PMX-4 is a compact powered mixer bringing all the feature needed for small amplification systems. Its four channels, each with equalization and effect controls, can be used to connect microphones or instruments. AUX input is perfect to connect MP3 players, smartphones or other devices. Easy to setup, finds its best applications in school and small conference rooms. 4 channel powered mixer 2x100W amplification Four microphone/line channels with 2 band equalizer and ambient effect One AUX in channel with volume control Master section with 3 band equilizer, volume and effect level Jack 6,3 left and right speaker outputs Effect send/return to connect external effect units Sturdy MDF structure with metal corners