| 摘要 |
PROBLEM TO BE SOLVED: To realize sufficient presence by freely laying out diversified and complicated speaker configurations in a surround system or the like and to supply a drive output from an amplifier to speakers without installing wires on a floor face in a room. SOLUTION: The amplifier 1 for supplying an amplified output 102 to the speakers 2 installed on a wall face or a floor face via lines 28 includes: an engagement member for a part to be engaged annexed to a commercial power supply receptacle 9 provided onto a ceiling; and a power plug connectable to the commercial power supply receptacle 9. Further, the amplifier 1 includes: a receptacle to which an illumination apparatus 40 can be connected; or a wireless or wired input means of an audio signal 100. COPYRIGHT: (C)2005,JPO&NCIPI |
