Acoustic exclusive design

Built-in 80+ acoustic instrument effects including 35 new developed effects.It provides an acoustic instrument with a beautiful, glamorous color and a novel sound approach.

Optimal tone for each instrument

The "A1 FOUR" / "A1X FOUR" is compatible with all acoustic instruments, but especially for acoustic guitars, saxophons, trumpets, violins, harmonicas, and woodbases have special boiled effects.

You can play your fingers and pick them up

From finger picking suitable for blues and lagtimes, to picking shots such as forks and countries and "unplugged" sound for stage playing, it has built in presets for optimal genre/style.

Reproduces body sounds.

It feels like the microphone is standing up.The acoustic remodeling function reproduces the unique sound of an acoustic guitar that is lost by passing through the pickup is now easier to use.

First, select AG MODEL (such as D-28) according to your guitar from 15 different factory presets.Each AG MODEL captures the acoustic properties unique to each guitar using IR (Impulse Response) technology to replicate the body sounds instantly.Next, you can brush up guitar sound by adjusting the volume and tone with 4 parameters (GAIN / BASS / MID / TREBLE).

In addition, you can set pickup select (AG PU SEL) for optimal signal processing according to the characteristics of the pickup, and choose between piezo or magnetic.The popular EQ pedals are also built in modeling effects for acoustic instruments, so you can make sound makeup with attention to detail.

Give your saxophone a new soundscape.

From the grow of rocks and roll saxophone to the smooth and mellow jazz fusion saxophone with thick chorus stacked with a preset that expands the possibility of sax play.The newly boiled chorus "SaxChorus", which has been specially made for saxophone, has a slightly shifting pitch to create a beautiful chorus effect without the feeling of sound vibration.In addition, it has a built-in 7-band EQ and comp tuned specifically for saxophone and allows you to correct sound quality and dynamics without compromising the acoustic sound of your wind instrument even if you pass through the microphone at live or the like.

Blows Trumpet Cool

Just like the coolest emperor, you can blow out the effect of an exciting trumpet.Bring inspiration to your trumpet, from spicy sound of electric jazz to funky auto wow sounds.The newly developed trumpet dedicated pedal wow maintains resonance properties and sufficient low end optimized for trumpets frequency characteristics, providing thick wow sound without slimming.

Make Violin Solo Your Orchestra

From rich, heavy string symbolies to rough distressing metal tones.Designed specifically for the violin, it has a built-in 7-band EQ, Auto-Wow, Detune Chorus, and Distortion. It can be treated with Comp & EQ treatment, or sound makeup for dramatic and gorgeous solo performance.

For harmonica to add more soul.

Play blues in a punch mid-range or explore your own original sound.Bring a new breeze to harmonica sound and have never been more fun.

Choose the preset patches "Hm StevieW" to use chorus that matches the acoustic properties of chromatic harmonica and deliver that glittering and expansive signature sound that is heard from many popular songs.

In addition, it has a built-in modeling effect of the famous "Green Valet" which is known as a harmonica microphone. Simply select the preset patch "Hm Juke" to recreate the warm tone of the bullet microphone.

Take the wood base to a new heights

The acoustic remodeling reproduces the sound of the body, so even if you pick up the sound from a pickup, it reproduces the soft high and rich low range that the wood base can only be achieved.Add an octave, correct piezo tone, and the 7-band EQ for base-specific features create wood-based sound in any style, from classic to rockabilly.

More versatile with Guitar Lab

The graphical UI is compatible with the "Guitar Lab" app for PC/Mac that allows you to edit/sort/backup effects and patches in one stop.You can add amplifier models, effects and patches that are delivered online at any time to explore new effects combinations and settings.

Microphone Adapter

The standard included microphone adapter (MAA-1) works with dynamic and condenser microphones that require a phantom power source.This allows you to apply effects to any acoustic instrument.With GAIN volume, you can easily adjust the input level.

For live play

Two modes for live playing.

MEMORY mode (preselect function) allows you to switch to a patch of a distance number while still retaining the current patches tone.You can switch it without any extra sound until you select the desired patch.In STOMP mode, the individual effects in the patch can be turned on and off freely with the foot switch.

It also features output EQ to adjust the overall sound quality, and the four knobs on the top panel allow you to instantly correct tone according to the playing environment.

Reduce Feedback

The anti-feedback effect automatically detects the frequency that causes feedback and cuts the bandwidth into a pinpoint with a steep filter.Quickly and effectively eliminate feedback that can occur from live acoustic instruments while minimizing sound quality changes.

Drum & Percussion

Built-in 68 rhythm patterns including acoustic patterns such as cajon and latin percussions.You can enjoy playing instruments according to the rhythm of rocks, pops, jazz, samba, reggae, etc.

Looper function

Looper function up to 30 seconds for syncing with the built-in rhythm machine.Overdubbed phrases with effects for loop performance from backing to solo.You can also switch the position of the looper before the effect and loop the sound once played so you can make the sound based on the loop-played phrase without disturbing the sound of the acoustic instrument.