It is time to improve the sound quality select material and components, such as metal, carpet, leather etc? They are selected by experts.
其就是次挑选能提高声音品质的材料和零部件，如金属、呢毡、皮革等，它们也都是由专家精挑细选的。
Buried wall design: effectively prevent damage, select high-quality material force, luxurious and durable.
埋墙式设计：有效防止外力破坏，挑选优质材质，豪华耐用；
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