Speaker grill is one of the application of the perforated sheet. The main material is stainless steel and carbon steel. Processing is perforated, cutting, shaping and then surface treatment. The main hole type is round, square, hexagonal and rectangular.
Speakers grill can filter sound and protect the device, it is widely used in the conference microphone, wireless microphone, headphone, indoor and outdoor loudspeaker column or box, lawn sound box, controller, special radio cabinet, radio equipment, public broadcasting background music system, ceiling speaker system, audio distributor and so on.