A television system of digital sound includes a color television and at least one pair of three-stage frequency-splitting column sound boxes with each having three speakers. A front digital processor and a power amplifier are arranged in the control circuit of the color television. Its accompanying sound outputs of a stereo are coupled respectively to the pair sound box or build it in the sound box. The system may provide television with Hi-fi stereo or serve as a sound equipment for receiving sound, perfectly reproducing various sound field effects when the scanning system of color television is turned off to save energy and effectively lengthen life of the kinescope and scanning sector.