5/10pcs PAM8403 Super Mini Digital Amplifier Boards 2x3W Dual Channel Stereo 2.5V to 5V Power Amplifier Modules _x005f_x000D_ Specifications: _x005f_x000D_ Model: GF1001 _x005f_x000D_ Power supply range: 2.5-5.5V _x005f_x000D_ Minimum output: 3W*2 _x005f_x000D_ Appearance size: 22mm*22mm/0.86*0.86'' _x005f_x000D_ Packing weight: 30-50g _x005f_x000D_ Number: 5/10pcs _x005f_x000D_ Functional applications: LCD TV, monitor, notebook computer, portable speaker, portable DVD player, game player, mobile phone, hands-free telephone, etc. _x005f_x000D_ _x005f_x000D_ Warm Tips: _x005f_x000D_ 1. Connect the speaker first and then connect to the power supply, otherwise it will easily cause damage to the chip. _x005f_x000D_ 2. Because the digital volume control in the module has great gain, so don't let the audio signal input too large to produce cutting limit. _x005f_x000D_ _x005f_x000D_ Notes: _x005f_x000D_ 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. _x005f_x000D_ 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 5/10 X Digital Power Amplifier Boards