VocoPro Professional 6-Mic Digital Echo Mixer/Parametric Equalizer 3 Dual-input Mic Preamplifiers accommodate a total of 6 micrphones (3 front, 3 rear) Equalizer: 3-Band Parametric for microphone output Digital Echo: Repeat and Delay Controls Dual 7-Band Stereo Equalizer for music sources 110/240V AC Switchable Power