Here's a lightly used Presonus AudioBox 22VSL USB Audio Interface, the optimal microphone-to-computer interface. In addition to superior audio quality, this is the only interface that provides zero latency filtering, noise gate, compression, 3-band parametric EQ, and effects right in the driver software. You can also store unlimited number of presets. The built-in compressor and noise gate work great with amazing fidelity. $100 shipped CONUS - for more info see
https://www.presonus.com/products/audiobox-22VSL