Brand N/A Model PAM8403 Quantity 1 Color Blue Material PCB + plastic + iron Features Board PAM8403 audio amplifier chip 2 x 3W filter-free stereo Class-D audio amplifier; On-board connected 2 5.08 (mm) pitch 2-Pin terminal respectively is left / right channel output; Chip main pin leads to facilitate the external device control Specification Operating voltage: 5V; Board size: 30 (mm) x 30 (mm) Application All kinds of electronic products or DIY lover Other Download Address: http://www.kuaipan.cn/file/id_121557448606624646.htm English Manual/Spec Yes Packing List 1 x Module