Helix vs Headrush - Both these pedal boards are amazing and have their own characteristic, to chose one among them would be hard decision. But it all depends on personal choice and taste of sound, before we jump into any conclusion lets see how these pedal board differs in terms of features- FEATURES LIST . LINE 6 HELIX HEADRUSH NUMBER OF AMPS NUMBER OF CABS NUMBER OF MICROPHONES NUMBER OF EFFECTS LOAD ADDITIONAL AMPS HAS EXPRESSION PEDAL? HAS BUILD-IN LOOPER? NUMBER OF INPUTS NUMBER OF OUTPUTS NUMBER OF XLR OUTPUTS NUMBER OF SEND/RETURN HAS HEADPHONES OUTPUT? HAS DIGITAL OUTPUT? HAS MIDI I/O? HAS LCD SCREEN? DIMENSION WEIGHT MULTI-MIC SUPPORT NUMBER OF PRESETS NUMBER OF IMPULSE RESPONSE SAMPLE RATE 62 Amps 37 Cabs 16 Microphones