Tuner

^# 59

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$91.00 to $109.99 Price Tier: High-end

3.0 (1)

1 Critic Review

1 Review

0 wishlisted

3 saved

Page last updated Jun 25, 2026

Pricing and availability

We compare 600+ stores and found this item at 4 stores. Prices updated June 25, 2026.

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4.5 (178)

$109.99

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4.5 (105)

$109.99

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4.8 (2503)

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4.9 (2574)

$92.00 $91.00 $1.00 · All time low

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Average Price: $104

High-end/Boutique

$50

$101+

Price Tier

In the Pedal Tuners category, Tuner is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

Price History

Based on price data from 3 merchants for "Tuner". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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The BOSS TU-3 Chromatic Tuner is a pedalboard essential for guitarists and bassists who demand precision and reliability. This rugged stompbox is built to endure the rigors of the road while delivering fast and accurate tuning in any environment. With its 21-segment LED meter, featuring selectable brightness levels, you can easily tune your instrument even under the most challenging stage lighting. The TU-3's Note Name Indicator supports 7-string guitars and 6-string basses, ensuring precise intonation across a wide range of instruments.

Switch seamlessly between Chromatic and Guitar/Bass modes for versatile tuning options, and rely on the Accu-Pitch function for visual confirmation of perfect pitch. Whether you're in a dimly lit club or a sun-drenched outdoor festival, the high-brightness mode ensures visibility and accuracy. The TU-3's flat tuning capability allows for Drop tunings up to six semitones below standard, catering to those who love to experiment with deeper sounds.

Housed in a durable die-cast aluminum body, the TU-3 is designed to last through years of performances and travels. It also offers the convenience of powering up to seven BOSS compact effects pedals, making it an efficient choice for maintaining a tidy pedalboard. Whether you're a seasoned professional or an aspiring musician, the BOSS TU-3 Chromatic Tuner is your go-to for flawless tuning every time.

Key Features:

Stompbox-style chromatic tuner pedal
21-segment LED meter with adjustable brightness
Supports 7-string guitars and 6-string basses
Chromatic and Guitar/Bass modes
Accu-Pitch function for visual tuning confirmation
Guitar Flat mode for Drop tunings up to six semitones below standard
Rugged die-cast aluminum construction
Can power up to 7 BOSS compact effect pedals

Product specs

Type	Chromatic
Format	Pedal
Display Type	LED
Reference Pitch	A4 = 436Hz-445Hz
Tuning Range	C0-C8 (16.3-4186Hz)
Accuracy	±1 cent
Tuning Modes	Chromatic, Flat, Drop Tuning, Guitar, Bass
Inputs	1 x 1/4" (instrument)
Outputs	1 x 1/4" (main), 1 x 1/4" (bypass)
Power Supply	9V DC power supply (sold separately)
Power Usage	30mA (standard), 85mA (High Brightness mode)
Batteries	1 x 9V (included)
Height	2.32"
Width	2.87"
Depth	5.08"
Weight	0.86 lbs.

FAQs

Does the Boss TU-3 Chromatic Tuner Pedal support drop tunings?: Yes, the Boss TU-3 supports drop tunings, allowing you to easily tune your guitar or bass to lower pitches for various musical styles.
How accurate is the Boss TU-3 tuner pedal?: The Boss TU-3 tuner pedal offers a tuning accuracy of ±1 cent, ensuring precise tuning for both live performances and studio settings.
Can the Boss TU-3 be used with both guitar and bass?: Yes, the Boss TU-3 is designed for use with both guitar and bass, featuring specific tuning modes for each instrument type.
What type of power supply does the Boss TU-3 require?: The Boss TU-3 requires a 9V DC power supply, which is sold separately, or it can be powered by a 9V battery included with the pedal.
What is the display type on the Boss TU-3 tuner pedal?: The Boss TU-3 features an LED display, providing clear visibility of tuning status even in bright stage environments.
Does the Boss TU-3 have a bypass output?: Yes, the Boss TU-3 includes a bypass output, allowing you to maintain your instrument's signal integrity when the tuner is not in use.

Reviews

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Owner Insights

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

Features and functionality

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The red Snark ST2 tuner is noted for its superior performance compared to other Snark models, particularly in terms of accuracy and price.
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Some clip-on tuners, like certain Snark models, include a built-in metronome with a settable blinking light to assist with rhythm training.
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D’Addario micro tuners are highlighted for their compact size and ease of use, making them a popular choice for discreet tuning needs.
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Beginner Guitar Tuner offers a large variety of alternate tunings and a chromatic tuner, providing flexibility for diverse musical needs.
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The Korg Pitchblack offers an alternate input to bypass the mute function, useful for maintaining sound output while tuning.
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The Polytune 3 mini's built-in buffer and ability to be set to always on in buffered mode are highlighted as significant advantages.
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User experience

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Owners advise against the Roadie automatic tuner due to slow performance compared to phone apps, leading to dissatisfaction and lack of use.
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A-Tuner Lite is praised for its accuracy and visual interface, featuring a unique sensitivity adjustment for precision tuning.
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Pano Tuner provides a fast response with a slightly jittery interface, offering a trade-off between speed and ease of tuning.
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Some owners find the Donner tuner occasionally misidentifies notes by latching onto harmonics, which could be problematic during live performances.
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Software and compatibility

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PitchLab Pro, despite being abandoned, is still highly valued for its comprehensive tuning capabilities, available via the Amazon app store.
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Comparisons

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Tuner-Pitched is favored over gStrings for its faster response and accuracy, despite a less preferred interface.
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The Polytune is noted for its better buffer compared to the Boss TU-3, making it a preferred choice for users who gig outdoors in daylight.
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Build quality

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The Boss TU-3 is praised for its robust construction, with claims that it could outlive its owner due to its solid build quality.
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Use cases and applications

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The TC Electronic Polytune in strobe mode offers .02 accuracy, which is comparable to high-end strobe tuners like Peterson.
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Value and pricing

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Used Korg tuners are recommended as they provide high quality for a fraction of the price, costing less than $30 on Reverb.
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Critic Reviews

Snark Air Tuner | Review - Guitar Interactive Magazine

guitarinteractivemagazine.com

The Snark Air Tuner is a breath of fresh air in the clip-on tuner market, combining practicality with environmental consciousness through its rechargeable design. It boasts a user-friendly, button-free operation, a bright adjustable screen, and solid build quality. While it effectively tackles common issues like battery wastage and accidental activation, its standout feature is the quick, accurate tuning response. The robust clip ensures it stays put without harming your guitar's finish. Priced reasonably, it's a reliable choice for any musician seeking a compact and eco-friendly solution, though some might miss more advanced features. Overall, a strong contender in the world of guitar tuners.

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