B-Stock, Bogner Ecstasy Blue, e-guitar stompbox, distortion, True Bypass, boost function with independently lit volume and gain controls, master Controls: volume, treble, middle, bass and gain, Variac On/Off switch: adds a dropped voltage dynamic compression to the feel and sound, Mode Switch: Plexi and Blue offers vintage lower gain or modified higher gain levels, Pre-Eq Switch: B1, N and B2 settings control openness and presence of higher range harmonics, Structure Switch: 100, 101 and 20th Anniversary settings offer EQ shifts and gain structures from various eras/models of Ecstasy amplifiers, jacks: input, output and remote, remote jack allows control of the on/off and boost functions via a remote switching unit, Low battery indicator: LEDs blink when battery voltage drops below critical threshold, 9V battery or 9V DC power supply is needed (both not included), B-Stock with full warranty, may have slight traces of use