ITEM NAME:10x PAM8403 2X3W Mini Audio Class D Amplifier Board Digital 2.5-5.5V Input RNO.10 x PAM8403 Amplifier Board. Unique without LC filter Class D digital power board, and can be used directly to the computer's USB powered. The left and right channel output of the "negative" can not, and then together, otherwise it will burn the IC and energized speaker (load) connected before.
