Zoom A1X Four Effect Types and Parameters

Multi-Effects Processor

Effect Types and Parameters

© 2019 ZOOM CORPORATION

Manufacturer names and product names are trademarks or registered trademarks of their respective owners. The names are used only to illustrate

sonic characteristics and do not indicate any affiliation with the Zoom Corporation.

Effect explanation overview

Guitar Lab additional effects

Effect type Effect explanation Parameter range

PDL Delay The expression pedal controls the delay input level of this effect.

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InLvl Adjusts the delay input level. 0 – 100 P

Time Sets the delay time. 1 – 3000

F. B Adjusts the feedback amount. 0 – 100

Mix Adjusts the amount of effected sound that is mixed with the original sound. 0 – 100

Parameter explanation

Effect Screen

Parameter

Pedal control possible icon

Tempo synchronization possible icon

Contents

DYNAMICS

FILTER

DRIVE

AMP

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CABINET

MODULATION

SFX

DELAY

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REVERB

PEDAL

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AG MODEL

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Additional tables

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Effect Types and Parameters

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[ DYNAMICS ]

Comp This compressor in the style of the MXR Dyna Comp.

Sense Adjusts the sensitivity of the effect.

ATTCK Sets compressor attack speed to Fast or Slow.

Tone Adjusts the tone.

VOL Adjusts the volume.

RackComp This compressor allows more detailed adjustment than Comp.

THRSH Sets the level that activates the compressor. 0 – 50

Ratio Adjusts the compression ratio. 1 – 10

ATTCK Sets compressor attack speed. 1 – 10

VOL Adjusts the volume. 0 – 100

SlowATTCK This effect slows the attack of each note, resulting in a violin-like performance.

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ZNR

Time Adjusts the attack time. 1 – 50

Curve Set the curve of volume change during attack. 0 – 10

Tone Adjusts the tone. 0 – 100

VOL Adjusts the volume. 0 – 100

ZOOM's unique noise reduction cuts noise during pauses in playing without affecting
the tone.

DETCT Sets control signal detection level.

Depth Sets the depth of noise reduction. 0 – 100

THRSH Adjusts the effect sensitivity. 0 – 100

Decay Adjust the envelope release. 0 – 100

MuteSW This effect allows you to mute the volume using the foot switch.

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Edge

Speed Adjust the recovery time from muting. 0 – 100

INVRT Sets the foot switch control direction.

ON/OFF

Sets how smoothly the volume changes. As the parameter value increases, the change
becomes smoother.

Sets the foot switch function.

GrayComp This models a ROSS Compressor. Added parameters allow you to adjust the tone.

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SUSTN Adjusts the sustain. 0 – 100

Lo Adjusts volume of low frequencies. 0 – 100

Hi Adjusts volume of high frequencies. 0 – 100

VOL Adjusts the volume. 0 – 100

NoiseGate This is a noise gate that cuts the sound during playing pauses.

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DETCT Sets control signal detection level. GTRIN, EFXIN

Depth Sets the depth of noise reduction. 0 – 100

THRSH Adjusts the effect sensitivity. 0 – 100

Decay Adjust the envelope release. 0 – 100

OptComp This is an optical compressor.

Drive Adjusts the depth of the compression. 0 – 10

Lo Adjusts volume of low frequencies. 0 – 100

Hi Adjusts volume of high frequencies. 0 – 100

VOL Adjusts the volume. 0 – 100

0 –10

SLOW, FAST

0 – 10

0 – 100

GTRIN,
EFXIN

0 – 100

NORMAL,
INVERT

LATCH,
UnLATCH,
TRGGR

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Effect Types and Parameters

[ DYNAMICS ]

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A1X

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BlackOpt

★

This is a simulation of the Demeter COMP-1 Compulator.
Added parameters allow you to adjust the tone.

Comp Adjusts the depth of the compression. 0 – 100

Lo Adjusts volume of low frequencies. 0 – 100

Hi Adjusts volume of high frequencies. 0 – 100

VOL

Adjusts the volume. 0 – 100

LMT-76 This is a simulation of the UREI 1176LN.

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Input Adjusts the input level. 0 – 80

Ratio Adjusts the compression ratio.

