The MM-700F matrix pre-amplifier performs matrix controls from 4 LINE plus 2 MIC/LINE level inputs to 4 output channels. Each output channel features 64 DSP preset selections for general equalizations, crossover for sub-woofers or a variety of TOA speakers' EQ settings. 2 MIC/LINE inputs have 1st and 2nd priority levels which can override assigned output channels automatically or manually. If connected with optional WP-700-AM wall remotes via shielded CAT-5 cable, audio source selection and volume controls can be done remotely. All assignments and setups can be done by dip switches on its rear panel without a laptop or a PC. This unit fits a wide range of applications that require multi-zone paging and/or background music distribution at restaurants, retail stores, factories and many other venus.