• The LBB 1938/20 is a powerful 480 W power amplifier in a 3U high 19” case for rack mounting or tabletop use. LEDs on the front panel show the status of the amplifier: power, audio output level, and supervised functions. This high-performance unit fulfils a wide range of public address requirements at a surprisingly low cost.

• The LBB 1956/00 call station is a stylish, high-quality call station with a stable metal base design, a flexible
  microphone stem and a unidirectional condenser microphone.

• The LBB 1930/20 is a powerful 120 W power amplifier in a 2U high 19” case for rack mounting or tabletop
  use. LEDs on the front panel show the status of the amplifier: power, audio output level, and supervised functions. This high-performance unit fulfills a wide range of public address requirements at a surprisingly low cost.

The LBB1990/00 Voice Alarm Controller unit is the heart of the Plena Voice Alarm System. It is the basis
of the Plena Voice Alarm System, and has all the essential functionality for compliance with the EN 54‑16 standard, including full system supervision, loudspeaker line impedance supervision, a supervised emergency microphone on the front panel and a supervised message manager.

• The LBB1992/00 Voice Alarm Router is an expansion unit that can add six zones and 12 input contacts to
  the Plena Voice Alarm System. It can use the built‑in amplifier on the LBB1990/00 Plena Voice Alarm System Controller, and provides inputs and outputs for one or two amplifiers in a multi‑amplifier one or two‑channel system. It provides dual channel operation for calls and BGM simultaneously to a maximum of six different zones, using two amplifiers.