hiwe need Car Amplifier Aluminum Case heat sinkGrade:6000 SeriesTemper:T3-T8Application:Heat SinkShape:SquareAlloy Or Not:Is AlloyMaterial:Aluminum 6063Process:Cnc Machining+deburrsSurface treatment:Sandblasting , power coating , anodizingApplication:audio , amplifierService:Customized OEMKeyword:Car Amplifier Aluminum CaseSamples time:7 working daysTooling time:20daysCertificated:ISO9001:2008 Show More