M-Audio Audio Buddy If you're looking for a whole lot of preamp on a tight budget, you'll see where this popular product gets its name. Affordability and performance make the Audio Buddy is one of the most popular mic preamps in home recording today. You get professional microphone support along with line inputs impedance-matched for ideal performance with electric guitar and bass. Simply put, the Audio Buddy is a workhorse mic preamp that sounds great and won't hurt your budget.