... .High sound quality 4.Low cost 5.Ultra Low EMI PAM8303D 3Wx1 Mini Class-D Audio Amplifier BoardGeneral DescriptionPAM8303D is designed ... 5.5 VShort Circuit ProtectionThermal ShutdownPb-Free Package MSOP-8 PAM8303D 3Wx1 Mini Class-D Audio Amplifier Board