TC Electronic G-Major Rack Mount Multi Effects Processor with 8 Simultaneous Effects Combines Full preset change for radical effects while also maintaining the simplicity of the Stomp box single effects switch Can use up to four connected Expression pedals to change parameter values High functioning Noise Gate settings can be saved at preset-level Use PingPong algorithms to alternate the repeats between Left and Right channels for a truly spacious Delay Comes with a full set of standard compression parameters that range from subtle (to even out levels) or hard (for distinct, individual guitar sound)