... ,Quick Sample 4) OEM OK Brushed Aluminum Cover for Car Power Amplifier Specification:Material: Alluminum Alloy: 1x,2x ... seriesTemper: O, T1, T4, T5, T6, H12Shape: PanelSize: Flexible SizeSurface Treatment: Anodized, Power Coating, Sandblasting, Polishing, Grinding, Painting ... HydroformingApplication: Aluminum Panel/ Plate/ Covers used for all kinds of Car or Home Power Amplifier/Audio Player/ Disc ...