Audio amplifier metal casing

The utility model relates to the technical field of electronic components, especially, relate to an audio amplifier metal casing, including the audio amplifier metal casing body, the audio amplifier metal casing body is formed by the aluminum alloy preparation, the audio amplifier metal casing body is hollow cuboid, a plurality of public address through -holes have been seted up on the relative both sides face of audio amplifier metal casing body uniformly, the public address through -hole is the octagon, compares with prior art, the utility model discloses an audio amplifier metal casing adopts the aluminum alloy preparation to form, and the audio amplifier is acceptd in hollow cuboid, and the public address through -hole is directly established on the audio amplifier metal casing body, and the public address through -hole is the octagon, and the sound that the audio amplifier sent passes through the public address through -hole is derived, and the audio is good, and tone quality is high, and the metal feel of aluminum alloy is strong, and it is strong to support the guard action, durable, and long service life increases scientific and technological element, the part is few, the handling ease, the process is few, the yield is high, durable, with low costs, simple structure moreover, the appearance is beautifully changeable, long service life.