TU-3S Chromatic Tuner
A compact, always-on chromatic tuner delivering the same pro-level accuracy as the TU‑3—sans footswitch, perfect for space-efficient pedalboards.
The BOSS TU-3S is a highly respected chromatic tuner, well-known among players for its consistent performance and durable design. This compact tuner delivers the same industry-standard functionality as the original TU-3 but in a more pedalboard-friendly form.
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