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.