
TC Electronic
TC Electronic POLYTUNE 3 NOIR Polyphonic Guitar Tuner
★★★★★
Tune all six strings at a glance with the TC Electronic Polytune 3 Noir's polyphonic display and built-in buffer.
$65.94*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Key Features
Tiny polyphonic tuner gives you fast, accurate tuning and a high-quality tone tool in a single unit
Quickly tune up with polyphonic, chromatic and strobe tuning modes
Built-in BONAFIDE BUFFER keeps tone crisp through long cables and large pedal boards
Polyphonic mode tunes all your strings at once
Lightning-fast chromatic tuner
Specifications
Brand
TC Electronic
Model
POLYTUNE 3 NOIR
Tuning Modes
Polyphonic, Chromatic, Strobe
Buffer
Built-in BONAFIDE BUFFER
Hardware Interface
1/4-inch audio
Signal Format
Analog
Voltage
9 Volts
Color
Black
Dimensions
1.44" x 0.79" x 0.68"
Weight
5.6 ounces (160 grams)
Pros & Cons
👍 Pros
- Polyphonic mode lets you check all strings simultaneously with a single strum, saving time between songs
- Built-in Bonafide Buffer actively preserves signal quality across long cable runs and large pedalboards
- Three tuning modes provide flexibility from quick stage checks to precise intonation work
- Mini pedal footprint takes up minimal pedalboard real estate at just 1.44" x 0.79"
- Bright, high-contrast display is readable in both dark stages and bright outdoor settings
👎 Cons
- Requires external 9V power supply since there is no battery compartment in the mini enclosure
- The buffer is always on when the pedal is in bypass, which may not suit players who prefer a fully passive signal chain
- Small enclosure can be harder to engage accurately with larger boots during live performance
- Polyphonic mode is less effective with heavily detuned or extended-range instruments
Frequently Asked Questions
What tuning modes does the Polytune 3 Noir offer?
It provides three modes: polyphonic (strum all strings and see which are out of tune simultaneously), chromatic (tune one note at a time with high accuracy), and strobe (the most precise mode for fine-tuning individual strings).
What does the built-in Bonafide Buffer do?
The Bonafide Buffer preserves your guitar's high-end signal clarity when running through long cable runs or large pedalboards. It prevents the tone loss that typically occurs with passive signal chains.
How is the Polytune 3 Noir powered?
It runs on a standard 9-volt power supply, which is the same type used by most guitar pedals. It draws power through a standard center-negative DC jack.
Will this tuner work for bass guitar?
Yes. The chromatic and strobe modes detect a wide frequency range that covers standard bass tuning as well as guitar tuning.
How compact is this pedal?
The Polytune 3 Noir uses a mini pedal enclosure measuring just 1.44" x 0.79" x 0.68" and weighing 5.6 ounces, so it takes up very little space on a pedalboard.