| 摘要 |
<p>Disclosed therein is a flat speaker, which can be mounted anywhere, such as on the surface of a wall or a floor, using an attachment magnet mounted on the speaker, provide an effect of a large- sized speaker as a small-sized speaker and treat sound signals of various frequency bands since the surface of the wall or floor, to which the flat speaker is attached, serves as a diaphragm for amplifying sounds, improve frequency characteristics since a vibration sheet made of carbon or glass laminate is attached on the speaker, and receive signals from sound source generating means, such as CD players, MP3 players, and so on, by radio through Bluetooth communication.</p> |
