Core ET40 Clip-On Tuner - Violin/Viola/Cello/Bass

The Core ET40 Clip Tuner is a compact, lightweight tuning solution designed for string players who need fast, accurate results. With a 20 ms response time and ±1 cent precision, it delivers reliable tuning even in challenging environments.

The ET40 supports violin, viola, cello, and bass modes, with a tuning range from A to C and adjustable A4 calibration from 430–450 Hz. Flat and double-flat tuning options provide added flexibility for orchestral and ensemble settings.

Small enough to stay unobtrusive on your instrument, the Core ET40 runs on a single CR2032 battery and offers dependable performance in a simple, easy-to-use clip-on design.

Specifications:

• Weight: 28 g
• Dimensions: 63 × 17 × 61 mm
• Power: 3V CR2032 battery (included)
• Response Time: 20 ms
• Precision: ±1 cent
• Tuning Range: A–C
• A4 Calibration: 430–450 Hz
• Tuning Modes: Violin, Viola, Cello, Bass
• Flat Tuning: Flat & Double Flat