The best microphone/pickup i've ever used - have used it with acoustic bass, acoustic guitar, handheld percussion, mandolin, and other acoustic instruments! Only needs a 1/4" patch cable and you're good to go! No phantom power required. Selling because i'm personally looking for something a bit more basic in a pickup. **From the website** "Fully equipped with an internally powered, active preamp to produce the richest sound your instrument can deliver! Lithium battery power-source (included) is pre-installed and each pickup is meticulously tested before delivery."