並前往https://xinchejian.com/2014/12/01/tesla-coil-speaker-%E9%9F%B3%E4%B9%90%E7%94%B5%E5%BC%A7%EF%BC%8D%E6%9C%89%E8%B6%A3%E7%9A%84%E7%89%B9%E6%96%AF%E6%8B%89%E7%BA%BF%E5%9C%88-dec-7/