5PCS 2.5-5V 2X3W Mini Audio Class D amplifier board PAM8403 board

The unique non-LC filter Class D digital power board can be used directly USB-powered computer. PRECAUTIONS The left and right channel output of the “negative” and can not be together, otherwise it will burn IC, and take a good speaker should be preceded by electricity (load).

10/100X 304 Stainless Steel Single Ear Hose Clamps Assortment Water Pipe Hoop

Narrow design: the clamping force is more concentrated, the weight is lighter, and the interference is smaller. Material: stainless steel. 10//20/50/100X stainless steel ear clip. Color: Silver. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture.