The ma2355 is a single rack space mixer amplifier designed for small 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 35 watts of power connected to 8 ohm speakers. Important notices: the front panel acts as the heat sink for this unit and may get hot under a heavy load.