 It is a 3-channel 100-watt "revival" of the Mesa Mark IIC+ designed in part with Dream Theater guitarist John Petrucci, who is well-known for using a Mark IIC+ in the studio.The three channels are based upon the original channels of the Mark IIC+, but with two identical gain channels based on the IIC+'s lead channel.It also features two separate graphic EQs, which can be selected for each channel via mini toggles on each channel's front panel.