A sleek, stylish chromatic tuner, the Boss TU12BW is designed exclusively for brass and wind instruments. Tune quickly and accurately using the internal microphone or the external clip-on contact mic (included). ACCU-PITCH verifies tuning with an audible beep. The included case can be attached to a music stand for added convenience.

Specs

• Tuning Range: EO (20.6 Hz) - C8 (4,186.0 Hz)
• Reference Pitch: A4 (438-445 Hz)
• Tuning Accuracy: +- 1 cent
• Power Supply: Dry battery R03 (carbon) or LR03 (alkaline); (AAA) type x 2; DC 3 V, AC adaptor DC 9V (PSA series; optional PSA120S)
• Current Draw: 12 mA
• Expected battery life under continuous use (carbon): Approximately 15 hours.These figures vary depending on the actual conditions of use.
• Accessories: Dry battery (R03 (AAA) type) x 2 (carbon), piezo microphone, Owner’s Manual, Soft Case, Holder, Leaflet (USING THE UNIT SAFELY and IMPORTANT NOTES), Information
• Dimensions (WxDxH): 5 13/16 x 2 1/8 x 1 inches, 148 x 54 x 24 mm
• Weight: 0 lbs. 8 oz., 0.2 kg