Seymour Duncan Multi-Source Preamp System

Seymour Duncan Multi-Source Preamp System, Pick-up system, With under-saddle piezo pickup and omnidirectional electret condenser microphone, Tuned for guitars with steel strings, Preamp with high-impedance input for maximum headroom, Active 18 V low-noise operation, 2 Filters in the microphone channel eliminate low-end feedback, Controls for master volume and microphone volume, Internal trim pots for bass and treble, 6.3 mm endpin stereo jack socket, Can optionally be used in stereo mode: Piezo signal on tip, microphone signal on ring, Power supply via 2x AA battery ...