Edis EA015 Active Speakers for the classroom - New Design with front mounted volume control and ECO power saving. The design is especially for pupils in classrooms to create the correct sound levels and frequency range for the speech of the teacher to aid learning ability. The safety features are enhanced to prevent damage to the equipment and pupils using steel grille and secure wall brackets. The active speaker has two RCA inputs for PC and other device so that the teacher does not have to change the cables when using different equipment. The volume control is front mounted together with a power on/off switch that complies with latest CE directives