Speaker

1 . 1 : Perspective

1 . 2 : Front

1 . 3 : Back

1 . 4 : Left

1 . 5 : Top

1 . 6 : Bottom

1 . 7 : Enlarged

The broken lines indicate portions of the article that form no part of the subject design; the right side view is omitted because it is symmetrical to reproduction 1 . 4 ; in reproduction 1 . 1 , a dashed line square, curvy line and number 1 . 7 are to indicate an enlarged portion shown in reproduction 1 . 7 and do not form part of the claimed design.