並前往https://www.audio-supply.com/wp-content/uploads/2015/03/Wharfedale-DX-1-Sub-%E8%B6%85%E4%BD%8E%E9%9F%B3%E4%B8%AD%E6%96%87%E8%AA%AA%E6%98%8E%E6%9B%B8.pdf
