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双尺寸中音单元：Wilson威信对中音重要性的重视从Alexx V上体现得淋漓尽致，采用的双尺寸中音喇叭在Wilson威信其它型号上都足够出彩。比如在TuneTot（通托）和 SabrinaX（莎宾娜X）中使用的5.75 英寸中低音单元就以相应速度较快且解析度较高而闻名，以及在旗舰WAMM ...