Up for your consideration is a Yamaha AG03 USB mixer. This mixer will plug directly into your laptop. Needs no external power with your laptop which is a bonus!! Has an onboard compressor limiter, and an onboard reverb effect. Plus has software downloadable from Yamaha that will give you extra compression and EQ options for both a microphone and a guitar. It's pretty versatile. in like new condition… Sonically, clean, and quiet.