The MA1705 is a single rack space mixer amplifier designed for installation applications. The unit provides a compact and efficient way to mix up to three sources such as AM/FM tuners, CD players, and video players with up to two microphones. Priority talkover is provided on Microphone One for paging, and on Source Three for a jukebox, telephone, etc. The power amplifier provides 70 Watts of power when connected to a 70 volt speaker system. IMPORTANT NOTICES: THE FRONT PANEL ACTS AS THE HEAT SINK FOR THIS UNIT AND MAY GET HOT UNDER A HEAVY LOAD.