20-50Pcs HW-104 PAM8403 2 Channel Audio Amplifier Module Class D Super Mini Digital Amplifier Board 2*3W DC2.5-5.5V Power Supply

High-concerned chemical : None Communication method : IR Model Number : Digital Amplifier Board Brand Name : LAIMANEI Origin : Mainland China Origin : Mainland China Type : Voltage Regulator Condition : New Application : Speaker Supply Voltage : DC 2.5-5.5 V Model Number : Digital Amplifier Board Power supply range : DC2.5-5.5V Output channel : Left and right dual channel 3W*2 Audio input : left and right ground (LRG) three-wire input Product Size : 25*18*2mm