Donald Trump claimed on Monday that he was given a faulty microphone during the first presidential debate. Over the course of the campaign, Trump has repeatedly complained about the audio at his debates, occasionally threatening to withhold payment from his rally venues when equipment malfunctions. 'There's something he's hiding': Clinton calls out Trump for not releasing his tax returnsThe Trump and Clinton campaigns outline what you should expect in Monday's titanic debateHillary Clinton and Donald Trump just faced off in their first presidential debate — here's how it unfoldedSEE ALSO: