The 78-year-old was speaking to the crowd on Friday night about how he “loves” the crucial battleground state when he fell silent, just over two weeks before the US election on November 5.
Mr. Trump is seen walking up and down the stage in the event footage while he waits for someone to resolve the problem.
He occasionally faces away from the majority of his audience, looking irritated.
He promptly pledged to not reimburse the “stupid company” that was in charge of the faulty audio equipment.
Mr. Trump informed the audience that “the entire world will be talking about the Michigan miracle and the stunning rebirth of Detroit” by the conclusion of his term if he wins the election.
Before promising to “bring it back better than it ever was,” he added, “[Vice President Harris] Kamala and the Democrats have been wreaking havoc on this place.”
