| 摘要 |
According to one embodiment, an electronic apparatus includes a speaker, a terminal, a first detector, a second detector, an amplifier, a power supply circuit and a control module. The terminal is configured to connect an external device via a connection member, the external device outputting an audio signal. The first detector is configured to detect that the connection member is connected to the terminal. The second detector is configured to detect that the audio signal is received via the terminal. The amplifier is configured to amplify the audio signal and to produce sound from the speaker. The controller is configured to control the power supply circuit to supply power to the amplifier, when the first detector detects that the connection member is connected to the terminal, the second detector detects that the audio signal is received, and the electronic apparatus is in an inoperative state.
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