Bogner Ecstasy Red Overdrive Pedal "True bypass Boost function with independently lit volume and gain controls Master Controls: Gain, Treble, Middle, Bass and Volume Variac On/Off switch: adds a ""dropped voltage"" dynamic compression to the feel and sound Mode Switch: Tight, Mellow and Full, shapes the general EQ curve and 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" Boost function with independently lit volume and gain controls "Master Controls: Gain, Treble, Middle, Bass and Volume" "Variac On/Off switch: adds a ""dropped voltage"" dynamic compression to the feel and sound" "Mode Switch: Tight, Mellow and Full, shapes the general EQ curve and gain levels"