Boss TU-15 Chromatic Tuner

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4.5 (4)

2 Reviews

This product is Vintage or Discontinued

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7 saved

Page last updated Jul 04, 2026

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Description

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The Boss TU-15 Chromatic Tuner is a must-have accessory for any guitarist or bassist seeking precision and versatility in tuning. This tuner stands out with its Accu-Pitch verification, a feature that audibly confirms when you've reached the correct tuning, eliminating any guesswork. Whether you're using standard, Drop D, open tunings, or even tuning down by up to five semitones, the TU-15 has you covered. Its unique Octave Adjust function allows for seamless tuning using open strings and the 12th fret, making it incredibly user-friendly for both beginners and seasoned musicians.

Crafted with the performing musician in mind, the TU-15 features a backlit needle and LCD display, ensuring you can tune accurately even on dimly lit stages. The high-impedance input ensures that your signal remains transparent and unaffected, allowing you to confidently place the tuner between your guitar and amplifier without compromising your sound. Compact, yet comprehensive, the Boss TU-15 Chromatic Tuner is not just a tool, but a reliable partner in every performance and practice session.

Key Features:

Accu-Pitch verifies intonation audibly
Supports Drop D, Open D/E/G/A, DADGAD, and flat tunings up to 5 semitones
Octave Adjust function for open string and 12th fret tuning
High impedance input maintains signal integrity
Backlit needle and LCD display for easy tuning in any lighting conditions

Reviews

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PROS

Works across a wide frequency range, suitable for various instruments
Perfect fit for pedalboards, enhancing aesthetic and functionality
Needle display offers a vintage feel, appealing to traditionalists
Accu-Pitch function provides audible confirmation of correct tuning
Supports drop and open tunings, flexible for diverse musical styles
Reliable for professional use, trusted by long-term users

CONS

Beeping sound cannot be disabled, potentially distracting for some users
No longer available, making it hard to purchase new units

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss TU-15 Chromatic Tuner.

Features and functionality

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The Boss TU-15 Chromatic Tuner displays the octave in chromatic mode, substituting the string number with the octave number.
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Use cases and applications

0 0

The TU-15 is used for tuning analog synths when not connected to a DAW, leveraging its octave display and 1/4" input jack.
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Comparisons

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The Boss TU-15 is comparable to the TU-30, which retains similar octave display functionality in chromatic mode.
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User experience

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Owners have noted the TU-15's longevity and reliability, but availability has diminished, often found only as used items.
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4.5 out of 5

Based on 2 Reviews and 4 Ratings

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wannabeatle

570

12 months ago

my first pro-quality tuner

I bought mine used when I worked at a big box store in 2010. I paid waaaaaay too much for it (more than other stores in the chain had it for, too)! but, I still used it as my main tuner for many, many years. I still use it as a backup to my modern Peterson pedal tuner, I now have.

Roles:

Singer Guitarist Bassist

Genres:

Rock Alternative rock Pop rock

freddie_ramone

1334

over 10 years ago

Cool vintage tunner :)

I always liked vintage stuff, some like this Boss TU-15 Tunner that it has the needle tune like the old ones, as we know that now at days tunners are mostly digitals like clips and guitar tuna, but also its very accuare you can tune some drop tunes, open tunes, you can tune a 7 strings guitar but the big deal its that this tunner has a function called accupitch, wich is a sound that indicates when your on tunned, simply amazing tunner and super recomended.

jimmarchi1

41029

10 years ago over 10 years ago

I swore by my needle tuner for years... took until 2007 I think before I was persuaded to use a TU2 on stage and then I went way down the tuning pedal rabbit hole, but I miss that Boss TU-15 and wish I still had it.