
Zoom A1 FOUR Acoustic Instrument Multi-Effects Pedal with 80 effects
Zoom A1 FOUR Multi-effect Processor for Acoustic Guitar, Saxophone, Trumpet, Violin, Harmonica, and Acoustic Bass
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Zoom - 'A1 Four'
Acoustic Instrument Multi-Effects Processor

Multi-effect Processor
for Acoustic Instruments
If you’re an adventurous acoustic guitarist, a creative saxophonist, or a violinist who thinks outside the box, Zoom’s ‘A1 Four’ was designed for you. This incredible multi-effects unit is bursting with 80+ effects – including 35 acoustic-optimised effects. There’s more than enough processing power on board, the A1 Four is more than capable of handling up to 5 simultaneous effects.
Zoom’s A1 Four boasts 50 memory locations to save patches you’ve created yourself, and the included ZOOM’s ‘Guitar Lab’ software ensures creating the patches easier than you could even imagine. The A1 Four is more than adept at handling live situations too thanks to dual performance modes, easy mic connections and a feedback limiter/filter. Zoom even managed to squeeze in a drum machine, looper functionality and a tuner too.
It’s quite astonishing what Zoom have managed to do with the A1 Four, if you play an acoustic instrument, beginner or experienced muso, the A1 Four can add some real spice to your playing!
50xPresets
30 secsLooper
80xEffects
key Features
• Dedicated effects for acoustic guitar, saxophone, trumpet, violin, and harmonica
• ZOOM Guitar Lab software for creating, editing and managing effects and patches
• Up to 5 effects can be used simultaneously, chained together in any order
• 50 memory locations for storing user-created patches
• Output jack for connection to amp or headphones
• A1 FOUR offers over 80 built-in effects
Simply Bursting with Almost Endless Potential!

For Acoustic Guitar, Saxophone, Trumpet
Violin, Harmonica,
Acoustic Bass, and MoreWith tailor-made effects, an integrated looper and drum machine. Zoom’s A1 Four is the world’s first multi-effects processor specifically designed for a broad spectrum of acoustic string and wind instruments. The A1 Four can transform any acoustic instrument into something truly unbelievable.
When you perform on stage with the A1 Four, you're sure to make people sit up and notice!
Studio Tone - On Stage!

sound better than ever beforeWith the A1 Four from Zoom, your acoustic guitars live tone is sure to sound better than ever before. The powerful acoustic emulation and vast modelling adds vast depth to your tone. The A1 Four uses intelligent impulse responses to replicate the sonic identity of a wide spectrum of classic acoustic guitars, allowing you to replicate the tone from the studio, live on stage.
It’s then possible to mould your tone even further with responsive Gain, Bass, Middle and Treble controls. Zoom’s A1 Four is packing 15 presets for acoustic guitar, alongside a further 13 which are available via the included ‘Guitar Lab’ software.
Transform your Violin into a Symphony!

classical through to heavy metalWhen you have the A1 Four in your arsenal, Jerry Goodman style violin tones are only a step away. See your violin morph into a full stringed symphony before your very eyes! Greatest of all, the A1 Four’s violin-specific distortion effects ensure your bowing attack is left intact, which is of course essential in your expressive violin playing.
Acoustic double-bass players haven’t been forgotten about either! No matter if you’re a classical player, rock n roll or symphonic heavy-metal, with the A1 Four is going to turn some serious heads when you play live!
Sultry Sax Soundscapes!

it's all inside the A1 four!When you decide to play your Saxophone through the A1 Four, you’ll open up a plethora of mind-blowing soundscapes. Vibrant rock n roll style sax? You got it. Double-tracked jazz-fusion sounds? That’s there too! Once you’ve found your sound, tweak it to your likings via a responsive EQ and compression to add the finishing touch.
Trumpet players have been looked after too! Try the wah effect on your trumpet for some real fun! Be in no doubt, the A1 Four can add vibrancy and excitement to your tone and playing! It’s huge fun!
Zoom 'A1 FOUR' & Acoustic Guitar with Aaron Rizzo
Acoustic Instrument
Multi-Effect ProcessorAdd a multitude of warm and rich tones to your guitar. From live “unplugged” performance sounds to the finger-playing style of country and blues, there’s so much to choose from. Gorgeous effects and acoustic guitar modeling will take your instrument to places it’s never been before.

The Tech Spec
Features | Specification | Type | Acoustic Instrument Multi-FX |
---|---|
Analogue/Digital | Digital |
EQ | 3-band EQ, Graphic EQ |
Effects Types | 80 x Effects, 5 x Simultaneous ; Dynamics, Filters, Overdrives, Amp Models, Cabinet Models, Modulation, Delay, Reverb, SFX |
Presets | 50 x User Patches, Acoustic Body Modeling, Sax, Trumpet, Violin, Harmonica, 68 x Rhythm Patterns |
Looper | 30 seconds |
Inputs | 1 x 1/4" (instrument), 1 x 1/8" (aux in) ; MAA-1: 1 x XLR (mic) |
Outputs | 1 x 1/4" (line out/headphones) |
MIDI I/O | USB |
USB | 1 x Type Micro-B |
Bypass Switching | Buffered |
Software | Zoom Guitar Lab Patch Editor (Mac/PC) |
Power Source | 9V DC power supply (sold separately) / USB powered (some functions limited) |
Batteries | 4 x AA batteries ; MAA-1: 2 x AA batteries |
Height | 1.65"/td> |
Width | 5.11" |
Depth | 6.14" |
Weight | 0.75 lbs. (without batteries) |