Are you restricted to tuning 440 hz? If not what other things are available?

The PolyTune 3 supports alternate tuning as well as changing the reference pitch. You can select the following alternate tuning modes: - Standard Tuning - All strings tuned down 1 semitone - All strings tuned down 2 semitones - All strings tuned down 3 semitones - All strings tuned down 4 semitones - All strings tuned down 5 semitones - 1 Capo at first fret - 2 Capo at second fret - 3 Capo at third fret - 4 Capo at fourth fret - 5 Capo at fifth fret - 6 Capo at sixth fret - 7 Capo at seventh fret Reference pitch starts at 440 hz and is adjustable +/- in 1 hz increments

Does it hold a battery? What type of battery does it use?

The Polytune 3 can be powered by a standard pedalboard power supply (Voodoo Lab, Cioks, Strymon, MXR, etc.) or it can also be powered by a standard 9V Battery. Brian Meader Sales Manager The Guitar Sanctuary

Does the true buffer works also for active bass with on board preamp?

The onboard buffer works regardless of the instrument plugged in to the tuner. With a bass with onboard active electronics you don't need a buffer, but it won't hurt anything to have it in line.

Can this tune 10 notes lower than standard bass tuning? I need it to hit a low F#. 5 notes below a B.

Low B is the lowest I’ve gone and it works great.

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PolyTune 3 Ultra-Compact Tuner Pedal with Polyphonic Tuning, Built-In Buffer, and Bright LED Display

PolyTune 3 Ultra-Compact Tuner Pedal with Polyphonic Tuning, Built-In Buffer, and Bright LED Display

Product ID: 48145464

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Details

Brand
TC Electronic
Style
POLYTUNE 3
Colour
MultiColored
Product dimensions
12.1L x 4.5W x
Item weight
0.27 Kilograms

🎸Polyphonic tuning for all strings at once

💡109 ultra-bright LEDs with ambient light sensing

🔌Built-in buffer for zero tone loss

Description

🎶 Tune smarter, play louder—never miss a note with PolyTune 3 Ultra!

COMPACT POWERHOUSE - Ultra-compact, rugged design fits perfectly on any pedalboard—ready for gigs, rehearsals, and creative flow.
VERSATILE TUNING MODES - Switch effortlessly between polyphonic, chromatic, strobe, and altered tunings to match your style and instrument.
CRYSTAL CLEAR VISIBILITY - Super-bright 109-LED display adapts to any lighting, so you never miss a beat on stage or in the studio.
TONE INTEGRITY GUARANTEED - Built-in Bonafide buffer preserves your pure sound, even with complex pedalboards and long cable runs.
TUNE EVERY STRING INSTANTLY - Polyphonic mode lets you tune all strings simultaneously—save time, stay in the groove.

The TC Electronic PolyTune 3 is an ultra-compact tuner pedal featuring polyphonic and chromatic tuning modes, a built-in buffer to maintain tone integrity, and a super-bright 109-LED display with ambient light detection. Designed for intermediate players and professionals, it offers versatile tuning options in a rugged, pedalboard-friendly metal/plastic body weighing just 270g.

Specifications

Product Dimensions	12.09 x 4.5 x 7.29 cm; 270 g
Batteries	1 9V batteries required.
Item model number	POLYTUNE3
Body Material	Metal/Plastic
Colour	MultiColored
Connector	1/4 inch audio jack
Hardware Interface	1/4-inch Audio
Scale Length	inches
Signal Format	Analog
Material Type	Metal/Plastic
Proficiency Level	Intermediate
Battery Type	Alkaline
Power Source	Corded Electric
Voltage	9
Item Weight	270 g

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