Three-dimensional stereo sound equipment

The utility model discloses a three-dimensional stereo sound box, which comprises a bottom-layer four-way sound box, mega bass two-way sound boxes and a top-layer four-way sound box, the bottom-layer four-way sound boxes are arranged at four corners of the lower end of an indoor space, and the mega bass two-way sound boxes are respectively arranged right in front and right behind the lower end of the indoor space. The top-layer four-way sound boxes are arranged at four corners of the upper end of an indoor space, a 4.2. 4 decoding reduction pre-stage power amplification module, a rectification voltage reduction and stabilization module, a post-stage power amplification module and a heat dissipation system are integrated on a mainboard in the decoding reduction power amplification all-in-one machine, and the rectification voltage reduction and stabilization module is electrically connected with the 4.2. 4 decoding reduction pre-stage power amplification module and the post-stage power amplification module. The