| 摘要 |
PURPOSE:To expand sound in upper/left/right direction by using a speaker box on a couple of adjacent faces of which a connecting means to an acoustic device main body is provided and also on another couple of adjacent faces of which the 1st and 2nd speakers are provided respectively. CONSTITUTION:Left and right side faces 1L, 1R of the acoustic device main body 1 are formed as a square form. A couple of spekaer boxes 2L, 2R are formed as a cube so as to be matched respectively to the left and right side faces of the acoustic device main body. Four concaved slots 9 as being represented by the right side face 1R are provided on the left and right side faces of the acoustic device main body 1 and are means for connection. Four sets of the 1st projections 10a and four sets of the 2nd projections 10b which are engaged with the four concaved slots at the side faces of the device main body 1 are provided on a couple of adjacent faces 2a, 2b of the speaker boxes 2L, 2R. The 1st and 2nd projection means 10a, 10b are the 1st and 2nd means to be connected. |
