The New World-Standard Tuner Has Arrived

The world’s top-selling stage tuner, the BOSS TU-2, evolves and improves with the debut of the new TU-3. Housed in a tank-tough BOSS stompbox body, the TU-3 features a smooth 21-segment LED meter with a High-Brightness mode that cuts through the harshest outdoor glare. Choose between Chromatic or Guitar/Bass tuning modes, and enjoy visual pinpoint tuning verification with the Accu-Pitch Sign function. The TU-3 incorporates a convenient Note Name Indicator that can display notes of 7-string guitars and 6-string basses, while the Flat-Tuning mode can support up to six half-steps. It’s the new-standard tuner that no guitarist or bass player should be without!

FEATURES

• 21-Segment LED Meter with Brightness Control
• High-Brightness Mode enhances meter visibility outdoors>
• Accurate to +/- One Cent
• Accu-Pitch Sign Function provides visual verification when tuning is complete.
• Chromatic and Guitar/Bass Mode (tune by string number, with support for 7-string guitars and 6-string basses)
• Flat Tuning is supported with Guitar Flat Mode, which allows for “drop” tunings up to six semitones below standard pitch.
• Tuner Automatically Mutes when the tuner is on.
• Supplies Power for up to seven BOSS compact effect pedals.
• Five-Year Warranty from BOSS

SPECIFICATIONS

• Tuning Range: C0 (16.35 Hz)--C8 (4,186 Hz)
• Reference Pitch: A4 = 436--445 Hz (1 Hz step)
• Tuning Accuracy: +/- 1 cent
• Modes: Chromatic, Chromatic Flat x2, Guitar, Guitar Flat x2, Bass, Bass Flat x3
• Display Mode: Cent Mode, Stream Mode
• Power Supply
  Carbon-Zinc Battery (included)(9V, 6F22) or Alkaline Battery (9V, 6LR61)
  9V Center Negative AC Adaptor (sold separately)
• Bypass: Buffered Bypass
• Controls: Pedal Switch, MODE Button, STREAM/CENT Button
• Nominal Input Level: -20 dBu
• Input Impedance: 1 M ohm
• Nominal Output Level: -20 dBu
• Output Impedance: 1 k ohm
• Recommended Load Impedance: 10 k ohms or greater
• Indicator: CHECK indicator (serves also as battery check indicator)
• Connectors: INPUT Jack, OUTPUT Jack, BYPASS Jack, DC IN Jack, DC OUT Jack
• Current Draw: 20 mA (DC 9 V), 80 mA (DC 9 V, when High Brightness mode is on)
• Expected Battery Life Under Continuous Use
  Carbon: Approx. 5 hours
  Alkaline: Approx. 21 hours
  *These figures will vary depending on the actual conditions of use.
• Accessories
  Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTE," and "Information")
  Carbon-Zinc Battery (included)(9V, 6F22)
• Options (sold separately)
  9V Center Negative AC adaptor: PSA series (not included)
  Parallel DC cord: PCS-20A(DC Plug x8)(not included)