Supports up to 4 external expression pedals

Buy at www.musicianscart.com Line 6 Helix Stadium XL Floor Amp Modeler and FX Processor 990602804,Precise expression pedal with toe switch,12 OLED Scribble Strips,2 variable impedance instrument inputs 126+ dB dynamic range,XLR mic preamp 128 dB dynamic range,S/PDIF in/out,Supports up to 4 effects loops featuring 120+ dB dynamic range,Supports up to 4 external expression pedals,Supports up to 4 external amp control outs,Supports up to 4 drum trigger inputs,Nexus™ port for optional Expand D10 unit and future peripherals,USB-C USB-A and removable 32GB microSD storage,Robust internal power supply (IEC),Dual-piece extruded aluminum top chassis with folded steel baseplate