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Digitech MOSAIC 12-String Polyphonic Effect Pedal

  • Based on 277 reviews
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Availability: In Stock.
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Arrives Tuesday, Oct 13
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Features

  • Turn any 6-string guitar into a 12-string. Battery operation possible; (Best with Polaroid 9V Batteries)
  • Advanced, Polyphonic Pitch Shifting and Intelligent Doubling
  • True bypass
  • LEVEL - Adjusts the intensity of the 12-string effect TONE - Adjusts the amount of high frequency enhancement being applied to your signal

Description

The DigiTech Mosaic Polyphonic 12-String effect pedal sets you upon the path of creating lush 12-string sounds with either 6-string electric or amplified acoustic guitars. Immediately identifiable 12-string tones are now yours with octave low strings and doubled high strings. Single notes and full chordal strums shine with polyphonic richness and celestial movement that will inspire you. The Mosaic’s balanced low-end response with crisp octave shimmer produces a tone that’s lush and articulate, just as with a 12-string guitar. Tailor the Mosaic’s sound with the independent Level and Tone controls. Level will control the undefined-string effect intensity while Tone shapes the overall brightness of the effect. The Mosaic will give you a richer, more resonant and full tone than a standard six-string guitar. It is true bypass and uses a 9V DC power supply to easily integrate into your existing pedalboard.

Brand: DigiTech


Style: Compact


Color: Black


Item Weight: 1.4 pounds


Voltage: 9 volts


Voltage: 9 volts


Amperage: 50 milliamps


Audio Output Effects: Modulation


Controls Type: Knob


Power Source: Corded Electric


Hardware Interface: 1/4-inch Audio


Signal Format: Analog


Style: Compact


Color: Black


Sound Profile: Emphasis on treble


Item Weight: 1.4 pounds


Item Dimensions: 4.63 x 3.19 x 2.13 inches


Connector Type: 1/4 inch (6.35mm) audio jack


Brand Name: DigiTech


Number of Items: 1


Number of Packs: 1


Item Highlight: Simulates 12-string guitar


UPC: 691991202926


Global Trade Identification Number: 26


Unit Count: 1 Count


Included Components: 9V DC power supply


Item Type Name: Acoustic Guitar Effect Pedal


Manufacturer: KMC Music Inc


Model Name: MOSAIC


Model Number: MOSAIC


Manufacturer Part Number: Digitech Mosaic


Warranty Description: 1 year.


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If you place your order now, the estimated arrival date for this product is: Tuesday, Oct 13

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Top Amazon Reviews


  • Five stars!
This review is for the The DigiTech Mosaic Polyphonic 12-String effect pedal. This product has been out for many years and seems to be one of the few to get the job done. The DigiTech and the Boss pedals are really the kind of stomp boxes that use the "if it's not broke don't fix it" adage. I currently use it with a solid body electric strat guitar. AFTER LOOKING AT MORE THAN AN INFINITE NUMBER OF YouTube reviews, I had it narrowed down between the DigiTech in the Boss emulators. Since I didn't need reverb, I went for the Mosaic's simplicity. The DigiTech and Boss FX are both good, yet have a slight different sound depending on your preference. • gets me that 12-string emulation, without (tuning and) dragging a 12-string around. • use it "in" the effects pedal loop for a guitar processor... or as I do: the first/only stop box ahead of my guitar processor. • additionally is a great effect to use to fatten up a lead sound. CONS: • may seem a little pricey, yet options are few and far between for 12-string emulators. In addition, it's comparably priced with its other major competitor from Boss. • YES. You'll get those guitar purists that will say nothing beats a 12-string for that REAL 12-string sound. To them I say: Duh... Okay... so why don't you own a Rickenbacker 12-string yourself? For all others like us that live in reality, the DigiTech Moasic 12-string guitar emulator is a great buy! ... show more
Reviewed in the United States on April 19, 2022 by RoJo

  • Your mileage may vary
My impression is that this pedal will be awesome in some situations and absolutely unusable in others. You have to try it out yourself to know if it might work for you. When I first played my acoustic through it, the sound was horrendous (very shrill/brittle). But after trying a number of different combinations of level and tone, I locked in on a sound that was *really* nice! Same thing when I played an electric through it. Most combinations of level and tone ranged from bad to worse. But I was able to dial in some "sweet spot" settings that sounded fantastic. I found that certain settings sounded bad for fingerpicking, but were incredibly smooth and lush for strumming. And vice versa. I could definitely see myself using it a fair amount, either just for fun or performing. However, I am able to achieve something at least directionally similar using other pedals; and I decided I couldn't justify filling up valuable real estate on my pedal board with this one. But I encourage you not to be dissuaded by numerous negative reviews. I don't doubt that the sounds they heard were awful. I heard a lot of the same. But I also heard how awesome this pedal can sound when you get it dialed in right. In a world where I have infinite money and room on my pedal board, the Mosaic would definitely be part of my collection. ... show more
Reviewed in the United States on February 15, 2022 by J. Holman

