Zoom A2.1u

Zoom A2.1u

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A2.1u, Multi-Effect for Acoustic Guitar from Zoom in the A series.

6 user reviews

Zoom A2.1u tech. sheet

  • Manufacturer: Zoom
  • Model: A2.1u
  • Series: A
  • Category: Multi-Effects for Acoustic Guitar
  • Added in our database on: 01/31/2006

We have no technical specifications for this product
but your help will be much welcomed


Zoom A2.1u user reviews

Average Score:3.8( 3.8/5 based on 6 reviews )
 1 user review17 %
 4 reviews67 %
 1 user review17 %
Value For Money :

StephDu62's review (This content has been automatically translated from French)" A good Swiss Army Knife for electro-acoustic"

Zoom A2.1u
The types of effects? has just about all the available effects (chorus, flanger, EQ, Delay, Reverb ...)

Not be edited on the PC, the USB port is only used sound card (ZOOM shame because the logic is not easy to understand)

Connectivity: USB, Jack IN / OUT, XLR


The configuration of presets is not easy but once understood the logic, you can quickly ring the beast.
The manual is clear if we can find it in French ...


It's more realistic for the price. Sure there are better but more expensive.
I use it with a Simon & Patrick SP6 which I added piezos. I have no pre-amp so I use the pedal with the HI GAIN option to increase the input level.
It's not easy because at every boot you have to press the left button to turn on the option ... But hey, it's waiting to offer a preamp worthy of the name to my great Canadian.


I use it for three months but I is not done the trick.
This is my first model of multi-effect Acoustic-Electric therefore no basis for comparison.
I like the adjustability of the simulations (Sim 12 strings is quite interesting)
Adjusting microphones is complete, you can really play on the quality compared to the guitar pickups (I will test this pedal on an electric acoustic Takamine to compare)

Product bought used, and for the price it's a good deal.

Anyway, for the scene is good but for the recording studio, it is preferable by far the sound with a microphone directly in front of the 12th fret ...

toche13's review (This content has been automatically translated from French)" NOT BAD"

Zoom A2.1u
In short simple Zoom A2.1u comes with 8 banks of 10 patches each with its sounds, the first 4 banks named ABCD are editable and four other named 0123 are not, a content delivery banks are identical as follows: A0 = 00, B0 = 10, C0 = 20 and D0 = 30.
You can copy and paste or patches you want in the ABCD locations and can also edit the patches
I put a picture of its banks at the end of this notice


The general setup is a bit complicated which is always the case for a multi-effects pedal.
on the other hand in the manual that came no trace of the name patches in banks,
but I managed to find them there: https://www.samsontech.com/site_media/legacy_docs/A21u.pdf on page 41.
I have not tried to edit patches.
The tuner is simple and effic is very readable unlike Tc Helicon Harmony gtx (which as of the time).


effects are sometimes realistic sometimes useless, but with 40 effects including good
flanger, chorus, very honest and a 12-string simulation interesting, we can have fun.


I bought Guitar Shop today at Marseille.
The value for money is good to excellent for the model without a.2 expression pedal to € 80.
Well it is not a Tc Helicon G Natural, but it's not the same price either.

baldoch's review (This content has been automatically translated from French)

Zoom A2.1u
Full of effects (flanger trmolo wahwah / rsonator auto wah chorus reverb delay etc.)
compressor / limiter, qualizer (6-band parametric normal or band 2) modeling (with lots of guitar and guitar rsonator pramp nylon tube) modelisationde micro (micro condensateurou dynamic effect) ZNR (noise reduction so zoom of acoustic noise gate for) anti-acoustic feedback (anti larsen automatic or manual: you chose frquence or feedback takes place: a use without modration with the effects pedals only: if you put the distortion from the amp is c is not worth it lol) bypass tuner mute (the is changeable in the frquence) + miniboite a rhythm

the effects are digital and 8 module effects are superimposed: one can choose a module in each one because the rgler and record all on a patch to have everything every time rgler

o modules are numbered 8: modeling, micro modeling, compressor / limiter, qual severe acute qual, ZNR, delay and reverb mod effetx
patches for the registered number of 40 o (40 + ready-made non-editable)

Finally spciaux 2 modules: the first is the selection of the function of the pedals of expression and footswitch adds volume + gnral
the 2nd has the management of anti feedback and the selection of micro ke you use (piezo, magnetic, single coil, or micro genre hambucker)

nivo entrsorti: input jack, out jack, footswitch input for pedals, USB connection (for s record) and XLR output
ADAPTER 9v 300 ma + - or alkaline


Simple but need to be understood (a meaningless mdr) functions as the other big zoom. The English manual is clear, the manuals in other languages ​​are findable on the site zoom

The pedals offer a manual mode dailleurs trs pratik to enable / disable the antifeed back or to disable or enable the module "mod effetx" (wah chorus flangue etc.)


