BOSCH LBB 1938/20 480 W Plena Power Amplifier

The Bosch 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 of the LBB1938/20 show the status of the amplifier: power, audio output level, and supervised functions.

This highperformance unit fulfills a wide range of public address requirements at a surprisingly low cost. 

• 480 watts
• Very high audio performance power amp
• Can be used to boost Plena Voice alarm systems with system monitoring
• XLR and jack input with XLR and Jack loop through outputs
• 100 volt line input. Ideal for remote location booster amps
• 100v, 70v and 8 ohm outputs
• 24v override relay output
• Temperature controlled fan
• AC and 24VDC operation
• LED VU Meter
• Dual inputs with priority switching
• Temperature controlled forced front to back
• Mains, battery back-up, and pilot tone supervision
• TÜV certified according to IEC 60849