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. Combined with Mackie Active loudspeakers, the CFX.mkII mixers are part of a complete, easy-to-use Mackie sound system. ? High-headroom mic preamps with RF rejection ?