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Zoom A1 Four & Zoom A1X Four - for Acoustic Guitar, Saxophone, Trumpet, Violin, Harmonica, Acoustic Bass & More!
Thanks to specially developed effects, an internal looper, and a drum machine, the A1/A1X FOUR is the go-to multi-effect processor for a wide range of acoustic string and wind instruments.
Extraordinary Effects
The A1/A1X FOUR comes with over 80 effects out of the box—including 35 new and groundbreaking effects designed specifically for acoustic instruments.
X Stands for Extra Xpression
The A1X FOUR features eight additional effects where parameters like volume, pitch, reverb, delay, and wah can be controlled via the built-in pedal.

Choose Your Instrument: Acoustic Guitar, Saxophone, Trumpet, Violin, Harmonica or Acoustic Bass
Unleash Your Acoustic Guitar’s Potential
Enhance your guitar with a variety of expressive, warm-sounding tone options. The range spans from an "unplugged" live sound to the fingerpicking style typical of country and blues. Thanks to stunning effects and acoustic guitar modeling, you’ll explore completely new sonic territory with your instrument.
Acoustic Guitar Modeling
With emulations and modeling options, you add acoustic depth and size to your instrument. Breathe new life into your instrument’s natural sound so your live performances sound just like your studio recordings. Select the body shape and type of your favorite guitar and then fine-tune the sound to your personal taste.
With the A1/A1X FOUR, you can shape your acoustic guitar’s tone more easily than ever. Choose your preferred AG MODEL (e.g., D-28) from 15 factory presets (plus 13 more presets available for free download via Guitar Lab) and play with the characteristic sound typical for that body shape.
The acoustic fingerprints of all guitar shapes and bodies available in the A1/A1X FOUR and via Guitar Lab were captured using IR technology (Impulse Response). For each AG MODEL, you can optimize output volume and tone via four parameters (gain, bass, mid, treble).
In patches, you can tailor the effect to your pickup type (piezo or magnetic) via the AG Pickup Selection (AG PU SEL) and add an EQ modeled after special processors.
Take Your Saxophone to Completely New Sound Worlds
Maybe you prefer that gritty, rock’n’roll-typical growling sax sound. Or use a thick chorus effect to mimic the characteristic tone of fusion jazz. The A1/A1X Four opens up unexpected sonic landscapes for saxophonists.
The brand-new "SaxChorus" effect creates natural-sounding doubling and delivers a particularly rich response thanks to subtle modulation originally developed for electric guitars. Thanks to preset EQ and compressor settings, your saxophone retains its warm acoustic tone even when miked.
Send Your Trumpet Back to the Future
From the brilliant sound of electric jazz to our signature auto-wah effect, the A1/A1X Four has the perfect inspiration for every music style. The "Tp MD70" preset patch tunes the pedal wah sound and adapts resonance to the trumpet’s bass range and envelope curve.
Turn Your Violin Into a Full Orchestra
From the full, expressive sound of a string symphony to raw distortion power in metal—the A1/A1X FOUR offers effects for every genre.
More Character and Soul for Your Harp
Play with the powerful, midrange sound of a blues harp or experiment with your own new tones. It’s never been this fun to breathe new life into your harmonica.
Play the famous harmonica sound with the "Hm StevieW" preset patch, where the chorus effect is perfectly tuned to the response of a chromatic harmonica.
The A1/A1X Four also includes a truly authentic simulation of the bullet microphone, known among harp players as the "Green Bullet." Select the "Hm Juke" preset patch to give any conventional microphone the legendary warm, amplified sound of the Green Bullet.
New Possibilities for Your Double Bass
With its defined bass and powerful highs, the A1/A1X Four offers maximum control and flexibility for all music styles from classical to rockabilly. Add octave layers, choose a piezo effect, or create your personal signature sounds.
The Technology
Popular effects like distortion, chorus, and wah are designed for use with electric guitars. The A1/A1X FOUR, however, offers completely new effects developed specifically for the unique signal structure of acoustic instruments.
