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There are dedicated inline compressors on the last four mono channels of each ProFX mixer and a Channel Insert jack for connecting an external processor on the remaining mono channels. Additionally, the ProFX Series mixers include Mackie’s classic high-headroom, low-noise mic preamps, integrated effects and a precision 7-band graphic EQ for tuning the room or the monitors. The 32-bit RMFX™ processor has 16 “Gig-Ready” effects, including reverbs, choruses and delays. ProFX allows stereo playbac