Bán Bảng Mạch Khuếch Đại Âm Thanh Mini Pam8403 2x3w Đầu Vào 2.5-5v giá tốt nhất

【rcer】PAM8403 2X3W Mini Audio Class D amplifier board 2.5-5V inputFeatures: 1.Machine Electricity: 2.5 V - 5.5 V. Attention: Power supply needless superfluous 5.5 V, power supply positive / negative unnecessary connection. 2.Delivery: 4-8 Europe, Recommendation: 4 Europe; Pay rate: 2-8 W. 3.Available power cord USB port 5 V power supply, use equipment charger electric appliance USB port 5 V power supply, power supply for non-use as well. 4.High efficiency 90%, 4 Ω loading 5 V under supply conditions, available 3 W (left vocal tract) + 3 W (right vocal tract) export rate 5.D Degree of efficiency release, extreme, incorrect temperature, sound duration, unnecessary heated swirl, occupancy volume small. 6. Successfully placed board disconnected electric circuit, mold clasp Short path overflow protection Coolant protection. 7.Scale dimension of plate: about 1.85 * 2.11 cm Use: LCD televisions, surveillance equipment Writing electricity Fly-mouth loud voice device Flight-handed DVD sending and releasing device, Yu-Mei Hand / Emergency telephone Usage Notes: Frontal loud voice unit reconnection power supply, easily negligibly erroneous core fragmentation mortgage; Yuan scale battle medium number digitally deduced possession large increase, unnecessary unnecessary sound frequency signal import overexcitation signal production cut off limit Note: 1.Due to the hand measurement, there have size error about 1-2cm or more 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the photo and the actual item could be slightly different Package include： 1pc*PAM8403 2X3W Mini Audio Class D amplifier board