BOSS TU-03 Clip-On Tuner & Metronome

BOSS TU-03 Clip-On Tuner & Metronome

BOSS TU-03 Clip-On Tuner & Metronome

B&H # BOTU03 MFR # TU-03
New Item - Coming Soon
Expected availability: Mid Aug 2018

Product Highlights

  • Clips on Instrument Headstock
  • Large Backlit Display
  • Built-In Speaker
  • 5 Selectable Tuning Modes
  • Audible 430 to 450 Hz Reference Pitch
  • A0 to C8 Tuning Range
  • 30 to 250 BPM Metronome
  • 8 Rhythm Types
  • 10 Beat Variations
  • Automatic Power-Off Function
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  • 1Description

The BOSS TU-03 is a clip-on tuner and metronome designed to deliver accurate pitch and tempo referencing with easy operation for musicians at practice, on stage, or in the studio. It quickly attaches to your instrument's headstock via spring-loaded, padded clip and shows tempo or metronome information on its large backlit display. A built-in speaker enables convenient monitoring of the metronome beats or reference pitch, which is adjustable from 430 to 450 Hz.

The tuning range spans from A0 to C8 to accommodate many types of instruments. Additionally, five selectable tuning modes allow chromatic or string-based tuning methods for enhanced efficiency. In metronome mode, the tempo is adjustable from 30 to 250 BPM. Eight rhythm types and ten beat variations provide flexible configuration of the metronome's beats.

The supplied CR2032 battery grants up to eight hours of continuous use. After approximately five minutes of inactivity, the TU-03 automatically powers off to conserve battery life.


Tuner and metronome in one convenient clip-on unit
Attaches via durable, spring-loaded, padded clip
Five selectable tuning modes
Chromatic mode allows you to tune to any pitch
Guitar, bass, violin, and ukulele modes provide string-based displays
Flat and double-flat tunings are supported
Adjustable reference pitch and metronome beat can be sounded through the built-in speaker
30 to 250 BPM tempo range
Eight rhythm patterns and ten beat variations support practicing in numerous styles and time signatures
Large backlit display with non-glare surface is easy to view in a variety of environments and shows metronome or tuning information
UPC: 761294512920
In the Box
BOSS TU-03 Clip-On Tuner & Metronome
  • CR2032 Lithium-Ion Battery
  • Limited 1-Year Warranty on Parts
  • Limited 90-Day Warranty on Labor
  • Table of Contents
    • 1Description
    Tuning Range A0 to C8 / 27.5 to 4186 Hz
    Reference Pitch A4 = 430 to 450 Hz
    Tuning Accuracy 1 cent
    Tuning Modes Chromatic, guitar, bass, violin, and ukulele C
    Tempo Range 30 to 250 BPM
    Metronome Function Rhythm Types: 8
    Beats: 0 to 9
    Battery Life (approx.) Up to 8 hours
    Power Requirement 1 x CR2032 lithium-ion battery
    Current Draw Metronome Mode: 30 mA
    Tuner Mode: 15 mA
    Dimensions (W x D x H) 2.6 x 1.7 x 1.4" / 66 x 42 x 35 mm
    Weight 1.4 oz / 40 g (including battery)
    Specialties Auto-off function
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