The world’s best selling tuner - it’s rugged, easy to use and has a bright LED display. You can either use it to mute your sound whilst tuning, or not, and it has a variety of modes allows different tunings, such a tone flat. The wide tuning range means it is good for both guitarists and bassists. The newer TU-3 offers greater accuracy and an improved display that’s easier to read in bright sunlight, as well as a wider note recognition to cover 7-string guitars and 6-string basses.