For example, with a saxophone or trumpet, the acoustic sound is controlled by how strongly the player blows into the instrument. The wah effects in the A1/A1X FOUR have therefore been extended with a low-pass filter (LPF) to optimally tailor the frequency range for each instrument. This allows musicians to play with maximum expression while blowing normally into their instrument: the desired tonal impression during attack and release phases is always preserved.
Another example is the violin: a violinist controls expression via bowing technique. To maintain this expression even with extreme distortion effects, the DIST effect for violin shifts clipping up an octave and boosts highs while lowering bass components. This creates a balanced saturation perfectly matched to the violin’s tonal character.
Support for Guitar Lab
With the free ZOOM Guitar Lab software, you explore a whole universe of patches and effects. Thanks to the ability to edit effects and create patches for acoustic instruments, you can create endless combinations and experiment freely.
The Perfect Partner
The Zoom MAA-1 microphone adapter ensures hassle-free connection to the A1/A1X FOUR. It’s designed for dynamic microphones but can also supply phantom power for condenser mics. Add effects to any acoustic instrument and control gain easily with the MAA-1’s intuitive controls.
Maximum Control Over Your Performance
In the two performance modes, you switch seamlessly between patches and effects. In MEMORY mode, you can program your entire setlist and then jump easily from patch to patch. In STOMP mode, you can turn individual effects on or off with your foot.
No More Feedback
The anti-feedback filter detects and eliminates frequencies that might cause feedback.
Drums & Percussion Integrated
Choose from 68 rhythm patterns programmed for acoustic music styles like samba, reggae, and jazz. Set the desired time signature and jam along.
In the Loop
The built-in looper can record up to 30 seconds, letting you create dynamic arrangements from multiple parts.
Instrument Cables
The Stage INST cables are professional guitar/instrument cables with high-quality jack plugs and gold-plated tips. This ensures low conductor capacitance and excellent audio transmission.
The First Effect Pedal for Acoustic Musicians—Whether String or Wind Instrument!
Features
A1X FOUR
- Over 90 built-in effects
- Effects optimized specifically for acoustic guitar, saxophone, trumpet, violin, and harmonica
- Use up to five effects simultaneously in any order
- 50 memory slots for creating custom patches
- Looper for recording audio material up to 30 seconds / 64 beats in CD quality with inaudible start and end points
- ZOOM Guitar Lab software for creating, editing, and managing effects and patches
- 68 built-in rhythm patterns optimized for acoustic music styles, also usable in combination with the looper
- Integrated chromatic tuner supports all common guitar tunings including open and drop tunings
- Output jacks for connecting to an amplifier or headphones
- The A1 FOUR and A1X FOUR models can be powered by four AA batteries (18 hours runtime with alkaline batteries); the MAA-1 requires two AA batteries
- USB port for firmware updates, power supply, and connection to ZOOM Guitar Lab
Cable
- Professional guitar/instrument cable
- Ideal as a connection cable between effect devices, etc.
- Plugs: 6.3 mm jack ⇒ 6.3 mm jack
- Length: 6 m
- Jacket color: black
- Oxygen-free copper
- High-density copper shielding
- Flexible and durable outer jacket
- Hand-soldered plugs
- Acid- and oil-resistant
- Strain relief with clamping sleeve
- Low conductor capacitance
- Gold-plated plug tips
Scope of delivery
- 1 x Zoom A1X FOUR
- 1 x Cable
Specification
- Product number 00064556
- Colour Black
Reviews
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Financing
ConsorsFinanz Finanzierung
- 6 to 72 months term
- 0% financing for 12,30 € per month
- More information on financing
| 3 Year warranty | |
| 30 Day Money Back | |
| Price Match Guarantee | |
| Over 2.000.000 satisfied customers |
The hotline is currently not manned. You can reach us again on Wednesday, 20.05.2026 at 09:30.
| Wednesday | 09:30 - 18:00 | |
| Thursday | 09:30 - 18:00 | |
| Friday | 09:30 - 18:00 | |
| Saturday | 09:30 - 13:30 | |
| Monday | Closed |
Different opening times |
| Tuesday | 09:30 - 18:00 |