REL This is a limiter that suppresses signal peaks above a certain reference level. 10 – 70

Output

Adjusts the output level. 0 – 80

160 Comp This compressor is in the style of the dbx 160A.

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DualComp

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THRSH Adjusts the threshold that determines when the effect is activated. -60 – 0

Ratio Adjusts the compression ratio. 1.0 – 10.0

Knee Sets the type of knee. SOFT, HARD

VOL

Adjusts the volume. 0 – 100

This is a compressor which allows separate settings for the low frequency and high
frequency range.

FREQ Adjusts the crossover point between the high frequency and low frequency range. 300 – 1.5k

LoCMP Adjusts the compression depth in the low frequency range. 0 – 50

HiCMP Adjusts the compression depth in the high frequency range. 0 – 50

VOL

Adjusts the volume. 0 – 100

MB Comp This is a simulation of the MultiComp (MODE:MB).

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DYN Comp

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Glam Comp

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Adv.NR

Comp Adjusts the depth of the compression. 0 – 100

LoTHR Adjusts the threshold that triggers the low-frequency effect. 0 – 100

HiTHR Adjusts the threshold that triggers the high-frequency effect. 0 – 100

VOL

Adjusts the volume. 0 – 100

This is a simulation of the MXR Dyna Comp.
Added parameters allow you to adjust the tone and the compressor attack speed.

Sense Adjusts the sensitivity of the effect. 0 – 10

ATTCK Sets compressor attack speed to FAST or SLOW. SLOW, FAST

Tone Adjusts the tone. 0 – 100

VOL

Adjusts the volume. 0 – 100

This compressor becomes a glamorous tone as increasing the Shape parameter.
Also, you can mix the original sound.

Comp Adjusts the depth of the compression. 0 – 100

Shape Emphasizes high and low frequencies. 0 – 10

VOL Adjusts the volume. 0 – 100

DryMx

Adjusts the volume of the unaffected sound. 0 – 100

This noise reduction naturally suppresses noise when not playing.

THRSH Adjust the threshold that triggers the effect. 0 – 100

ATTCK Adjust the speed that it starts. 0 – 100

Hold

Decay Adjust the decay time. 0 – 100

Adjust the time that noise reduction continues to operate after the control signal goes below
the threshold value.

4:1, 8:1, 12:1,
20:1

0 – 100

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Effect Types and Parameters

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A1X

[ FILTER ]

AutoWah This effect varies wah in accordance with picking intensity.

Mode Sets direction of movement of the filter. DOWN, UP

Sense Adjusts the sensitivity of the effect. 1 – 10

RESO Sets effect resonance. 0 – 10

VOL Adjusts the volume. 0 – 100

Resonance This effect varies the resonance filter frequency according to picking intensity.

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Cry This effect varies the sound like a talking modulator.

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SeqFLTR The sequence filter has the flavor of a Z.Vex Seek-Wah.

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Gt GEQ This mono graphic equalizer has 6 bands that suit guitar frequencies.

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Gt GEQ7 This mono graphic equalizer has 7 bands that suit guitar frequencies.

St Gt GEQ This stereo graphic equalizer has 6 bands that suit guitar frequencies.

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Mode Sets direction of movement of the filter. DOWN, UP

Sense Adjusts the sensitivity of the effect. 1 – 10

RESO Sets effect resonance. 0 – 10

VOL Adjusts the volume. 0 – 100

Range Adjusts the frequency range processed by the effect. 1 – 10

RESO Sets effect resonance. 0 – 10

Sense Adjusts the sensitivity of the effect.

BAL Adjusts the balance between original and effect sounds. 0 – 100

Step Adjusts number of sequence steps. 2 – 8

PTTRN Sets effect pattern. 1 – 8

Speed Sets the speed of the modulation. 1 – 50

RESO Sets effect resonance. 0 – 10

160 Adjust to boost or cut 160 Hz. -12 – 12

400 Adjust to boost or cut 400 Hz. -12 – 12

800 Adjust to boost or cut 800 Hz. -12 – 12

3.2k Adjust to boost or cut 3.2k Hz. -12 – 12

6.4k Adjust to boost or cut 6.4k Hz. -12 – 12

12k Adjust to boost or cut 12k Hz. -12 – 12

VOL Adjusts the volume. 0 – 100

100 Adjust to boost or cut 100 Hz. -12 – 12

200 Adjust to boost or cut 200 Hz. -12 – 12

400 Adjust to boost or cut 400 Hz. -12 – 12

800 Adjust to boost or cut 800 Hz. -12 – 12

1.6k Adjust to boost or cut 1.6k Hz. -12 – 12

3.2k Adjust to boost or cut 3.2k Hz. -12 – 12

6.4k Adjust to boost or cut 6.4k Hz. -12 – 12

VOL Adjusts the volume. 0 – 100

160 Adjust to boost or cut 160 Hz. -12 – 12

400 Adjust to boost or cut 400 Hz. -12 – 12

800 Adjust to boost or cut 800 Hz. -12 – 12

3.2k Adjust to boost or cut 3.2k Hz. -12 – 12

6.4k Adjust to boost or cut 6.4k Hz. -12 – 12

12k Adjust to boost or cut 12k Hz. -12 – 12

VOL Adjusts the volume. 0 – 100

-10 – -1,
1 – 10

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Effect Types and Parameters

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[ FILTER ]

ParaEQ This is a 1-band parametric equalizer.

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ParaEQx2

RndmFLTR This filter effect changes character randomly.

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LowPassFL This effect varies the low pass filter frequency according to picking intensity.

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Exciter This exciter enables flexible control.

Step This special effect gives the sound a stepped quality.

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LFO FLTR This filter effect changes tone characteristics cyclically.

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AG PU SEL

FREQ Sets the frequency of the equalizer. 20 – 20k

Q Adjusts equalizer Q. 0.5 – 16

Gain Adjusts the gain. -12 – 12

VOL Adjusts the volume. 0 – 100

This is a 2-band parametric equalizer.

Freq1 Adjust the center frequency of EQ 1. 20 – 20k

Q1 Adjust the Q of EQ 1. 0.5 – 16

Gain1 Adjust the gain of EQ 1. -12 – 12

Freq2 Adjust the center frequency of EQ 2. 20 – 20k

Q2 Adjust the Q of EQ 2. 0.5 – 16

Gain2 Adjust the gain of EQ 2. -12 – 12

Level Adjust the volume. 0 – 100

Type Sets filter type. HPF, LPF

Speed Sets the speed of the modulation. 1 – 50

BAL Adjusts the balance between original and effect sounds. 0 – 100

VOL Adjusts the volume. 0 – 100

FREQ Sets minimum frequency of low pass filter. 0 – 100

Sense Adjusts the sensitivity of the effect.

RESO Sets effect resonance. 2P-10 – 4P-10

BAL Adjusts the balance between original and effect sounds. 0 – 100

Bass Adjusts the amount of low-frequency phase correction. 0 – 100

Treble Adjusts the amount of high-frequency phase correction. 0 – 100

VOL Adjusts the volume. 0 – 100

ON/OFF

Depth Sets the depth of the modulation. 0 – 100

Rate Sets the speed of the modulation. 0 – 50

RESO Sets effect resonance. 0 – 10

Shape Adjusts the effect envelope. 0 – 10

Depth Sets the depth of the modulation. 0 – 100

Rate Sets the speed of the modulation. 1 – 50

RESO Sets effect resonance. 0 – 10

Wave Sets the modulation waveform.

Sets the foot switch function.

This effect adjusts the tone according to the type of acoustic guitar pickup.

FOUR

FST100 –
SLW100

LATCH,
UnLATCH

SINE, TRI,
SAWUP,
SAWDN

Type Select the type of pickup used.

PIEZO,
MAGNET

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Effect Types and Parameters

[ FILTER ]

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BaDePiezo

Fish EQ

Baggs EQ

Bone EQ

This softens the characteristic tone of bass piezo pickups.

Gain Adjust the gain. -6 – +6

Mode Change the tone compensation mode.

LoBst Use to compensate for low frequencies, which are usually lacking when using piezo pickups. 0 – 100

HiCut This suppresses high frequencies, which tend to be unpleasant when using piezo pickups. 0 – 100

This models the EQ of the Fishman ToneDEQ.

Low Adjust the volume of low frequencies. -10 – 10

Mid Adjust the volume of middle frequencies. -10 – 10

Hi Adjust the volume of high frequencies. -10 – 10

Vol Adjust the volume. 0 – 100

This models the EQ of the L.R.Baggs Venue DI.

