Achieve perfect pitch every time with the CORE-ET40, a versatile, full-featured chromatic clip-on tuner designed for musicians who demand reliability. Whether you play violin, viola, cello, upright bass, or guitar, this tuner provides the precision you need to sound your best.

Engineered with a rapid 20ms response time and +/- 1 cent precision, the CORE-ET40 ensures you spend less time tuning and more time playing. Its ultra-lightweight, 28-gram design attaches securely to pegboxes or bridges without weighing down your instrument.

Key Features

• Universal Compatibility: Chromatic tuning for a wide range of instruments, including violin, viola, cello, bass, and guitar.

• High-Speed Accuracy: Experience near-instant tuning with a 20ms response time and professional +/- 1 cent accuracy.

• Adjustable Calibration: Features a wide tuning range (A0–C8) and an adjustable A4 range from 430Hz to 450Hz.

• Flat Tuning Options: Includes 'b' and 'bb' flat tuning settings for flexible performance needs.

• Musician-Friendly Design: Compact, lightweight (28g), and easy to attach to pegboxes or bridges.

• Power Efficient: Equipped with auto-power-off and automatic setting memory, powered by a standard 3V CR2032 lithium battery (included).

Technical Specifications

• Tuning Range: A0 (27.5Hz) – C8 (4,186.0Hz)

• A4 Calibration: 430Hz – 450Hz

• Precision: +/- 1 cent

• Response Time: 20ms

• Power: 3V CR2032 Lithium Battery (Included)

• Weight: 28 grams