Engl Amplifiers’ Invader II amp is redesigned with two Clean channels and two Overdrive channels, switchable between a Hi or Low gain mode, plus a Sound switch that changes the character of each channel. Its four-channel preamp has a three-stage EQ and 12AX7 tubes, and offers separate Gain and Volume controls for each channel. The power section uses four EL34 tubes and utilizies a master A/B switch, sound shaping via controls for Presence and Depth Punch, and a tube protection circuit and power tube monitoring system. Learn more at www.englamps.de.