TPA2000D4DAP by Texas Instruments Inc. Design and production,in March Technology Spot sales,And can pass March Technology Purchasing。TPA2000D4DAP Price reference $ 0。TPA2000D4DAP - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPA2000D4DAP Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial