Quality content requires excellent sound. You need a broadcast-grade microphone that plugs directly into your setup, and a mixer to blend audio
Elgato's USB condenser microphone 'Wave: 3' Various function reviews that can be used only with the white model body - GIGAZINE
Microphone Elgato Wave 3 Black
Wave:3 is a premium microphone and digital mixing solution that fuses plug and play convenience with broadcast-grade circuitry. Never clip again
Wave:3 - Black
Elgato Wave:3 review - SoundGuys
Elgato Wave DX Microphone Review - CGMagazine