| 摘要 |
PROBLEM TO BE SOLVED: To provide an easy-to-operate and low-cost power supply for a car audio appliance. SOLUTION: A power supply connector 11 to which the first and the second connectors are selectively connected, a separate connector 14 and a short plug 17 to be connected to the connector 14 are provided. When the first connector is connected to the power supply connector 11 and when the short plug 17 is connected to the connector 14 in the first state, the first and the second voltages supplied at the first contact 4 and the second contact 7 of the power supply connector 11 are supplied to the first and the second power supply systems through the short plug 17. When the second connector is connected to the power supply connector 11 and when the short plug 17 is connected to the connector 14 in the second state, the second and the first voltages supplied at the first contact 4 and the second contact 7 of the power supply connector 11 are supplied to the second and the first power supply systems through the short plug 17. |
