DigiTech Mosaic is a polyphonic 12-string simulator that adds octave low strings and doubled high strings to a six-string electric or amplified acoustic. Level sets the intensity of the 12-string effect and Tone shapes its brightness. Response runs 20 Hz to 11 kHz with the effect engaged, 24-bit conversion at 44.1 kHz, and true bypass.

A twelve-string sound without owning or retuning a twelve-string.

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A 12-string works by pairing each string with a second: the low four get an octave above, the top two get a unison double. Mosaic reproduces that structure polyphonically, so single notes and full strums both take on the octave shimmer and the slight movement that make the sound recognizable.

Two controls handle it. Level sets how much of the 12-string effect sits against the dry signal, which runs from a subtle thickening through to a full and obvious 12-string voice. Tone shapes the brightness of that added content, which matters because the octave strings are where the sparkle lives and how bright they sit determines whether the result reads as jangly or as merely full.

It works on amplified acoustic as well as electric, which is where a lot of players end up using it. Carrying a second acoustic to a gig for two songs is a real cost, and the pedal removes it. True bypass keeps it out of the path the rest of the time.

At a Glance

How Does Mosaic Create a 12-String Sound?

It adds octave content to the low strings and doubles the high strings, which is structurally what a real 12-string does. Because the processing is polyphonic, chords and strums hold together rather than confusing a monophonic tracker.

Who Is Mosaic For?

Players who need a 12-string for part of a set but not all of it, acoustic performers who would otherwise carry a second instrument, and anyone recording who wants that texture without hiring or renting a 12-string.

What Do the Two Controls Do?

Level sets how strongly the 12-string content sits against the dry signal, from a subtle thickening up to a full 12-string voice. Tone shapes the brightness of the added octave and doubled content, which decides whether the result reads as jangly and bright or fuller and darker.

Does It Work on Acoustic Guitar?

Yes. DigiTech specifies it for six-string electric or amplified acoustic, and the acoustic application is a common one because it saves carrying a second instrument.

Connections

Specifications

Why DigiTech?

DigiTech has built guitar effects since 1984 and invented the mass-market digital pitch shifter with the original Whammy in 1989. After a period under Harman ownership the brand was acquired by Cor-Tek in 2022 and has returned to active development, with the MonoNeon Whammy and HammerOn both arriving in 2025. Pitch shifting remains what the company is known for.

Frequently Asked Questions

Is this a genuine DigiTech product?

Yes. Victory is a veteran owned dealer in Miami and units ship new in original packaging with full manufacturer support.

Is this covered by warranty?

Yes. This unit carries the full DigiTech manufacturer warranty, registered to you as the original purchaser. Call 844-687-4208 for the current term.

Does it track chords?

Yes. Mosaic is polyphonic, so full strums and chords take the effect cleanly rather than requiring single notes.

Can I use it on an acoustic?

Yes, on an amplified acoustic. DigiTech specifies six-string electric or amplified acoustic guitar.

Does it have true bypass?

Yes. True bypass circuitry keeps the pedal out of the signal path when the effect is off.

Why Buy From Victory Musical Instruments?

Victory Musical Instruments is a pro audio and musical instrument dealer in Miami, Florida. We support churches, schools, studios and working musicians across South Florida and ship nationwide. Every unit is new in the original factory packaging with full manufacturer support. Call 844-687-4208 to check lead time, request a quote, or arrange local pickup.