Set 2 Mô Đun Khuếch Đại Âm Thanh PAM8403 5V 2 * 3W USB Chuyên Dụng

[{"t":"Advanced Micro Devices, volume: 1.85 * 2.11cm\nExcellent noise suppression in the case is not connected to the input audio, the ear close to the speaker can not hear any noise\nTwo-channel stereo, 5V power supply can output 3W +3 W power, can directly drive 4Ω 8Ω small speaker output power, full of energy, good sound quality.\nUnique without LC filter Class D digital power board, and can be used directly to the computer's USB powered.\nDual-panel wiring, properly solve the crosstalk between the ground potential balance and channel wiring\nUltra-miniature design, can easily be placed in the internal space for a variety of digital products, ultra high zoom efficiency.\nAll using the machine for the entire board soldering, hand soldering iron welding quality comparable!\nRated working voltage 2.5-5V, limit operating voltage 5.5V.\n\nPackage:\n1 x PAM8403 Ultra Miniature Digital Power Amplifier Board\n\nNote:\nThe 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."}]