If you are going to spend that kind of money, you may want to think of prioritizing them. If in fact NP is using a captive mic in his PC, spending money to enhance his diction is pointless. However, may I suggest spending about $50 on a bluetooth speaker for all internet audio. Most listen to chats from youtube etc on iPads, phones, and cheapo laptops that the speakers within are 2” or less.

If your internet connection download is 50 mps, I would spend $ on the bluetooth speaker rather increase download speed.

If $$ is no problem, then spend it on better mic etc