| | Stadium XL Floor | Stadium | Helix Floor | Helix LT |
| Amp Models (Channels) | 134 (152) | 134 (152) | 112 | 112 |
| Cabs | 46 | 46 | 87 | 87 |
| Effect models | 274 | 274 | 274 | 274 |
| Presets | 512 (128 dynamic setlists x 32 banks
x 4 presets, multiple backups to card) | 512 (128 dynamic setlists x 32 banks
x 4 presets, multiple backups to card) | 1,024 (8 setlists x 32 banks x 4 presets) | 1,024 (8 setlists x 32 banks x 4 presets) |
| Simultaneous FX Blocks | Up to 48 (DSP permitting) | Up to 48 (DSP permitting) | Up to 32 (DSP permitting) | Up to 32 (DSP permitting) |
| Signal Flow Options | Up to 4 stereo, serial or parallel,
multiple splits/merges per path | Up to 4 stereo, serial or parallel,
multiple splits/merges per path | Up to 4 stereo,
serial or parallel | Up to 4 stereo,
serial or parallel |
| Snapshots | 8 per preset | 8 per preset | 8 per preset | 8 per preset |
| Impulse Responses (IRs) | Thousands, freely organizable
in nested folders | Thousands, freely organizable
in nested folders | 128x 1024 or 2048-point | 128x 1024 or 2048-point |
| Global EQ | 3 (1/4", XLR, Phones; 5 fully parametric
+low & high cut w/ variable slopes) | 3 (1/4", XLR, Phones; 5 fully parametric
+ low & high cut w/ variable slopes) | 1 (3 fully parametric
+ variable low & high cut) | 1 (3 fully parametric
+ variable low & high cut) |
| Looper Types | Deluxe, 1 Switch, Shuffling | Deluxe, 1 Switch, Shuffling | 6 Switch, 1 Switch, Shuffling | 6 Switch, 1 Switch, Shuffling |
| Looper Memory (Full Speed) | 120 sec mono/60 sec stereo | 120 sec mono/60 sec stereo | 60 sec mono/30 sec stereo | 60 sec mono/30 sec stereo |
| Looper Memory (1/2 Speed) | 240 sec mono/120 sec stereo | 240 sec mono/120 sec stereo | 120 sec mono/60 sec stereo | 120 sec mono/60 sec stereo |
| Remote Control | Showcase, Command Center | Showcase, Command Center | Command Center | Command Center |
| 1/4” Inputs | 7: Instrument 1, Instrument 2,
Return 1-2, Return 3-4/Aux In | 4: Instrument, Return 1-2/Aux In | 6: Guitar, Aux, Return 1-4 | 3: Guitar, Return 1-2 |
| Variable Impedance Input | Instrument In 1, Instrument In 2 | Instrument In | Guitar In | Guitar In |
| Effect Loop(s) | 4x Send, 4x Return,
stereo linkable | 2x Send, 2x Return, stereo linkable | 4x Send, 4x Return,
stereo-linkable | 2x Send, 2x Return,
stereo-linkable |
| 1/4” Outputs | Main L/R, Send 1-2 | Main L/R, Send 1-2 | Main L/R, Send 1-4 | Main L/R, Send 1-2 |
| XLR Inputs | Mic pre w/ phantom power | Mic pre w/ phantom power | Mic pre w/phantom power | — |
| XLR Outputs | Main L/R | Main L/R | Main L/R | Main L/R |
| Digital In | Nexus, S/PDIF | Nexus, S/PDIF | Variax VDI, S/PDIF | Variax VDI |
| Digital Out | Nexus, S/PDIF | Nexus, S/PDIF | S/PDIF, AES/EBU/L6 LINK™ | S/PDIF, AES/EBU/L6 LINK™ |
| Headphones | 1/4" stereo | 1/4" stereo | 1/4" stereo | 1/4" stereo |
| MIDI | In, Out/Thru + USB | In, Out/Thru + USB | In, Out/Thru + USB | In, Out/Thru + USB |
| USB | USB C, USB A | USB C, USB A | USB B | — |
| USB Audio Interface | 8-in, 8-Out w/ Re-amping | 8-in, 8-Out w/ Re-amping | 8-In, 8-Out With Re-Amping | 8-In, 8-Out With Re-Amping |
| 1/4" Exp Pedal Inputs | Up to 4 | Up to 2 | EXP 2, EXP 3 | EXP 2 (shared w/ Amp-
Control Out 1/2) |
| External Amp Control Outputs | Up to 4 | Up to 2 | 2 (1=Tip, 2=Ring) | 2 (1=Tip, 2=Ring; Shared with
EXP 2; Globally Selectable) |
| Main Display (in/cm) | 8/20.3 touchscreen LCD | 8/20.3 touchscreen LCD | 6.2/16.5 (Color) | 6.2/16.5 (Color) |
| Scribble Strip LCDs | 12x 1.75"/4.45cm OLEDs | — | 13 x 2”/5cm | — |
| Footswitches | 12 capacitive touch w/ RGB rings
+EXP toe switch + up to 4 external | 12 capacitive touch w/ RGB rings
+ EXP toe switch + up to 2 external | 12 capacitive touch w/ RGB rings + EXP toe switch | 12 capacitive touch w/ RGB rings + EXP toe switch |
| Memory card | micro SD (32GB preinstalled, removeable) | micro SD (32GB preinstalled, removeable) | — | — |
| Product Height | 3.6in/9.2cm | 3.2in/8.2cm | 3.8in/9.6cm | 3.61in/9.2cm |
| Product Width | 19.4in/49.2cm | 16in/40.8cm | 22.05in/56.0cm | 20.86in/53.0cm |
| Product Depth | 10.1in/25.7cm | 9.5in/24.1cm | 11.87in/30.1cm | 11.87in/30.1cm |
| Product Weight | 11.5lb/5.25kg | 7.5lb/3.4kg | 14.6lb/6.6kg | 12lb/5.4kg |
