Schatten Design External Preamp

External Preamp For passive pickups of acoustic guitars, violin, viola, cello, mandolin and similar instruments Single-channel preamp and impedance converter Gain adjustable from 0 to 20 db Power supply: 9 V block battery (not included) Battery life: up to 2000 hours Includes belt clip 30 30-Day Money-Back Guarantee 3 3-Year Thomann Warranty available since June 2014 Item number 342769 sales unit 1 piece(s)