... Quick Sample 4) OEM OK Brushed Aluminum Cover for Car Power Amplifier Specification:Material: Alluminum Alloy: 1x ... SizeSurface Treatment: Anodized, Power Coating, Sandblasting, Polishing, Grinding, Painting, Screen printing, Tumbling , Electroplating, Fabrication: Sawing, Deburing, ... HydroformingApplication: Aluminum Panel/ Plate/ Covers used for all kinds of Car or Home Power Amplifier/Audio Player/ ...