The subwoofers in movies are usually exaggerated, which allows us to enhance the presence and vividness when watching movies. Therefore, the subwoofer playback system has become an excellent subwoofer sound effect for home theater systems. The price of domestically produced active subwoofer speakers is generally above 1200 yuan, and the price of imported products is very expensive. This article introduces a self-made active subwoofer speaker with an output power of 100W and the lowest frequency response. Up to 26HZ, the production cost is about 500 yuan. Circuit principle: Component selection and installation:
USB cables come in different shapes and sizes despite the fact a lot of them do the same things. In this short and handy guide, we`ll take a look at all the different types of USB cables available on the market and give you some examples of where you might find them in use.
USB Type-A, USB Type-B, Mini-USB, Micro-USB, USB-C USB Cable,usb cable types,usb cable extension ETOP WIREHARNESS LIMITED , https://www.etopwireharness.com
