?PAM8406 Binaural Amplifier Board No noise Stereo Amplifier 2 X 5W<br>Feature:<br> DC single power supply: 2.5-5V recommended voltage: 5V<br> Maximum output power: 5Wx2 [2ch \/ 2 channel]<br> Output Impedance: 2-8 Europe<br> Board Size (width \/ length): 42X45mm<br>  <br> Use DC single power supply｣ｬ external LINE IN \/ 2.54mm 3p plugs or a stereo headphone plug signal input to make active amplifier role.<br>  <br> Left and right channel output circuit using 2.54mm 2p socket｣ｬ no need electric soldering iron  Package included:  1 x PAM8406 Binaural Amplifier Board No noise Stereo Amplifier 2 X 5W