To solve the problem to uselessly confuse a user when a special opera tion command is input in a close state.

This is an in-vehicle audio device 10 which is provided with an operation part 11 which inputs a plurality of operation commands, a display 13 which displays contents of operation about the special operation command, a microcomputer 20 which executes control operation according to a control function in response to the operation command, and a panel drive unit 16 which turns out a close state or an open state; and the microcomputer 20 is provided with a memory 21 which stores the special operation command of close state as disapproval of reception, a state determination part 22 which determines whether it is in a close state or not, a reception judgement part 23 which judges whether or not the operation command in response to an input operation is a special operation command according to the contents of a memory when it is judged to be in a close state, and a reception control unit 24 which considers this special operation command to be invalid for reception when it is judged to be the special operation command.