BOSS TU-88

Triple-Function Tuner for Guitar and Bass

Small, cool, and feature-packed, BOSS’s new TU-88 is a must-have for guitar and bass players on the go. Available in black or white, it provides needle-accurate tuning, a metronome, and a headphone amp for private tuning, warm-ups, and effects verification.

Color Variation >>White

- Three tuning modes (Chromatic, Guitar, Bass), Flat Tuning function, and ACCU-PITCH verification with an audible beep
- Built-in headphone amp lets you tune, warm up, and check your effects in private
- Built-in metronome with selectable rhythmic patterns and volume control
- MIX IN allows jamming with an external music-playback device (iPod, etc.)

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Feature Packed

In addition to BOSS’s famous needle-accurate tuning, the TU-88 has lots of great extras onboard. A built-in metronome with selectable rhythms and tap-tempo is a great practice tool. The Mix Input lets you connect an iPod or other music-playback device for play along practice and jamming.

Private Monitoring

With the TU-88’s built-in headphone amp, you can plug in a set of headphones and tune in complete privacy. It’s also a great way to warm up before a show, and to verify your effects chain through headphones before letting loose through your amp.

Setup Example: Jam Along with Audio Players, PC/Mac

Tuning Range: E0 (20.6 Hz) - C8 (4,186.0 Hz)
Reference Pitch: A4 (435- 446 Hz)
Tuning Accuracy: ± 1 cent
Power Supply: Dry battery 6F22/6LR61 (9 V) type, AC adaptor DC 9V (PSA series; optional)
Current Draw: 30 mA
Expected battery life under continuous use (carbon): Approximately 8 hours
*This figure will vary depending on the actual conditions of use.
Accessories: Dry battery 6F22 (9 V) type (carbon), Owner’s Manual, Leaflet (“USING THE UNIT SAFELY” and “IMPORTANT NOTES”), Information