch PLE-1ME120-EU 120W Plena Mixer Amplifier, 4 microphones and background music (BGM) input, Announcement only output, 3‑wire volume override, PTT (push to talk), 2‑tone chime, Built-In Standard Headphone Output, Loudspeaker output 4 ohm: 22 V (120 W), Frequency response (Line) : 60 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB), Frequency response (Mic.) : 70 Hz to 20 kHz (+1/‑3 dB @‑10 dB).

Bosch PLE-1ME240-EU 240W Plena Mixer Amplifier, 4 microphones and background music (BGM) input, Announcement only output, 3‑wire volume override, PTT (push to talk), 2‑tone chime, Built-In Standard Headphone Output, Loudspeaker output 4 ohm: 31V (240 W), Frequency response (Line) : 60 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB), Frequency response (Mic.) : 70 Hz to 20 kHz (+1/‑3 dB @‑10 dB).

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

Bosch PLE‑2MA120‑EU 2-zone 120W Plena Mixer Amplifier, 6 microphone/line inputs plus 3 music source inputs, 100 V, telephone and a call station input with priority & VOX, 2 zones and announcement only output, Voice activated emergency override, Separate tone controls for microphones and music sources, 115 - 230 VAC ±10%, 50/60 Hz, Inrush Current: 8/16 A (230/115 VAC), 400 VA, 50 Hz to 20 kHz, 2x RJ-45 input, Charcoal.

Bosch PLE‑2MA240‑EU Plena Mixer Amplifier, 240W, 6 microphone/line inputs plus 3 music source inputs, 100 V, telephone and a call station input with priority & VOX, 2 zones and announcement only output, 2-tone chime, Voice activated emergency override, High output power 240 Watts.

A 2-channel Dynacord V Series amplifier, 2 x 300 W rated from a shared 600 W, each channel at 4 ohm, 8 ohm, 70 V or 100 V. Scroll down for details.