  • Kinda Impressed!
I purchased, like many others, to address the need for an occasional 12 string acoustic. I expected to be under impressed, but to have something "good enough" . I lined this pedal up with my pre-amp to a Martin 000-18 and tried some fingerpicking. The thumb strum sounded almost like a steel drum kind of sound...definitly "chimey" but almost a little too round. The finger picking "up top" sounded fine... it was just like a loss of mid-high end on the thumb strum. Using a VERY LIGHT (bumble bee) thumb pick, however, REALLY opened it up. With the effect set at about 11 o'clock, the octaves and doubled tones sang out and sounded natural enough. I like how the unit does not change the overall tone of the pre-amp or the guitar...it just puts the 12 string effect on it. Think songs like, Love of my Life. Hotel California, Here Comes The Sun....They sounded great! If I were to hear that sound coming from a 6 string player, I would for sure make a "double take". I haven't tried it with an electric yet.... I may edit the post later, but for now...I like it! ... show more
Reviewed in the United States on March 23, 2022 by Dennis R. Gerber

  • What do I know?
Is it a faithful recreation of a 12 string? I wouldn’t know, I am a clumsy noodler, but I do like the sounds emanating from it. Also a huge Digitech fan.
Reviewed in the United States on May 8, 2026 by Kevin

  • Doesn't play well with pedalboard power supplies
For electric guitars, it sounds fine. Sort of reminiscent of a 12-string Rickenbacker, like what Roger McGuinn used on some of the Byrds songs. For acoustic guitar, the effect isn't so good. Sounds almost like a pipe organ, but I bought it for electric guitar so that's not a big deal. The main reason I only gave it three stars is because you have to use the dedicated power supply that comes with it (see added comment below). My pedalboards each have Voodoo Lab power supplies that provide power to each pedal from one source, but I can't use them with the Mosaic or it won't turn on. So the Mosaic sits by itself beside my pedalboard. This makes it a PITA to use because you not only have to find an extra AC outlet nearby, but you also have to have an extra instrument patch cord to connect it in line with your pedalboard. You may also need to have an extra AC extension cord handy to power it up because the adapter's cord isn't very long. To me this is a design flaw and an inconvenience when setting up for gigs. I'm wishing now that I had bought the Boss OC-5. Added 1/28/22: Another issue: The Mosaic's power supply introduces a great deal of hum if it is plugged into the same power strip that the amp and pedalboard use. The Mosaic's power supply needs to be plugged into a separate circuit. I'm liking this pedal less and less each time I use it. ... show more
Reviewed in the United States on January 25, 2022 by rodi53

  • Great electric 12 string simulator pedal.
Adds the shimmer of a 12 string electric without the tuning hassles and price of a real one. Especially recommend this if you're playing live and only have a limited selection of songs that would benefit. Great effect without the extra guitar inventory and stage real-estate. Only personally used with solid body 6 string electrics. No experience with 6 string acoustic applications. ... show more
Reviewed in the United States on November 2, 2019 by Westinghouse

  • No effects made, garbage pedal
Made no noticeable difference on the two amps and guitars i tried this with. Could not notice any effects in tone whatsoever. Maybe a bad unit, but regardless it was crap. Been waiting years to try it, so disappointed. Returned.
Reviewed in the United States on September 5, 2026 by chad

  • Great way to cover a handful of 12 String songs on a budget!
I wanted to add several songs to my setlist that required 12 string sounds. You just can't really do justice to tunes like "Free Fallin" from Tom Petty without a 12 string. I considered buying a 12 string guitar but it's hard to find a good one under 500. Lets not even get into the hassle of tuning it if its out when you pick it up to do a song at a gig. During my guitar search I stumbled on the MOASIC pedal. I decided since I only wanted to play a few 12 string tunes it was worth a gamble for the price. After testing it a while I find the sweet spot for me is between 11 and 1 o'clock with reverb and a tiny bit of chorus. Playing clean (or with just a touch of a good transparent overdrive) gives me the best 12 string emulation. If you turn the knobs past 1 o'clock it sounds much more artificial. Less is more here. I plan to use it on 3 songs so not having to deal with the expense and transportation of another guitar is my happy thought. It is NOT going to give you the exact same sound as a real 12 string guitar but if your like me and just want to cover a few tunes this is an inexpensive alternative. ... show more
Reviewed in the United States on January 13, 2021 by Rich R.

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