The Fire-Eye Dee-Eye Preamplifier is a wonderfully simple instrument preamp designed for instruments with high-input impedance piezoelectric pickups from violins to basses. No need to adjust tone, volume or gain settings, the Dee-Eye offers a truly plug-and-play experience. The Dee-Eye is powered by XLR phantom power from the mixboard. Features include a ¼-inch instrument input, a balanced XLR Output, and ¼-inch output and input for accessory loop. This accessory loop is perfect for tuners, effects stomp boxes or for output to onstage amplifiers. Designed and improved over the course of several years to meet the needs of performing musicians, the Dee-Eye is crafted from the highest quality components available, resulting in a wonderful, natural tone.