Good audio amplifier of heat dissipation function

The utility model discloses a good audio amplifier of heat dissipation function, including the audio amplifier box, four angle departments in interior bottom of audio amplifier box all are fixed withthe support column, and the spring has been cup jointed on the support column, the upper end of four support columns is run through the backup pad and is extended to the top of backup pad, threaded connection has lock nut on being located the support column above the backup pad, the bottom of the cavity cover body is fixed with the cavity drum, the lower extreme of cavity drum extends to the top of backup pad, the fin is installed to the inner wall of cavity drum, the top of audio amplifier box is equipped with radiating hole portion, the top of radiating hole portion is equipped with the dustscreen, the dust screen passes through the top of fix with screw at the audio amplifier box, the interior top bilateral symmetry of audio amplifier box is fixed with the dead lever, and the mid -mounting of dead lever has dri