Speaker Production Process

Speaker Production Process, There Are Three Main Steps

Speaker is a device that can transform the audio signal into sound, generally speaking, refers to the speaker host box or subwoofer box with its own power amplifier, the audio signal is amplified and processed by the speaker itself to play back the sound, so that its sound becomes larger. Sound box is the terminal of the whole, is an extremely important part of the audio system, its role is to convert the audio into the corresponding, and it radiates to the … Read the rest

USB Power Cord

USB Power Cord,Understand the Common Connection Methods.

USB power cord is one of the most commonly used electronic connectors at present. Due to the different sizes of each device, many kinds of USB connectors are derived. However, the connection interface is fixed. Today, I will share several common connection methods of USB connectors, hoping to help importers.

Schematic drawing of USB interface

USB power cord consists of four ports: power positive (V+), power negative (V-), data positive (D+) and data negative (D-). Among them, the power supply is 5V.Some connectors … Read the rest