The matter for the all aluminum housing used for producing sound out of aluminum, when the aluminum is uses to make instruments yes, the embodiment of the instruments is aluminum it makes the instrument lighter to hold, and give a distinguishing of a clean clear quality firm sound, no move waiting year for your instrument to cure, or using your instruments to it cure, or heavy woods, or heavy plastics.
The matter for the all aluminum housing used for producing sound, and, also having a uses for speaker box to be made out of all aluminum, and not wood to makes the speaker box lighter in home or in your vehicle when carrying around your speaker box in your vehicle. The matter for the all aluminum housing used for producing sound, and is idea for a car back window surface lid, and is idea for intercom boxs, and for a speaker fame for speakers.