The Line 6 Helix™ Rack is a tour-grade, rack-mounted guitar processor featuring a powerful dual DSP HX Modeling engine with 4 stereo signal paths, 45 amps, 30 cabs, 16 mics, and 72 effects. It supports 3rd party cab IRs and offers an expansive 6.2” high-res LCD for easy navigation. With extensive I/O including 10 inputs, 12 outputs, 4 FX loops, 8-in/8-out USB audio interface, AES/EBU, SPDIF, and Wordclock sync, it seamlessly integrates into any rig. Deep MIDI control, expression pedal support, and external amp switching make Helix Rack a master controller for studio and stage.
At-a-Glance Highlights
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Dual DSP HX Modeling with 4 discrete stereo signal paths
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45 amps, 30 cabs, 16 mics, and 72 effects, plus 3rd party cab IR support
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Large 6.2” 800x480 LCD display for intuitive control
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Extensive I/O: 10 inputs, 12 outputs, 4 FX loops, AES/EBU, SPDIF, USB audio
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Up to 3 expression pedals, CV out, external amp switching, and MIDI control
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Tour-grade 3RU rack enclosure with optional foot controller
Audio & Processing
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Amp Models: 93
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Effect Models: 266
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Presets: 1,024 total (8 setlists × 32 banks × 4 presets)
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Simultaneous Processing Blocks: Up to 32 (DSP permitting)
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Signal Flow Options: Up to 4 stereo chains — serial or parallel
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Snapshots: 8 per preset
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Impulse Responses (IRs): 128 IRs, 1024 or 2048 points
EQ & Display
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Global EQ Bands: 3 fully parametric + variable low & high cut
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Main Display: 6.2” (16.5 cm), color
Controls & Footswitches
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Footswitches: 12 capacitive touch with RGB rings
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Footswitch Modes: Stomp, Preset, Snapshot, Looper, Pedal Edit
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Footswitch Types: Latching and Momentary
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Looper Types: 6-switch, 1-switch, and shuffling
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Looper Memory:
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Full speed: 60 sec mono / 30 sec stereo
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Half speed: 120 sec mono / 60 sec stereo
Inputs & Outputs
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1/4" Inputs: Guitar, Aux, Return 1-4
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1/4" Outputs: Main L/R, Send 1-4
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XLR Inputs: Mic preamp with phantom power
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XLR Outputs: Main L/R
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Effect Loops: 4 send / 4 return, stereo-linkable
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Digital In: Variax VDI, S/PDIF, AES/EBU with BNC word clock
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Digital Out: S/PDIF, AES/EBU, L6 LINK™
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Headphones: 1/4" stereo jack
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MIDI: In, Out/Thru + USB
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USB Audio Interface: 8 in / 8 out with re-amping
Control & Expansion
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Master Remote Control: Command Center
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Variable Impedance Circuitry: Guitar input
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1/4" Expression Pedal Inputs: EXP 1, EXP 2, EXP 3, EXP Toe Switch
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External Amp Control Outputs: 2 (Tip, Ring)
Build & Physical
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Chassis: Rack section: cast aluminum and bent steel; Control section: bent steel with ABS side panels
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Treadle: Not included
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Scribble Strip LCDs: 12 x 2” (5 cm)
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Power Supply: IEC
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Dimensions (HxWxD): 5.25" × 19" × 9.5" (133 mm × 483 mm × 241 mm)
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Weight: 9.3 lbs (4.2 kg)
