• 6-zone system expandable to 60 zones using additional 6-zone routers
• Up to 8 call stations may be connected by CAT5 cable to 2 x RJ45 input connectors
• Mic/line input with configurable priority, speech filter, phantom power and selectable VOX activation
• 2 x BGM sources may be individually selectable from front panel with 6-step output level in each zone
• 16 priority levels for microphone, call stations and 12 trigger inputs
• 240w amplifier with 6 transformer-isolated 100v output zones
• Separate 100v call-only priority announcement outputs
• 6 configurable output contacts for overriding local volume controls during priority calls
• BGM output may be connected to an additional amplifier to provide two-channel operation up to total power of 480w per 6 zones
• Standard analog audio 100V line switching provides full compatibility with the Plena public address equipment and Bosch EVAC-compliant loudspeakers
• DIP switches configure basic functionality and a PC configures advanced functions
• LED VU-meter output monitor
• Compliant with IEC 60849 standards providing full system supervision including loudspeaker line impedance, front panel emergency microphone and message manager

• 6-zone system pre-amplifier
• 2 input channels for call stations
• 3 inputs for BGM selection
• Universal input for microphone/line
• Single or dual channel operation

• Unidirectional electret condenser microphone, gooseneck type
• 6 zone keys, all-call key and ptt key
• Built in limiter and equaliser
• Selectable gain and output level
• LED indications for zone, fault and emergency state

• 6 microphone/line inputs, 3 music source inputs
• 100v, telephone & call station inputs
• Power output 240w @ 100v or 8Ω
• 2-zone output selectable from call station
• Separate tone controls for voice and music
• Voice activated emergency override

• Unidirectional electret condenser microphone, gooseneck type
• 2 zone keys & all-call key
• Built in limiter and equaliser
• Selectable gain and output level
• Data Sheet in .pdf format (386kB)

• Two weekly programs
• 14 chimes
• Six contact outputs
• Automatic daylight/standard time

• 120w mixer amplifier
• 3 low-noise balanced inputs for microphone or line
• Selectable priority & VOX switching on microphone input 1
• Optional 2-tone chime to precede announcements
• 2 individually selectable loudspeaker zones each with its own volume control
• MP3 CD player
• Digital FM/AM tuner with 15 presets
• 70V, 100V and 8ohm outputs

• Configurable for momentary or PTT action
• Phantom power form amplifier
• LED indicator

Bosch LBB1912/10

Plena Mixer Amplifier

• Single zone mixer amplifier 120w
• 4 low-noise balanced inputs for microphone or line
• Selectable priority & VOX switching on microphone input 1
• Optional 2-tone chime to precede announcements

• 70V, 100V and 8Ohm outputs
• 2 separate priority controlled 100V outputs for priority zones, and for zones that will not get priority announcements
• Balanced XLR input and loop through output
• 100v line input allows direct input connection of remote 100v line
• LED VU metering
• Protected against overload and short circuits
• Operates on 24v battery power for emergency backup, with automatic switchover
• Temperature-controlled fan

• 70V, 100V and 8Ohm outputs
• LED VU metering
• Protected against overload and short circuits
• Operates on 24v battery power for emergency backup, with automatic switchover
• Temperature-controlled fan

Bosch LBB1965/00

Digital Message Announcer

• Highly flexible standalone digital message player
• 12 messages and 12 trigger inputs
• Downloads messages from a PC in WAV-format
• Compliant with standards for emergency sound systems
• Zone-control for Plena system pre-amplifier LBB 1925/10
• Front panel control and remote control