devices · HX Effects · reference · levels

levels

Two settings in a global menu decide whether the HX Effects sounds like the demo or sounds broken. Neither is a tone control.
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sound
firmware
HX Effects 3.80
Why this page exists

A thin, quiet, harsh or fizzy sound usually comes down to two settings, and neither is a tone control. One is what you told the box your instrument is. The other is what you told it your speakers are. Get both right and the preset that sounded broken sounds like the demo.

HX Effects 3.80 Owner's Manual

first, tell it what you plugged the outputs into

Global Settings > Ins/Outs, page 1, Knob 2: Output Level. When you feed a single amp or a single mixer channel, connect only the LEFT/MONO jack. A mono rig cabled from the RIGHT jack alone loses half your signal.

Output Level
Stompboxes, or the front of a guitar amp
Inst
The guitar input of a stompbox or another multi-effect
Inst
A mixer, or a standalone recorder
Line
A four-cable-method rig into a line-level return
Line
HX Effects 3.80 Owner's Manual

then tell it what you plugged in

Global Settings > Ins/Outs, page 1, Knob 1: Input Level. Instrument for a guitar, a bass or stompboxes. Line for anything that arrives at line level.

Input Level
A guitar or bass with passive pickups, or stompboxes
Inst
A guitar or bass with very loud active pickups
Inst or Line, by ear
A synth, drum machine, or the sends from a mixer
Line

Distortion that shows up on loud notes and disappears on quiet ones is clipping, not an effect misbehaving. Turn the input down before you reach for a tone control.

The rest of it

both effects loops have the same choice

Send/Return 1 is on page 1 and Send/Return 2 on page 2, each set to Instrument or Line independently. Instrument for a loop of stompboxes, Line for line-level rack processors. If an external pedal sounds weak or distorted in a rig that is otherwise fine, check this setting first.

no Global EQ on this one

The bigger Helix boxes carry a Global EQ for compensating on the day. The HX Effects does not. Fix a room in a preset, or on whatever it is plugged into.

watch the block levels too

Every block has its own Level parameter, and Line 6's advice is to leave it at 0.0 dB on most of them. Nudge three or four in a row and the output can clip while each setting still looks reasonable.

HX Effects 3.80 Owner's Manual
If it still sounds wrong

Levels are half of it. The other half is the cab block: on into anything full-range, off into anything that ends in a real guitar speaker. With both right, little else can make it sound broken.

Rig setup—cabling and the cab block, per rig

gridleak presets don't install on HX Effects yet. the amps are all in the catalog.

the catalog →