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 stomp box body, the TU-3 stage tuner 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 stage tuner 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!
- 21-segment LED meter with brightness control
- High-Brightness mode enhances meter visibility outdoors
- 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
- Signal is automatically muted when the tuner is on
- Supplies power for up to 7 BOSS compact effect pedals
- Tech Specs
Manufacturer Boss Specification
Tuning Range C0 (16.35Hz)–C8 (4186Hz)
Reference Pitch A4=436–445 Hz (1Hz step)
Tuning Accuracy ±1 cent
Power Supply DC 9 V: Dry battery 6F22 (9 V) type (carbon), Dry battery 6LR61 (9 V) type (alkaline), AC Adaptor (PSA series: optional)
Current Draw 30 mA (DC 9 V), 85 mA (DC 9 V, when High Brightness mode is on)
Accessories Owner’s Manual, Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”), Dry battery/9 V type (6F22)
Options AC adaptor: PSA series, Parallel DC cord: PCS-20A
Width 73 mm (2-7/8 inches)
Depth 129 mm (5-1/8 inches)
Height 59 mm (2-3/8 inches)
Weight 390g (0 lbs. 14 oz.)
Product Condition No
- Delivery & Returns
We aim to ship all orders received before 2:00PM on the same day. Orders received later in the day or at the weekend will ship on the next working day. All orders over £100 ship with free next working day delivery with a one hour delivery window.
Orders over £25 but below £100 qualify for free shipping which generally takes 2-3 days to arrive or can be upgraded to express for a small charge. Under £25 shipping is a flat rate £2 and will ship by Royal Mail, again with an an option to upgrade to express next day shipping for a small charge.
Alternatively all orders can be collected from our Derby store by choosing Click & Collect at the checkout. Please note these details are for UK delivery only, non-mainland orders may take longer and/or incur an additional charge, for international orders please contact us.