Microphone Mixer, digital Echo, Graphics and Parametric Equalizer in One Rack Space! The DA-1055 PRO has the latest features that both the professional and the home karaoke enthusiast demands. Six microphone inputs with three volume controls allow up to six people to sing at the same time. The professional digital echo with digital delay and repeat controls helps the singer sound like a pro! The dual seven band stereo equalizer allows for the precise room tuning of the music. The three band parametric equalizer for the microphones feature sweep mid-range control to lift particular characteristics of the vocal or suppress for feedback elimination. The VocoPro DA-1055 PRO is your ultimate choice for great karaoke entertainment!.