Zoom AC3 Acoustic Guitar FX

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Effect Pedal for Acoustic Guitar

Multi FX & Pre-Amp
16 source guitar models / body presets for precise sound reproduction
15 target guitar models / body presets for sound optimisation
6.35 mm jack input
Two balanced XLR outputs
High quality noise-free preamplifier
9 Effects with adjustable parameters
Choice of piezo or magnetic pickups
Integrated compressor
3-band equalizer
Control for the inputs and outputs: The sensitivity is adjusted via a single volume knob (patent pending)
Overload indicators
Anti-Feedback control
Boost foot switch for up to 9 dB more gain
Integrated chromatic tuner with LED display
USB port for firmware updates
2 Output jacks for connection to guitar amplifiers or PA systems (mono / stereo)
3 Power supply options: 2 Type AA batteries, AD-16 (9V DC) zoom power supply, or bus power via the micro USB port

30-Day Money-Back Guarantee

3-Year Thomann Warranty

Available since August 2017
Item number 420011
Sales Unit 1 piece(s)
Modelling Yes
Incl. Tuner Yes
Expression Pedal No
Headphone Output Yes
USB Connection Yes
MIDI Interface No
Battery Operation Yes
PSU included Yes

B-Stock available from £234

£249

All prices incl. VAT

Sales Rank

in Acoustic Guitar Effects

Bundles & offers

Zoom AC3 Acoustic Guitar FX B-Stock
May have slight traces of use

£234

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83 Customer ratings

5 57 Customers 4 20 Customers 3 5 Customers 2 1 Customer 1 0 Customers

4.6 / 5

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50 Reviews

Sounds great but needs an effects loop

IanIreland 22.10.2018

I bought this unit to save me from having to carry my marshall acoustic amp to gigs to DI out to the PA system. I use a Martin DC16GTE so set the input to dreadnought and the output to D45 and it sounds amazing through any PA systems I have connected to. The only issue I have is that I also use a loop pedal which has to be placed after the AC3 so I lose the DI out option which is a shame. I really think this unit needs an effects loop option.

The different guitar sounds are great and give a very authentic acoustic sound.

The effects are good but not really suitable for live performance as there are no presets but these could come in useful when recording. I really only use the reverb and the EQ, both of which are great. There is also a compressor which works really well. I also leave the anti feedback option on and so far have had no feedback issues.

The tuner is very accurate, I'll be selling on my Boss TU-3 as this has now become surplus to requirements.

I was originally looking for a boost pedal to give me boost for fingerpicking and solos when I came across this unit. This gives me EQ, effects, a tuner and a boost and also an authentic acoustic sound. The build quality is also great, its very well built and feels like it will last forever.

Would definitely be 5 stars if it had an effects loop!

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Zoom AC3is worth every penny

Mattie 09.02.2021

As a pro performing artist i use this for doing every show now, gives me control over tone eq and adds extra punch whilst basically eliminating theacoustic guitar screaming back at me on stage. Just simply plug in and ask engineer to 0 the desk and have had so many of them asking about it due to the clarity and great tone its providing. One place actually now use these as upmarket d.i boxes for all their artists. so 5 star from me..

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Great sounds

Paul738 22.02.2022

Great pedal built like a tank. No save preset option bit of a drawback but not a deal breaker

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Great Pedal, with one or two drawbacks!

Onto 19.07.2025

This is a great acoustic pedal (I use it with the mandolin). It's robust, battery power is a great option, and allows for some nice, gentle tones. It's just a pity that one must choose a "source guitar"; there is no neutral starting point. It's also unfortunate that certain effcts can't be used together. (certain reverbs/delays). But, it really is nice and solid - good tuner, fine compression!

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Zoom AC3 Acoustic Guitar FX

Effect Pedal for Acoustic Guitar

This is what customers who viewed this product bought

83 Customer ratings

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50 Reviews

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Zoom AC3 Acoustic Guitar FX

Effect Pedal for Acoustic Guitar

This is what customers who viewed this product bought

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83 Customer ratings

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50 Reviews

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