Line 6 HX Effects Floor Multi FX Modeler With Helix And M-Series EffectsThe Line 6 Helix series places a huge amount of processing power at the feet of any player to cross its path. With the Line 6 HX, players are treated to over 100 high quality digitally modeled guitar effects including drive, reverb, modulation, delay, loop, and just about anything one could possibly need. USB and MIDI connectivity expand the capabilities of the HX to involve more digital utilities. Expression pedal output and Impulse Response