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Samson Chromatic Guitar Tuner and Metronome

  • Full color LCD display and LED indicators
  • Tone (manual) and Tuner (automatic) tuning modes
  • Built-in mic for precise tuning
  • Transposition setting
  • Real-time response for tuning accuracy
  • Pitch cal
  • Email this page
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Tuner envy.

The ultimate tuning accessory that every musician will want in their gig bag, Samson brings precision tuning and metronome capabilities together in the CM40 Chromatic Tuner/Metronome. Its compact, easy-to-use design makes tuning guitars and basses – as well as stringed-, woodwind-, and brass instruments – easier than ever.

  • newegg Precise and Accurate Tuning As a chromatic tuner, the CM40 offers a variety of impressive features, including two modes of tuning: Tone (manual) and Tuner (automatic). When using Tuner mode, the tuner automatically recognizes the note you’re playing, while Tone mode allows you to select a reference pitch. Use its on-board microphone to adjust acoustic instruments and its 1/4-inch input connector for electronic instruments. No matter what mode you use, the CM40 allows a wide range of calibration from A 430 to 450Hz, while its smooth, real-time display provides precise and accurate tuning. It also features a transposition setting that allows you to easily tune down your instrument.
  • newegg Rock-Steady Metronome The CM40 also functions as a metronome. Practice along with tempos ranging from 30- to 250bpm, using the tuner’s built-in speaker with volume control and 1/8-inch headphone jack. In Beat mode, you can choose from ten different time signatures. And by using the Rhythm function, each time signature contains nine rhythm variations for practicing a wide range of styles. You'll master your timing, no matter the time signature or style of music you’re playing.
  • newegg Full Color Display Designed with a large, full-color LCD display – as well as LED pitch/beat indicators – the CM40 can be easily used in any environment, including a dark stage. It also features an integrated kickstand for better viewing. Lastly, a convenient auto power-off function conserves the two included AAA batteries that power the CM40 if it is not in use for five minutes.

Learn more about the Samson CM40


Accessory Type


Full color LCD display and LED indicators

Tone (manual) and Tuner (automatic) tuning modes

Built-in mic for precise tuning

Transposition setting

Real-time response for tuning accuracy

Pitch calibration ranges from A 430 to 450Hz.

Metronome ranges from 30 to 250 bpm

Ten Beat settings, each with nine Rhythm sub-settings

Dynamic speaker with volume control

1/4-inch input and output connectors

1/8-inch headphone jack

Built-in kickstand for better viewing

Powered by two AAA batteries (included)

Auto power-off function for maximum battery life

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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