The Bosch LBB1990/00 is the heart of the PLENA Voice Alarm System: six zones on board, up to 120 zones with routers, a built-in 240 W amplifier and message manager, supervised emergency microphone, EN 54-16 certified. Scroll down for details.

Bosch PRS‑2P250 Power Amplifier 2 x 250 W, 2-channel power amplifier with Praesideo network, connection, rack unit 2 RU, Frequency response : 60 Hz to 19 kHz (-3 dB), Rated load resistance 40 ohm (100 V); 20 ohm (70 V), 10 ohm (50 V) Loudspeaker output.

The Bosch LBB1992/00 adds six zones and 12 input contacts to the PLENA Voice Alarm System, with one or two amplifiers for calls and background music at the same time. EN 54-16 certified. Scroll down for details.

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 LBB1930/20 is a 120 W PLENA power amplifier: 70 V / 100 V and 8 ohm outputs, two line 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 LBB1965/00 Message manager, A high-performance, highly versatile stand-alone digital message player, Up to 12 messages and 12 trigger inputs, Supported sample rates (fs): 24 / 22.05 / 16 / 12 / 11.025 / 8 kHz, 230/115 VAC, ±10%, 50/60 Hz.

A slim 20 W aluminium column loudspeaker for speech where directivity matters: passenger terminals, places of worship, conference venues, pools and factories. IP65 for indoor and outdoor use, designed for voice alarm to EN 54-24. 70 V, 100 V or 8 ohm; swivel bracket supplied. Scroll down for details.

A slim 40 W aluminium column loudspeaker for speech where directivity matters: passenger terminals, places of worship, conference venues, pools and factories. IP65 for indoor and outdoor use, designed for voice alarm to EN 54-24. 70 V, 100 V or 8 ohm; swivel bracket supplied. Scroll down for details.

A powerful 36 W column loudspeaker with four high-sensitivity dual-cone drivers, for speech and music where directivity matters indoors. Solid MDF in easy-clean vinyl with a cloth front; swivel wall bracket supplied. Scroll down for details.

A powerful 36 W column loudspeaker with four high-sensitivity dual-cone drivers, for speech and music where directivity matters indoors. Solid MDF in easy-clean vinyl with a cloth front; swivel wall bracket supplied. Scroll down for details.

A cost-effective bidirectional cabinet loudspeaker for good speech and background music indoors. A wedge-shaped cabinet with two drivers on an angled baffle for a very wide 270° spread: ideal for long corridors and shopping arcades. Scroll down for details.

A cost-effective bidirectional cabinet loudspeaker for good speech and background music indoors. A wedge-shaped cabinet with two drivers on an angled baffle for a very wide 270° spread: ideal for long corridors and shopping arcades. Scroll down for details.

A cost-effective corner cabinet loudspeaker for good speech and background music indoors. Made to fit corners between two walls or between wall and ceiling, with side keyhole brackets and rubber feet. Scroll down for details.

A cost-effective corner cabinet loudspeaker for good speech and background music indoors. Made to fit corners between two walls or between wall and ceiling, with side keyhole brackets and rubber feet. Scroll down for details.

A premium-sound 20 W two-way cabinet loudspeaker in an aluminium enclosure for high-fidelity music and speech, indoors and outdoors: IP65, wind force Bft 11 and EN54-24 certified for voice alarm. 70 V, 100 V or 8 ohm via a rotary tap switch; wall bracket supplied. Charcoal RAL 7021. Scroll down for details.

A premium-sound 20 W two-way cabinet loudspeaker in an aluminium enclosure for high-fidelity music and speech, indoors and outdoors: IP65, wind force Bft 11 and EN54-24 certified for voice alarm. 70 V, 100 V or 8 ohm via a rotary tap switch; wall bracket supplied. White RAL 9010. Scroll down for details.

A premium-sound 50 W two-way cabinet loudspeaker in an aluminium enclosure for high-fidelity music and speech, indoors and outdoors: IP65, wind force Bft 11 and EN54-24 certified for voice alarm. 70 V, 100 V or 8 ohm via a rotary tap switch; wall bracket supplied. White RAL 9010. Scroll down for details.