A complete amplifier module for subwoofer on the TDA7294 bridge. Implemented functions: power amplifier based on TDA7294 (70-140W) gain regulation adjustable low-pass filter (80-150Hz) with the option of shutdown (full-band operation) phase switch (0-180 degrees) subsonic filter (passive 3-order... Electronics Projects, Subwoofer Amplifier Circuits TDA7294 "audio amplifier circuits, ic amplifier, tda7294 amplifier circuit, " Date 2019/08/03