■ COMPACT DESIGN
    Easy to install and operate with compact design of 1U size and functions.
■ DIGITAL AMPLIFIER CIRCUIT
    Take up the Digital Amplifier Circuit with High efficiency of the rated power PU-103: 30W, PU-106: 60W, PU-112: 120W), High reliability, low weight and low temperature.
■ USB DRIVE AUDIO PLAY FUNCTION
    USB thumb drive supports audio play.
■ VARIOUS INPUT CONTROL FUNCTION
    Control the each input channel level using the sound control volume of INPUT 1~3.
■ INPUT SIGNAL LED
    Allowed to display the input signals input to INPUT 1~3 to easily check the signal input of each channel.
■ AUTOMATIC SLEEP MODE
    Minimized power consumption and life span of the parts is lengthened. When the output is lower than 170μW for a minimum of 5 minutes (Default: 15 minutes), MA-112 switches to standby, 

    and switches back on in less than 0.5 seconds when the output exceeds 170μW.
■ TONE CONTROL FUNCTION
    You can adjust the tone to suit your surroundings and mood by using the Tone Controls of BASS and TREBLE depending on the frequency used.
■ PRIORITY MUTING
    Adopted to control other input signals by input signals of TEL IN and INPUT 1.
■ EXTERNAL MUTE FUNCTION
    Be able to use external mute when you want to cut off the unit’s output signal from the external equipment.