Thank you for viewing. Boss TU-70 Guitar & Bass Auto Tuner A tuner for guitar and bass with auto-tuning function and good visibility with an LCD display. - Model Name: TU-70 - Type: Guitar & Bass Tuner - Functions: Auto-tuning, manual mode, pitch adjustment - Power: Battery operated - Display: LCD display - Microphone: Built-in microphone ◎ Inspected and tested for operation. No problems. ◎ Discontinued product [Product Introduction] High-resolution LCD meter with the first LED backlight Supports open tuning. Fretboard icons for improved usability Equipped with auto power off function and memory backup function The TU-70 follows the ease of use unique to the TU series. You can switch between AUTO/MANUAL modes, and the standard pitch can be selected from a range of 435 to 446Hz. The tuning function supports half-step down/one-step down tuning, which is often used in rock music. Furthermore, it also supports four types of open tunings: D/E/G/A, which are used in blues and country music. The display also has fretboard icons that clearly show the strings being tuned, along with the GUITAR/BASS mode and pitch. The fretboard icons are normally displayed with 4 strings in BASS mode, but they also support 6-string basses, and HI-C and LO-B are displayed as needed.