To guarantee a good electrical contact, Douai is carefully treated both in components soldering and oxidation. For example, the metal part of it has been exquisitely handled with paint to avoid oxidation or corrosion. Its amplifying mixer device lets users easily connect speaker wires
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To guarantee its longevity, Douai is finely developed with shock-proof and scratch-resistant capacity by our R&D team. The team has made much effort in improving its performance. Its amplifying mixer device lets users easily connect speaker wires
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Douai has passed the anti-static and electro-static discharge tests required in the electronics industry. The product has high sensitivity to ESD, protecting people from the harm of discharged electric. It is designed with a short circuit protection system
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Douai is made of materials which are carefully selected and sourced. The raw materials used do not contain any toxic or harmful substances such as mercury, lead, polybrominated biphenyl, and polybrominated diphenyl ethers. Its components guarantee its effective acoustic output
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From the selection of raw materials of Douai , any hazardous substance or element is eliminated to prevent pollution to the environment as well as any harm to the human body. Featuring large capacitance, it can work under high power condition
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It comes with fine reflectivity. More light is reflected as its fabric has a high thread count and is tightly woven together.