Bass Adjust the volume of low frequencies. -10 – 10

LMidF Adjust the center frequency of the low-mid frequency equalization. 100 – 500

LoMid Adjust the gain of the low-mid frequency equalization. -10 – 10

HMidF Adjust the center frequency of the high-mid frequency equalization. 500 – 2.50k

HiMid Adjust the gain of the high-mid frequency equalization. -10 – 10

PRSNC Adjust the volume of ultra-high frequencies. -10 – 10

TRBL Adjust the volume of high frequencies. -10 – 10

VOL Adjust the volume. 0 – 100

This models the EQ of the Radial Tonebone PZ-Pre.

Bass Adjust the volume of low frequencies. -10 – 10

Mid F Adjust the center frequency of the mid frequency equalization. 103 – 6.10k

Mid Adjust the gain of the mid frequency equalization. -10 – 10

Hi Adjust the volume of high frequencies. -10 – 10

Ntc Q Adjust the Q of the notch filter.

Notch Adjust the center frequency of the notch filter. 53 – 420

LoCut Set the frequency at which to cut low frequencies.

Vol Adjust the volume. 0 – 100

BassA-Wah You can adjust the mix of this bass guitar auto-wah with the original signal.

Sense Adjusts the sensitivity of the effect. -10 – -1, 1 – 10

RESO Sets effect resonance. 0 – 10

Dry Adjusts the volume of the unaffected sound. 0 – 100

VOL

Adjusts the volume. 0 – 100

Z Tron This is like a Q-Tron Envelope Filter in LP mode.

★

Sense Adjusts the sensitivity of the effect. -10 – -1, 1 – 10

RESO Sets effect resonance. 0 – 10

Dry Adjusts the volume of the unaffected sound. 0 – 100

VOL

Adjusts the volume. 0 – 100

A-Filter This is a resonance filter with a sharp envelope.

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Mode Sets direction of movement of the filter. UP, DOWN

Sense Adjusts the sensitivity of the effect. 1 – 10

Peak Adjusts the Q value of the filter. 0 – 10

Adjusts the volume of the unaffected sound. 0 – 100

Dry

NORMAL,
FAT

BYPA SS,
NORM,
DEEP

BYPA SS,
80, 200

Effect Types and Parameters

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Bass Cry This talking modulator is suitable for the bass frequency range.

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BassGEQ This 7-band graphic equalizer is suitable for the bass frequency range.

St Ba GEQ This stereo graphic equalizer has 7 bands that suit bass guitar frequencies.

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BassPEQ This 1-band parametric equalizer is suitable for the bass frequency range.

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Splitter

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Low EQ Designed for low frequencies, this equalizer allows you to select the type.

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High EQ Designed for high frequencies, this equalizer allows you to select the type.

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Range Adjusts the frequency range processed by the effect. 1 – 10

RESO Sets effect resonance. 0 – 10

Sense Adjusts the sensitivity of the effect. -10 – -1, 1 – 10

BAL

4.5k Adjust to boost or cut 4.5k Hz. -12.0 – 12.0

VOL Adjusts the volume. 0 – 100

4.5k Adjust to boost or cut 4.5k Hz. -12.0 – 12.0

VOL Adjusts the volume. 0 – 100

FREQ Sets the frequency of the equalizer. 20 – 20k

Gain Adjusts the gain. -20.0 – 20.0

VOL

Adjusts the balance between original and effect sounds. 0 – 100

50 Adjust to boost or cut 50 Hz. -12.0 – 12.0

120 Adjust to boost or cut 120 Hz. -12.0 – 12.0

400 Adjust to boost or cut 400 Hz. -12.0 – 12.0

500 Adjust to boost or cut 500 Hz. -12.0 – 12.0

800 Adjust to boost or cut 800 Hz. -12.0 – 12.0

10k Adjust to boost or cut 10k Hz. -12.0 – 12.0

50 Adjust to boost or cut 50 Hz. -12.0 – 12.0

120 Adjust to boost or cut 120 Hz. -12.0 – 12.0

400 Adjust to boost or cut 400 Hz. -12.0 – 12.0

500 Adjust to boost or cut 500 Hz. -12.0 – 12.0

800 Adjust to boost or cut 800 Hz. -12.0 – 12.0

10k Adjust to boost or cut 10k Hz. -12.0 – 12.0

Q Adjusts equalizer Q. 0.5 – 16.0

Adjusts the volume. 0 – 100

This effect divides the signal into two bands (high/low) and lets you freely adjust the
mix ratio of the two bands.

