Specification Brand : IndustrialField BulletPoint1 : TDA2030A Module Single Power Supply Audio Amplifier Board Module BulletPoint2 : Developed Countries Estimated Delivery Time: 7-17 days(trackable),Other countries Estimated delivery time : 8-30 days.----- We provide Expedited Shipping service : 3-8 days.(excluding handling time).If the order amount above US $200, we will use Expedited Shipping service for free. BulletPoint3 : If it is not delivered within the specified time, or if it is not satisfactory. You only need to send a refund request and we will refund you in full. BulletPoint4 : We make every effort to provide customers with satisfactory service.any question,please feel free to contact me. BulletPoint5 : any question,please feel free to contact me. ExternallyAssignedProductIdentifier : 4793392486908 ExternallyAssignedProductIdentifier1 : 0729530472032 ExternallyAssignedProductIdentifier2 : 729530472032 ItemName : TDA2030A Module Single Power Supply Audio Amplifier Board Module ItemPackageQuantity : 1 ItemTypeKeyword : electronic-component-audio-amplifiers Manufacturer : IndustrialField Material : lead NumberOfChannels : 1 PartNumber : IF-modulen_11509 ProductDescription : 1, on-board audio amplifier chip TDA2030A 2, mono 18W amplifier circuit design 3, onboard speaker wire holder 4, on-board 10K adjustable resistance, you can adjust the amplified volume 5, onboard power indicator 6, the main chip pins have leads, you can directly input audio signal 7, the working voltage: 6 ~ 12V 8, board size: 32 (mm) x24 (mm) 9770 Amplifier Board