Surround Sound 2 1 图标

<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor"><path d="M4 7V9H8V11H6C4.9 11 4 11.9 4 13V17H10V15H6V13H8C9.1 13 10 12.1 10 11V9C10 7.9 9.1 7 8 7H4M14 17H12V15H14V17M16 7V9H18V17H20V7H16Z"/></svg>