The Korg CA40 is a good quality general purpose chromatic tuner. It’s battery powered (AAA battery included) and has an input for an electric instrument, like a guitar or bass on a 1/4″ jack, but also has a mic for other acoustic instruments, like violin or cello. As it is chromatic, it will tune to any note, sharp or flat.
A compact chromatic tuner, ideal for use with brass band or orchestra.
Larger and more easily readable high-precision lcd needle-style meter.
Wide detection range from a0~c8.
Calibration function that accommodates a variety of concert pitches.
Sound out can produce a reference tone from the internal speaker.