A compact all-in-one tuner/metronome. Use separately or together. The tuner is accurate even in the extreme bass range and can be calibrated from A=410 to 480. The metronome features a large variety of rhythm patterns and a tap tempo feature.
*As of 11/13/12, KORG has upgraded this model. It is now called the TM50. Has all the features of the TM40, plus a few more.