B-Stock, Mesa Boogie Throttle Box EQ, e-guitar effect, distortion, controls for: HI Level, LOW Level, Tone and Gain, 5-band graphic EQ (input level is automaticly matched to HI and LOW gain mode, also as master EQ), MID Cut, Boost, mini toggle for EQ HI and EQ LOW, True Bypass, battery operation possible, 9V DC power supply is needed, both not included, made in USA, B-Stock with full warranty, may have slight traces of use