Stay in tune with this Roadie Bass automatic guitar tuner. Featuring advanced audio algorithms and a motorized winder, this tuner detects out-of-tune strings and automatically adjusts pegs to achieve perfect intonation. This Roadie Bass automatic guitar tuner offers over 40 preset alternate tunings that let you experiment with various sounds.

• Tunes various stringed instruments: Including most guitars, bass instruments, ukuleles, and violins for wide-ranging use.
• Tune fast: Fine-tune your guitar, or completely change tuning in seconds.
• Never mind noise: Get the same quality and accuracy tuning in noisy environments with Roadie's vibration sensor (instead of a microphone).
• Automatic winding feature: Helps restring quickly and easily. The motor rotates at three speeds, the fastest of which is 40 rpm.
• App or standalone use: Roadie does not require a mobile phone to work, allowing you to tune wherever you are. The free Roadie Tuner app gives you access to more advanced features.