The MA-725F matrix amplifier performs matrix controls from 4 LINE plus 2 MIC/LINE level inputs to 4 output channels. Each output channel features 250W at 70V/100V class-D digital amplifier with 64 DSP preset selections for general equalizations, crossover for sub-woofer, or variety of TOA speakers EQ settings. 2 MIC/LINE inputs have 1st and 2nd priority levels which can override at assigned output channels automatically or manually. If connected with optional WP-700-AM wall remotes via 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 PC. This unit fits a wide range of applications that require multi-zone paging and/or background music distribution at restaurants, pubs, retail stores, factories, etc...