The Boss TU-3 is one of the most popular and highly regarded pedal tuners of all time. Housed in sturdy casing, the TU-3 features an LED meter with high brightness for easy readability. With chromatic, bass and guitar tuning modes, the Boss pedal tuner is accurate and easy to use. Just the tuner you need when you're on stage. Powered by a 9v battery or a 9v power supply.
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