Circuit Audio Amplifer with IC TDA 1521 March 04, 2017 See below this circuit: Datasheet IC TDA 1521 : Vcc = 6-30 V Pout = 2X 6W RL = 8 Ohm Ft = 20-20 Khz Icco = 40 mA Package = SIP 1-9 Manufactered = Siemens Read more