B-Stock, MXR M81 Bass Preamp, Combination of a preamp and a studio-quality direct out, Separate INPUT & OUTPUT level controls, 3-band EQ section with sweepable midrange, Ground lift switch, Pre/Post switch for position of the EQ, Controls for Output, Mid. Freq., Input, Bass, Mid and Treble, 2 internal switches for the function of the direct out and true or buffered bypass, Status LED, 1/4" in and out, XLR out, Operation with 9V battery or optional PSU (#108096), Made in U.S.A., B-Stock with full warranty, may have slight traces of use