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.
Automotive Toggle Switches
Automotive Toggle Switches , namely Electrical Toggle Switches. Our Automotive Switches could divided into Push Button Switches, Automotive Toggle Switches, Automotive Rocker Switches, Automotive Rotary Switches and Automotive Battery Switches .
Yeswitch has been designing and manufacturing Momentary Toggle Switches for nearly 30 years and has accumulated rich experience in this field. Yueswitch people continue to innovate and constantly overcome technical problems, providing professional automotive control panel toggle switches for global automakers and enthusiasts in the global automotive modification industry. The types of our toggle switch products are complete and diversified to meet the needs of customers.
Yeswitch Waterproof Toggle Switches is widely used in the automotive field, ship, medical, communication, and has IP6 standard. Our company's full range of toggle switches not only have reliable quality assurance, but also can be diversified in appearance. Different types of crank handles can be selected with LED Light design, which is convenient for setting and preventing desperation.
Automotive Toggle Switches
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YESWITCH ELECTRONICS CO., LTD. , https://www.yeswitches.com