The Bosch PLE-1MA120 is a public address amplifier with a 120-watt power, 100-volt line commercial audio system using 8-ohm loudspeakers and is suitable for use in low-impedance sound systems. It's easy to use, with simple zone labels included in the box as well as set indicators to indicate optimal and most recommended volume settings. The interface of this amplifier is straightforward so it is easy for anyone to operate. This Plena mixer comes with an adjustable talk-over function for paging applications and separate volume controls for dedicated music channels. An amplifier ideal for use in retail stores, commercial offices, halls, and more.