FREQ Adjusts the crossover point between the high frequency and low frequency band. 80 – 2.5k

Lo Adjusts the mix ratio of the low frequency band. 0 – 100

Hi Adjusts the mix ratio of the high frequency band. 0 – 100

VOL

Type Sets filter type. SHELF, HPF

FREQ Sets the frequency of the filter. 20 – 640

Gain

VOL Adjusts the volume. 0 – 100

Type Sets filter type. SHELF, LPF

FREQ Sets the frequency of the filter. 500 – 20k

Gain

VOL Adjusts the volume. 0 – 100

Adjusts the volume. 0 – 100

Adjusts the gain.
This setting is disabled when the Type parameter is set to HPF.

Adjusts the gain.
This setting is disabled when the Type parameter is set to LPF.

A1X

-12.0 – 12.0

-12.0 – 12.0

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Effect Types and Parameters

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[ FILTER ]

EnvFilter This models the MXR envelope filter.

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Hm GEQ This is a seven-band equalizer for harmonica.

Hm A.Wah This is an auto wah for harmonica.

Hm Preamp Preamp for Hamonica.

Hm Bullet This effect changes the sound of a vocal mic to be like the sound of a bullet mic.

A.Vn GEQ This is a seven-band equalizer for violin.

E.Vn GEQ This is a seven-band equalizer for electric violin.

THRSH Adjusts the effect sensitivity. 0 – 100

ATTCK Adjusts the attack speed. 0 – 100

Mode Sets direction of movement of the filter. UP, DOWN

VOL Adjusts the volume. 0 – 100

60 Adjust to boost or cut 60 Hz. -12 – 12

250 Adjust to boost or cut 250 Hz. -12 – 12

400 Adjust to boost or cut 400 Hz. -12 – 12

700 Adjust to boost or cut 700 Hz. -12 – 12

1.0k Adjust to boost or cut 1.0k Hz. -12 – 12

2.0k Adjust to boost or cut 2.0k Hz. -12 – 12

4.0k Adjust to boost or cut 4.0k Hz. -12 – 12

VOL Adjust the volume. 0 – 100

Sense Adjust the sensitivity of the effect. 1 –10

RESO Set the amount of resonance. 0 –10

Range Adjust the frequency band affected. 0 –100

BAL Adjust the balance of the original and effect sounds. 0 –100

Gain Set the gain. 0 – 100

Low Set the volume of low frequencies. -12 – 12

MID Set the volume of middle frequencies. -12 – 12

Hi Set the volume of high frequencies. -12 – 12

Low Set the volume of low frequencies. -12 – 12

MID Set the volume of middle frequencies. -12 – 12

Hi Set the volume of high frequencies. -12 – 12

VOL Set the volume. 0 – 100

131 Adjust to boost or cut 131 Hz. -12 – 12

270 Adjust to boost or cut 270 Hz. -18 – 18

450 Adjust to boost or cut 450 Hz. -12 – 12

524 Adjust to boost or cut 524 Hz. -12 – 12

1.4k Adjust to boost or cut 1.4k Hz. -12 – 12

3.0k Adjust to boost or cut 3.0k Hz. -12 – 12

6.0k Adjust to boost or cut 6.0k Hz. -12 – 12

VOL Adjust the volume. 0 – 100

131 Adjust to boost or cut 131 Hz. -12 – 12

220 Adjust to boost or cut 220 Hz. -12 – 12

450 4Adjust to boost or cut 450 Hz. -12 – 12

800 Adjust to boost or cut 800 Hz. -12 – 12

2.2k Adjust to boost or cut 2.2k Hz. -12 – 12

3.1k Adjust to boost or cut 3.1k Hz. -12 – 12

7.0k Adjust to boost or cut 7.0k Hz. -12 – 12

VOL Adjust the volume. 0 – 100

FOUR