Plena VAS

Olefins present BOSCH Plena mixer amplifiers are high performance, professional public address units with modern state of the art features.

They are easy to use, taking the complexity away from the user and putting it where it belongs, inside the equipment.

Providing a crisp call or clear music is as easy as turning on the radio.

The amplifier is also surprisingly affordable, without sacrificing features such as ducking, priority and flexibility.

Some other unique features include an innovative labelling system with a printable template (on disk included) and insert-able grey and red pins, to indicate optimal volume sets around the knobs.

2u rack ears included.

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Plena Voice Alarm 3.0

With release 3.0 of the Plena Voice Alarm, Bosch ensures full compliance with the EN54-16 and ISO 7240-16 for an extended number of 120 zones. And besides offering a full compliant system to the end user, consultant and installation company, the Plena Voice Alarm system can now be configured from the latest Windows PCs and on-line software is offered to enable straightforward system design.

Designed as a versatile solution, the Plena Public Address and Voice Alarm System features a standalone plug-and-play concept easy to set up and control. For flexible system control, the remote control panels duplicate the Plena Public Address and Voice Alarm’s user interface.

Slim solution, broad application

Based on a Plena voice alarm controller unit it can handle up to 6 zones with a built-in message manager, emergency microphone and a built-in 240 W power amplifier.

When connecting easy to install, 6-zone routers to the Plena voice alarm the number of zones extends to a 120-zone capacity. The power per zone is freely distributable per zone and is can be over 1000 Watts per router (or 6 zones).

In addition, 8 call stations with 32 call station keypads with programmable keys can be interconnected for message routing. Additional Plena amplifiers can be added to create two-channel systems.


• 4 microphone/line inputs, plus 3 music source inputs

• 100 V and telephone input with priority & VOX

• Announcement only output, 3-wire volume override

• Voice-activated emergency override

• Output power 30 Watts/60 Watts/120 Watts/