20 CHANNELS OF MACKIE MIXING WITH SUPERB BUILT- IN EFFECTS Designed to take the hassle out of mixing live performances, Mackie's CFX.mkII Series compact live sound mixers feature genuine Mackie mic preamps, four subgroups, precise nine-band stereo graphic equalizers for greater sonic control, and onboard EMAC™ 32-bit digital effects—eliminating the need for outboard effects processors and cables.  For more information and to provide information for your next event. Click Here. Customer Reviews