Headphones play a very important role in people's lives. Play games, listen to music and watch videos everywhere. Whether it is in cybercafes or offices, headsets are a must for computer users. The earphones on the market today can be described as a variety of types, ranging from simple earphones of a few yuan to a hundred dollars, medium and high-grade earphones of several hundred dollars, and thousands of yuan of electrostatic monitoring headphones. We may be very confused if we want to pick a pair of products that are not high in price, good in quality, and not too familiar with brand awareness. Because there are close to dozens of well-known brand products on the market, there are nearly 100 kinds of no-name headphones that have no name but a low price. Xiao Bian through the personal experience, summed up the following two points, hoping to help everyone buy the favorite headphones. 1, pay attention to the product performance indicators marked buy headphones, headphone packaging or instructions on the performance indicators to pay attention to, because the poor quality of the headset is often produced by some small factories, some of its performance indicators are scrambled, some exaggerated. Headsets generally have a minimum frequency range of 20 to 20 kHz, greater than 100 mW of power, and less than or equal to 0.5% of harmonic distortion. If you do not meet the above requirements, you better not buy. If the performance of the product is too high, please do not buy it.
2, the quality of product workmanship The earphones used by manufacturers are usually engineering plastics, so the appearance is very smooth, and there is a certain degree of stress and toughness; it has no sensation of hardness, workmanship is also more sophisticated, feels very good, but not inferior The roughness made of plastic. In addition, the diameter of the lead wire of the earphone is relatively thick, which can ensure stable transmission, the touch of the wire is soft and hard; the plug is very clean and neat, and no burr is left, and the plating is even and smooth. If you do not meet the above conditions, do not buy the best.
Capacitor for Electric Furnace
Capacitor For Electric Furnace, commonly referred to as capacitors, are capacitors, expressed in the letter C.Definition 1: a capacitor, as the name implies, is a "charging vessel", a device that holds charge.Capacitor.Capacitors are one of the most widely used electronic components in electronic equipment. They are widely used in the fields of interleaving, coupling, bypass, filtering, tuning circuit, energy conversion and control.Definition 2: a capacitor consisting of any two conductors (including wires) that are insulated from each other and are very close together.
Components Capacitors,High Voltage Capacitors,Low Frequency Capacitor,Water Pump Capacitor,Capacitor for Electric Furnace
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