| 摘要 |
PURPOSE: An apparatus for adjusting the power of a wireless speaker is provided to prevent the waste of power consumption by controlling a direct current voltage provided to an amplifier according to an audio output level of a wireless speaker. CONSTITUTION: A wireless speaker comprises a wireless receiving module(30), a switch(31), a DC/DC converter(32), a controller(33), an amplifier(34), a speaker(35), and a plurality of circuit devices. The wireless receiving module receives a signal wirelessly transmitted from the wireless transmission module of a home theater(200). The wireless receiving module wirelessly receives audio data, a slim mode, audio volume data, and a reset signal, etc. A DC/DC converter respectively transforms battery power applied passing through the switch or power provided through an AC adapter into a direct current voltage having different values. |