The effects are compared to standard zoom former model. autowah and the wah is great so rgl. a lot of chorus and reverb delay which gniallisseme reverse delay (RPET al enver) or ping pong (Stereo effect) is the delay and chorus pedals
of other effects as are present and are trmolo SIMPATIE good and pluto

j use this cell for my violin with a piezo Fichman and JLA have been found has all the violinist: processing of sound and effect adapted (distortion due to gain feedback from pa n causes or is anti rpar by feedback) the only non-truck used 100% for the violinist is modelistaion guitar (a lot of guitar for that matter). j uses a lamp once the prampli in this module (a fishing data o sound)

n is not the recess of the pro but for 150 euro vo widely nimporte what pedals (and even to scratch electric simpa c)


I've had the more a month and jen sui content. I was looking for the violin as the effect of delay and reverb and chorus such as wah with a gain for its "electric" (for playing the blues) but especially for my microphone pramplifier liabilities (Fichman piezo)

bah j have at the same time with a drum machine antilarsen a tuner and software to make myself small enrigistrement (comes with cubase)

what else ????? 150 euro What !!!!!

El_Becko's review (This content has been automatically translated from French)" Decoy troubadour for beginners"

Zoom A2.1u
Many effects and emulations of microphones, guitars and preamps. I think too much for a dedicated purpose to audio (wah-wah, distos, ping-pong delays are relatively ... innutiles use).

Everything is digital and digital asset if you know what I mean ....

Positive: one XLR balanced outputs but unfortunately the level is too high to attack a classic preamp input sound card to -20 db pad required.

USB port turns the bopitier in audio interface to record an immediate and simple your favorite sound.


This is the black spot of the device: a screen difficult to read (a pain on stage was such that I had to put it on a desk), multi-function buttons enigmatic, a simple two-digit LED display to indications unclear ... reading and learning the manual requirements.

Publishing, a faith operation treated, does not pose much problem except that philosophy requires them to spend time which is fatal to the stage if you have an emergency setting to correct two pieces.


The effects are too numerous and it is fatal: the low price leads to a low quality.

Everything is cold, horribly cold, reverb and chorus are metal, any delays, the synthetic wah ...

The emulations are a simple micro Equal tangy with a little room to give the impression of space, the guitar models are ugly and caricature, do not expect your turn on stage in Martin D45 Takamine taken over by a Shoeps. At home it can be flattering, but on stage if your artistic producer with a little ear (there;)) it will soon require you to bypass the box or equip you with a real effect pro!

All settings return something very creaking metal and forcing drastic cuts in the higher frequencies and the presence: once you lose the clarity and dynamic, as there is no pretty serious to save you you end up with hair electro sound as big as a young mosquito whistling in your ears.

The compresa very important support and to sculpt the sound of electro is the type destructrisse and dirty gum and the very dynamic with very fine adjustments.

When the limiter is transparent to him but there are not enough parameters to be able to settle properly.


I know I'm tough and tell me if I wanted a good multi-effects should not be dreaming but still I was not expecting this when I went to an emergency purchase this box on tour after a failure of my multi. I quickly rebalanced my guitar live and found myself strong guard when the wind was coming ....

The quality / price ratio is often true: it's cheap that offers no good.

We are far from emulating a Fishman Aura or fine effects of TC G-Natural and I think this product is intended for novice musicians who want to test everything, artists broke (which Finnie out by something out ), or those who just want an Equal programmable and do not use models, just a few classic effects from time to time.
Or maybe the effect would travel ... yes it is not stupid I will keep it for hotel rooms ^ ^

But I say to you, your beautiful electro-acoustic deserves better than that!

Zoom A2.1u images

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Zoom A2.1u audio files

Zoom A2.1u manuals and other files

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Other names: a2 1u, a21u, a 2 1u, a2 1 u, a21 u

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